{"title":"All Chemistry","description":"","products":[{"product_id":"256_acids-and-bases-week-16-supplies","title":"Acids and Bases","description":"\u003ch3 style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003e\n\u003cspan color=\"#0000ff\" style=\"color: #085294;\" data-mce-style=\"color: #085294;\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eLearn about acids, bases, and gas production with this CC Cycle 3 Week 16 supply set!\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003eCornerstone's Acids and Bases come with 5 of the following for your class so that students can work in pairs:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003e6-oz plastic bottles\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eEffervescent Tablets\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eBalloons\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e*This lesson requires baking soda and vinegar which are not included in this purchase\u003c\/span\u003e\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40075526799560,"sku":"","price":6.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_f1b9d235-a495-4267-aca8-8a038a0a91d4.jpg?v=1661967896"},{"product_id":"257_methylene-blue-30ml-1-stain","title":"Methylene Blue","description":"\u003cp data-start=\"240\" data-end=\"303\"\u003e\u003cstrong data-start=\"240\" data-end=\"303\"\u003e30 mL dropper bottle of 1% Methylene Blue aqueous solution.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"305\" data-end=\"904\"\u003eEnhance biological and microscopic analysis with our methylene blue solution, prepared at a 1% concentration for reliable staining and visualization. This classic biological stain is widely used in cell biology, microbiology, and histology to highlight cellular structures, particularly nuclei and nucleic acids. Its strong affinity for acidic components makes it ideal for examining cell morphology, identifying microorganisms, and conducting educational microscopy experiments. The 30 mL dropper bottle allows for precise application and controlled dispensing in laboratory and classroom settings.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemical formula     \u003c\/td\u003e\n\u003ctd\u003eC₁₆H₁₈ClN₃S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormula weight\u003c\/td\u003e\n\u003ctd\u003e319.85 g\/mol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAS number\u003c\/td\u003e\n\u003ctd\u003e61-73-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharacteristics\u003c\/td\u003e\n\u003ctd\u003eDeep blue dye solution; stains biological material\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical state\u003c\/td\u003e\n\u003ctd\u003eLiquid aqueous solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage code\u003c\/td\u003e\n\u003ctd\u003eGreen — general storage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-start=\"305\" data-end=\"904\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"1315\" data-end=\"1332\"\u003e\u003cstrong data-start=\"1315\" data-end=\"1332\"\u003eDid You Know?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1334\" data-end=\"1869\"\u003eMethylene blue has been used in biological research for over a century and was one of the first synthetic dyes applied to medical and scientific studies. Its ability to bind selectively to DNA and RNA makes cell nuclei stand out clearly under a microscope, helping students and researchers distinguish living structures with ease. Beyond the lab, methylene blue has played roles in medical diagnostics, neuroscience research, and even early photographic processes.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40075526865096,"sku":"A00033","price":4.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_3f40b8af-b70d-4901-9772-0132dc3a286d.jpg?v=1661955362"},{"product_id":"260_graduated-cylinder-50-ml","title":"50ml Plastic Graduated Cylinder","description":"\u003cp data-start=\"0\" data-end=\"68\"\u003e\u003cstrong\u003e50 mL Plastic Graduated Cylinder for Science Labs | 1 mL Graduations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"70\" data-end=\"483\"\u003eThis 50 mL plastic graduated cylinder is a precise and durable tool for measuring liquid volumes in science experiments and classroom labs. Designed for student use, it features clearly marked 1 mL graduations, allowing for accurate readings during chemistry and biology activities. The lightweight plastic construction makes it easy to handle while reducing the risk of breakage in busy lab environments.\u003c\/p\u003e\n\u003cp data-start=\"485\" data-end=\"696\"\u003e\u003cstrong\u003eGraduated Cylinder Specifications:\u003c\/strong\u003e\u003cbr data-start=\"519\" data-end=\"522\"\u003e• Capacity: 50 mL\u003cbr data-start=\"539\" data-end=\"542\"\u003e• Graduations: 1 mL increments\u003cbr data-start=\"572\" data-end=\"575\"\u003e• Durable plastic construction\u003cbr data-start=\"605\" data-end=\"608\" data-is-only-node=\"\"\u003e• Narrow cylinder design for accurate measurement\u003cbr data-start=\"657\" data-end=\"660\"\u003e• Stable base for secure placement\u003c\/p\u003e\n\u003cp data-start=\"698\" data-end=\"968\"\u003eThis graduated cylinder is ideal for experiments requiring careful measurement of liquids, including mixing solutions, density investigations, and volume comparisons. Its clear markings and stable design help students develop confidence in proper measurement techniques.\u003c\/p\u003e\n\u003cp data-start=\"970\" data-end=\"1128\"\u003e\u003cstrong data-start=\"970\" data-end=\"987\"\u003eDid You Know?\u003c\/strong\u003e Graduated cylinders are more accurate than beakers for measuring liquids because their narrow shape allows for more precise volume readings.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40075527651528,"sku":"A00124","price":2.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/50mlcylinder.jpg?v=1742834424"},{"product_id":"192_masters-class-chemistry-kit","title":"Master's Class Chemistry Kit","description":"\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"3fa062ed-7941-46c8-a65f-652ca46f5b22\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"207\" data-end=\"271\"\u003e\u003cstrong data-start=\"207\" data-end=\"271\"\u003eHigh School Chemistry Supply Kit for Master Books Curriculum\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"273\" data-end=\"689\"\u003eThis comprehensive chemistry supply kit provides the non-household laboratory materials required to complete the experiments in \u003cstrong data-start=\"405\" data-end=\"446\"\u003eMaster Books’ \u003cem data-start=\"421\" data-end=\"444\"\u003eHigh School Chemistry\u003c\/em\u003e\u003c\/strong\u003e by \u003cstrong data-start=\"450\" data-end=\"471\"\u003eDr. Dennis Englin\u003c\/strong\u003e. Carefully assembled for homeschool families, this kit removes the guesswork from lab preparation and ensures students have access to proper tools and chemicals for a successful high school–level chemistry experience.\u003c\/p\u003e\n\u003cp data-start=\"691\" data-end=\"1086\"\u003eDesigned to support rigorous coursework, the kit includes professional-quality labware and measured chemicals needed for investigations involving chemical reactions, stoichiometry, solutions, electrochemistry, and physical properties of matter. It is well-suited for independent homeschool students, co-ops, and structured home classrooms seeking a reliable, curriculum-aligned lab solution.\u003c\/p\u003e\n\u003cp data-start=\"1088\" data-end=\"1306\"\u003e\u003cstrong data-start=\"1088\" data-end=\"1106\"\u003eShipping Note:\u003c\/strong\u003e\u003cbr data-start=\"1106\" data-end=\"1109\"\u003eDue to the chemicals included, this kit \u003cstrong data-start=\"1149\" data-end=\"1188\"\u003emust ship via ground transport only\u003c\/strong\u003e. Additional shipping notes for Alaska, Hawaii, and locations outside the contiguous United States are provided below.\u003c\/p\u003e\n\u003ch3 data-start=\"1308\" data-end=\"1320\"\u003eContents\u003c\/h3\u003e\n\u003cp data-start=\"1322\" data-end=\"1334\"\u003e\u003cstrong data-start=\"1322\" data-end=\"1334\"\u003eLabware:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1335\" data-end=\"2151\"\u003e\n\u003cli data-start=\"1335\" data-end=\"1369\"\u003e\n\u003cp data-start=\"1337\" data-end=\"1369\"\u003e10 mL glass graduated cylinder\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1370\" data-end=\"1400\"\u003e\n\u003cp data-start=\"1372\" data-end=\"1400\"\u003eThree 100 mL glass beakers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1401\" data-end=\"1424\"\u003e\n\u003cp data-start=\"1403\" data-end=\"1424\"\u003e250 mL glass beaker\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1425\" data-end=\"1452\"\u003e\n\u003cp data-start=\"1427\" data-end=\"1452\"\u003e250 mL Erlenmeyer flask\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1453\" data-end=\"1489\"\u003e\n\u003cp data-start=\"1455\" data-end=\"1489\"\u003e50 mL burette with PTFE stopcock\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1490\" data-end=\"1507\"\u003e\n\u003cp data-start=\"1492\" data-end=\"1507\"\u003eBurette clamp\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1508\" data-end=\"1525\"\u003e\n\u003cp data-start=\"1510\" data-end=\"1525\"\u003eButane burner\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1526\" data-end=\"1567\"\u003e\n\u003cp data-start=\"1528\" data-end=\"1567\"\u003eSupport stand (4\" x 6\" base, 18\" rod)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1568\" data-end=\"1602\"\u003e\n\u003cp data-start=\"1570\" data-end=\"1602\"\u003eWire gauze with ceramic center\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1603\" data-end=\"1634\"\u003e\n\u003cp data-start=\"1605\" data-end=\"1634\"\u003eTest tube rack with 6 holes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1635\" data-end=\"1668\"\u003e\n\u003cp data-start=\"1637\" data-end=\"1668\"\u003eSix 16 mm x 150 mm test tubes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1669\" data-end=\"1694\"\u003e\n\u003cp data-start=\"1671\" data-end=\"1694\"\u003eSmall test tube brush\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1695\" data-end=\"1730\"\u003e\n\u003cp data-start=\"1697\" data-end=\"1730\"\u003e10-pack of 57 mm weighing boats\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1731\" data-end=\"1764\"\u003e\n\u003cp data-start=\"1733\" data-end=\"1764\"\u003e10-pack of 11 cm filter paper\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1765\" data-end=\"1791\"\u003e\n\u003cp data-start=\"1767\" data-end=\"1791\"\u003e10\" glass stirring rod\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1792\" data-end=\"1812\"\u003e\n\u003cp data-start=\"1794\" data-end=\"1812\"\u003eLaboratory scoop\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1813\" data-end=\"1838\"\u003e\n\u003cp data-start=\"1815\" data-end=\"1838\"\u003e1 mL disposable pipet\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1839\" data-end=\"1870\"\u003e\n\u003cp data-start=\"1841\" data-end=\"1870\"\u003e2-pack alligator clip leads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1871\" data-end=\"1906\"\u003e\n\u003cp data-start=\"1873\" data-end=\"1906\"\u003eCopper and zinc electrodes (4\")\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1907\" data-end=\"1947\"\u003e\n\u003cp data-start=\"1909\" data-end=\"1947\"\u003e90 mm x 15 mm polystyrene petri dish\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1948\" data-end=\"1981\"\u003e\n\u003cp data-start=\"1950\" data-end=\"1981\"\u003e80-pack pH paper (1–14 range)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1982\" data-end=\"2012\"\u003e\n\u003cp data-start=\"1984\" data-end=\"2012\"\u003eDeluxe molecular model set\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2013\" data-end=\"2035\"\u003e\n\u003cp data-start=\"2015\" data-end=\"2035\"\u003eDigital multimeter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2036\" data-end=\"2084\"\u003e\n\u003cp data-start=\"2038\" data-end=\"2084\"\u003e500 g digital pocket scale (±0.1 g accuracy)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2085\" data-end=\"2124\"\u003e\n\u003cp data-start=\"2087\" data-end=\"2124\"\u003eSpectroscope with 10 testing sticks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2125\" data-end=\"2151\"\u003e\n\u003cp data-start=\"2127\" data-end=\"2151\"\u003eRapiTest soil test kit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2153\" data-end=\"2167\"\u003e\u003cstrong data-start=\"2153\" data-end=\"2167\"\u003eChemicals:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2168\" data-end=\"2392\"\u003e\n\u003cli data-start=\"2168\" data-end=\"2195\"\u003e\n\u003cp data-start=\"2170\" data-end=\"2195\"\u003eBarium hydroxide (10 g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2196\" data-end=\"2250\"\u003e\n\u003cp data-start=\"2198\" data-end=\"2250\"\u003eIodine (Lugol’s) biological stain solution (30 mL)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2251\" data-end=\"2278\"\u003e\n\u003cp data-start=\"2253\" data-end=\"2278\"\u003eCalcium chloride (30 g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2279\" data-end=\"2306\"\u003e\n\u003cp data-start=\"2281\" data-end=\"2306\"\u003eLithium chloride (30 g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2307\" data-end=\"2336\"\u003e\n\u003cp data-start=\"2309\" data-end=\"2336\"\u003ePotassium chloride (30 g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2337\" data-end=\"2362\"\u003e\n\u003cp data-start=\"2339\" data-end=\"2362\"\u003eSodium acetate (30 g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2363\" data-end=\"2392\"\u003e\n\u003cp data-start=\"2365\" data-end=\"2392\"\u003eStrontium chloride (30 g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2394\" data-end=\"2432\"\u003e\u003cstrong data-start=\"2394\" data-end=\"2430\"\u003eAdditional Shipping Information:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2433\" data-end=\"2779\"\u003e\n\u003cli data-start=\"2433\" data-end=\"2532\"\u003e\n\u003cp data-start=\"2435\" data-end=\"2532\"\u003e\u003cem data-start=\"2435\" data-end=\"2454\"\u003eAlaska residents:\u003c\/em\u003e Please email \u003cstrong data-start=\"2468\" data-end=\"2501\"\u003e\u003ca data-start=\"2470\" data-end=\"2499\" class=\"decorated-link cursor-pointer\" rel=\"noopener\"\u003einfo@cornerstone-edsupply.com \u003c\/a\u003e\u003c\/strong\u003eto determine shipping costs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2533\" data-end=\"2779\"\u003e\n\u003cp data-start=\"2535\" data-end=\"2779\"\u003e\u003cem data-start=\"2535\" data-end=\"2585\"\u003eHawaii residents and locations outside the U.S.:\u003c\/em\u003e Some chemicals cannot be shipped to your destination. A modified kit containing only labware and shippable chemicals may be available—please email \u003cstrong data-start=\"2733\" data-end=\"2766\"\u003e\u003ca data-start=\"2735\" data-end=\"2764\" class=\"decorated-link cursor-pointer\" rel=\"noopener\"\u003einfo@cornerstone-edsupply.com \u003c\/a\u003e\u003c\/strong\u003efor details.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2781\" data-end=\"2982\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eThis chemistry supply kit is an excellent choice for homeschool parents seeking a \u003cstrong data-start=\"2863\" data-end=\"2909\"\u003ecomplete, curriculum-specific lab solution\u003c\/strong\u003e that supports academic rigor while simplifying preparation and sourcing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40075530141896,"sku":"A00530","price":249.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_bb28474e-9672-418c-88d4-71a80d52915a.jpg?v=1664981845"},{"product_id":"131_advanced-student-microscope","title":"Advanced Student Microscope","description":"\u003cp data-start=\"0\" data-end=\"98\"\u003e\u003cstrong data-start=\"0\" data-end=\"98\"\u003e40x–400x Compound Biological Microscope for Junior \u0026amp; Senior High\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"100\" data-end=\"497\"\u003eThe Advanced Student Microscope is a 40x–400x compound biological microscope designed to deliver clarity, durability, and precision for serious middle school and high school laboratory science. Ideal for homeschool biology labs, co-ops, and private school classrooms, this microscope provides the optical performance needed for detailed specimen study and hands-on life science investigations.\u003c\/p\u003e\n\u003cp data-start=\"499\" data-end=\"888\"\u003eBuilt with all-metal body construction, this unit is engineered for long-term educational use. The monocular head features a 45º ergonomic incline, 10x wide-field ocular lens, and 350º rotation for comfortable and flexible viewing. A triple-revolving nosepiece includes achromatic \u003cstrong\u003e4x, 10x, and 40x objective lenses\u003c\/strong\u003e for sharp, high-contrast magnification across standard biology ranges.\u003c\/p\u003e\n\u003cp data-start=\"890\" data-end=\"911\"\u003e\u003cstrong\u003eKey features include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"913\" data-end=\"1340\"\u003e\n\u003cli data-start=\"913\" data-end=\"977\"\u003e\n\u003cp data-start=\"915\" data-end=\"977\"\u003e40x–400x total magnification for cell and tissue observation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"978\" data-end=\"1055\"\u003e\n\u003cp data-start=\"980\" data-end=\"1055\"\u003eDual-layer mechanical stage with slide clip for precise specimen movement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1056\" data-end=\"1126\"\u003e\n\u003cp data-start=\"1058\" data-end=\"1126\"\u003eAbbe condenser (0.65 N.A.) for improved contrast and light control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1127\" data-end=\"1199\"\u003e\n\u003cp data-start=\"1129\" data-end=\"1199\"\u003eLong-lasting LED transmitted illumination with adjustable brightness\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1200\" data-end=\"1256\"\u003e\n\u003cp data-start=\"1202\" data-end=\"1256\"\u003eCoaxial coarse and fine focus knobs with safety stop\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1257\" data-end=\"1340\"\u003e\n\u003cp data-start=\"1259\" data-end=\"1340\"\u003eDual power options: plug-in adapter (included) or 3 AA batteries (not included)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1342\" data-end=\"1546\"\u003eThis advanced compound microscope supports detailed study of plant cells, animal tissues, microorganisms, and prepared biology slides, making it a dependable addition to any structured science curriculum.\u003cstrong data-start=\"0\" data-end=\"98\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1609\" data-end=\"1811\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eAdd a Set of \u003ca href=\"https:\/\/cornerstone-edsupply.com\/products\/133_cornerstone-biology-25-slide-set?_pos=1\u0026amp;_sid=2c7084b1c\u0026amp;_ss=r\" title=\"Biology Microscope Slide Set\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePrepared Biology Slides\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e or \u003cstrong\u003e\u003ca href=\"https:\/\/cornerstone-edsupply.com\/products\/221_blank-slides-and-coverslips?_pos=2\u0026amp;_sid=2c7084b1c\u0026amp;_ss=r\" title=\"Blank Slides and Coverslips\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eBlank Slides and Coverslips\u003c\/span\u003e\u003c\/a\u003e \u003c\/strong\u003eto start exploring immediately! Pair with quality slides to begin hands-on microscope labs and specimen investigations.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41659766407368,"sku":"A00065","price":260.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_6e8727ea-f15a-4e8d-87eb-c61ef258ef55.jpg?v=1656010064"},{"product_id":"148_metal-thermometer","title":"Metal Immersion Thermometer","description":"\u003cp data-start=\"156\" data-end=\"230\"\u003e\u003cstrong data-start=\"156\" data-end=\"230\"\u003eMetal-Backed Immersion Thermometer – Dual Scale Laboratory Thermometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"232\" data-end=\"546\"\u003eThese metal-backed immersion thermometers are durable, easy-to-read tools designed for measuring liquid temperature during science experiments and hands-on activities. Suitable for direct immersion, they provide reliable temperature readings for classroom labs, demonstrations, and educational experiments.\u003c\/p\u003e\n\u003cp data-start=\"548\" data-end=\"909\"\u003eEach thermometer features \u003cstrong data-start=\"574\" data-end=\"601\"\u003edual temperature scales\u003c\/strong\u003e, with\u003cstrong\u003e \u003c\/strong\u003e1-degree Celsius increments and 2-degree Fahrenheit increments, allowing students to practice reading and comparing both units of measurement. The wide temperature range—from\u003cstrong\u003e \u003c\/strong\u003e-40°C (-40°F) to 110°C (230°F)—makes these thermometers versatile enough for a variety of experimental conditions.\u003c\/p\u003e\n\u003cp data-start=\"911\" data-end=\"1084\"\u003ePerfect for \u003cstrong data-start=\"927\" data-end=\"1006\"\u003echemistry labs, environmental\u003c\/strong\u003e \u003cstrong\u003escience \u003c\/strong\u003e\u003cstrong data-start=\"927\" data-end=\"1006\"\u003eactivities, and general classroom use\u003c\/strong\u003e, these thermometers are a dependable choice for educators and students alike.\u003c\/p\u003e\n\u003cp data-start=\"1086\" data-end=\"1208\"\u003e\u003cstrong data-start=\"1086\" data-end=\"1124\"\u003eClassical Conversations Directors:\u003c\/strong\u003e Use two thermometers for the Cycle 1, Week 3 “Ground Temperature” activity.\u003c\/p\u003e\n\u003cp data-start=\"1333\" data-end=\"1346\"\u003eFeatures:\u003c\/p\u003e\n\u003cul data-start=\"1347\" data-end=\"1597\"\u003e\n\u003cli data-start=\"1347\" data-end=\"1382\"\u003e\n\u003cp data-start=\"1349\" data-end=\"1382\"\u003eDesigned for liquid immersion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1383\" data-end=\"1422\"\u003e\n\u003cp data-start=\"1385\" data-end=\"1422\"\u003eDurable metal-backed construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1423\" data-end=\"1463\"\u003e\n\u003cp data-start=\"1425\" data-end=\"1463\"\u003eDual scale: Celsius and Fahrenheit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1464\" data-end=\"1497\"\u003e\n\u003cp data-start=\"1466\" data-end=\"1497\"\u003eScale increments: 1°C \/ 2°F\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1498\" data-end=\"1554\"\u003e\n\u003cp data-start=\"1500\" data-end=\"1554\"\u003eTemperature range: -40°C to 110°C (-40°F to 230°F)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1555\" data-end=\"1597\"\u003e\n\u003cp data-start=\"1557\" data-end=\"1597\"\u003eIdeal for educational and laboratory use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eImportant Shipping Note:\u003cbr data-start=\"1238\" data-end=\"1241\"\u003eThis item cannot be shipped to Alaska, Hawaii, or locations outside the United States.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40075536924872,"sku":"","price":3.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_6c7277cb-1587-4040-92db-5ca5d9474d0d.jpg?v=1654020578"},{"product_id":"207_glass-beaker","title":"100 ml Glass Beaker","description":"\u003cp data-start=\"122\" data-end=\"178\"\u003e\u003cstrong data-start=\"122\" data-end=\"178\"\u003e100 mL Glass Beaker – Borosilicate Laboratory Beaker\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"180\" data-end=\"491\"\u003eThis \u003cstrong data-start=\"185\" data-end=\"208\"\u003e100 mL glass beaker\u003c\/strong\u003e is made from \u003cstrong data-start=\"222\" data-end=\"252\"\u003edurable borosilicate glass\u003c\/strong\u003e, making it ideal for a wide range of laboratory applications. Designed to withstand high temperatures and thermal shock, this beaker is suitable for \u003cstrong data-start=\"406\" data-end=\"423\"\u003eboiling water\u003c\/strong\u003e and can be safely used with an \u003cstrong data-start=\"455\" data-end=\"490\"\u003eopen flame or laboratory burner\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"493\" data-end=\"764\"\u003eThe beaker features \u003cstrong data-start=\"513\" data-end=\"542\"\u003e25 mL graduation markings\u003c\/strong\u003e that allow for approximate volume measurements, making it useful for solution preparation, heating liquids, and general laboratory work. An integrated pour spout ensures controlled, mess-free pouring during transfers.\u003c\/p\u003e\n\u003cp data-start=\"766\" data-end=\"972\"\u003eCommonly used in chemistry labs, science classrooms, and educational experiments, this borosilicate beaker is a dependable piece of essential laboratory glassware for students and instructors alike.\u003c\/p\u003e\n\u003cp data-start=\"974\" data-end=\"987\"\u003e\u003cstrong data-start=\"974\" data-end=\"987\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"988\" data-end=\"1169\"\u003e\n\u003cli data-start=\"988\" data-end=\"1010\"\u003e\n\u003cp data-start=\"990\" data-end=\"1010\"\u003eCapacity: 100 mL\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1011\" data-end=\"1045\"\u003e\n\u003cp data-start=\"1013\" data-end=\"1045\"\u003eMaterial: Borosilicate glass\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1046\" data-end=\"1077\"\u003e\n\u003cp data-start=\"1048\" data-end=\"1077\"\u003eHeat-resistant and flame-safe\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1078\" data-end=\"1120\"\u003e\n\u003cp data-start=\"1080\" data-end=\"1120\"\u003e25 mL graduations for easy reference\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1121\" data-end=\"1169\"\u003e\n\u003cp data-start=\"1123\" data-end=\"1169\"\u003eBuilt-in pour spout for controlled pouring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40075540168904,"sku":"","price":3.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_e03a65ad-f1d6-41ad-8756-2ad936272d62.jpg?v=1661284986"},{"product_id":"208_immersion-thermometer","title":"Immersion Thermometer","description":"\u003cp data-start=\"137\" data-end=\"204\"\u003e\u003cstrong data-start=\"137\" data-end=\"204\"\u003eImmersion Thermometer – Laboratory Temperature Measurement Tool\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"206\" data-end=\"529\"\u003eThis \u003cstrong data-start=\"211\" data-end=\"236\"\u003eimmersion thermometer\u003c\/strong\u003e is a dependable laboratory instrument designed for accurately measuring the temperature of liquids during experiments and demonstrations. Built for direct immersion, it allows users to monitor temperature changes clearly and consistently while solutions are being heated, cooled, or observed.\u003c\/p\u003e\n\u003cp data-start=\"531\" data-end=\"896\"\u003eIdeal for use in \u003cstrong data-start=\"548\" data-end=\"619\"\u003echemistry labs, biology experiments, and general science activities\u003c\/strong\u003e, this thermometer is well-suited for applications such as monitoring reactions, measuring heated liquids, and tracking temperature during solution preparation. Its clear scale allows for easy reading, helping students develop proper lab measurement techniques with confidence.\u003c\/p\u003e\n\u003cp data-start=\"898\" data-end=\"1088\"\u003eCommonly used in \u003cstrong data-start=\"915\" data-end=\"966\"\u003eeducational laboratories and classroom settings\u003c\/strong\u003e, this immersion thermometer is a simple yet essential tool for experiments where precise temperature observation matters.\u003c\/p\u003e\n\u003cp data-start=\"1090\" data-end=\"1103\"\u003e\u003cstrong data-start=\"1090\" data-end=\"1103\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1104\" data-end=\"1338\"\u003e\n\u003cli data-start=\"1104\" data-end=\"1146\"\u003e\n\u003cp data-start=\"1106\" data-end=\"1146\"\u003eDesigned for \u003cstrong data-start=\"1119\" data-end=\"1146\"\u003edirect liquid immersion\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1147\" data-end=\"1186\"\u003e\n\u003cp data-start=\"1149\" data-end=\"1186\"\u003eClear, easy-to-read temperature scale\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1187\" data-end=\"1238\"\u003e\n\u003cp data-start=\"1189\" data-end=\"1238\"\u003eSuitable for chemistry and general laboratory use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1239\" data-end=\"1287\"\u003e\n\u003cp data-start=\"1241\" data-end=\"1287\"\u003eIdeal for educational and student laboratories\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1288\" data-end=\"1338\"\u003e\n\u003cp data-start=\"1290\" data-end=\"1338\"\u003eReliable tool for monitoring liquid temperatures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40075540332744,"sku":"A00184","price":3.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_7cb3c998-e98d-489f-b376-787b9da64df2.jpg?v=1661955079"},{"product_id":"209_test-tube-rack","title":"Test Tube Rack","description":"\u003cp data-start=\"126\" data-end=\"200\"\u003e\u003cstrong data-start=\"126\" data-end=\"200\"\u003e6-Hole Test Tube Rack with Drying Pins – Polypropylene Laboratory Rack\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"202\" data-end=\"519\"\u003eThis \u003cstrong data-start=\"207\" data-end=\"232\"\u003e6-hole test tube rack\u003c\/strong\u003e is a versatile laboratory accessory designed for holding and drying test tubes during and after experiments. Made from durable polypropylene, the rack is lightweight, chemical-resistant, and easy to clean, making it ideal for repeated use in laboratory and educational settings.\u003c\/p\u003e\n\u003cp data-start=\"521\" data-end=\"887\"\u003eThe rack includes \u003cstrong data-start=\"539\" data-end=\"554\"\u003edrying pins\u003c\/strong\u003e for inverted drying of test tubes, helping prevent water spots and residue buildup. \u003cstrong data-start=\"639\" data-end=\"659\"\u003eTwo larger holes\u003c\/strong\u003e accommodate oversized test tubes, providing added flexibility when working with multiple tube sizes. Its compact design makes it especially well-suited for small lab groups, classroom activities, or at-home lab experiments.\u003c\/p\u003e\n\u003cp data-start=\"889\" data-end=\"1021\"\u003eReliable and easy to use, this test tube rack is a practical solution for organizing glassware and maintaining a tidy lab workspace.\u003c\/p\u003e\n\u003cp data-start=\"1023\" data-end=\"1036\"\u003e\u003cstrong data-start=\"1023\" data-end=\"1036\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1037\" data-end=\"1321\"\u003e\n\u003cli data-start=\"1037\" data-end=\"1081\"\u003e\n\u003cp data-start=\"1039\" data-end=\"1081\"\u003e6-hole test tube rack with drying pins\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1082\" data-end=\"1122\"\u003e\n\u003cp data-start=\"1084\" data-end=\"1122\"\u003eDurable polypropylene construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1123\" data-end=\"1167\"\u003e\n\u003cp data-start=\"1125\" data-end=\"1167\"\u003eDesigned for holding and drying test tubes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1168\" data-end=\"1215\"\u003e\n\u003cp data-start=\"1170\" data-end=\"1215\"\u003eTwo larger holes for oversized test tubes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1216\" data-end=\"1268\"\u003e\n\u003cp data-start=\"1218\" data-end=\"1268\"\u003eLightweight, chemical-resistant, and easy to clean\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1269\" data-end=\"1321\"\u003e\n\u003cp data-start=\"1271\" data-end=\"1321\"\u003eIdeal for small lab groups and home laboratory use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40075540365512,"sku":"A00053","price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_6c17c901-e20d-4b13-87be-42058560c852.jpg?v=1661368684"},{"product_id":"211_funnel","title":"Small Funnel","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-697baa0e-4ccc-832b-93ca-40255a501d5e-5\" data-testid=\"conversation-turn-208\" data-scroll-anchor=\"true\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"15f15b6d-e358-4733-8143-b0f6e9c35415\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"55\"\u003e\u003cstrong\u003eSmall Funnel for Science Labs | Plastic Transfer Funnel\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"57\" data-end=\"478\"\u003eThis small funnel is a simple and reliable tool for\u003cstrong\u003e \u003c\/strong\u003etransferring liquids and fine materials during science experiments and classroom activities. Its compact size makes it easy for students to handle while pouring liquids into narrow containers, helping reduce spills and improve accuracy. Designed for everyday lab use, it is ideal for one-afternoon science experiments to create a quick setup and cleanup.\u003c\/p\u003e\n\u003cp data-start=\"480\" data-end=\"715\"\u003e\u003cstrong\u003eFunnel Features:\u003c\/strong\u003e\u003cbr data-start=\"496\" data-end=\"499\"\u003e• Compact size for small-volume transfers\u003cbr data-start=\"540\" data-end=\"543\"\u003e• Durable plastic construction\u003cbr data-start=\"573\" data-end=\"576\"\u003e• Narrow stem for controlled pouring into containers\u003cbr data-start=\"628\" data-end=\"631\" data-is-only-node=\"\"\u003e• Lightweight and easy for student use\u003cbr data-start=\"669\" data-end=\"672\"\u003e• Ideal for classroom and homeschool labs\u003c\/p\u003e\n\u003cp data-start=\"717\" data-end=\"964\"\u003eThis funnel is commonly used in chemistry and biology experiments when transferring liquids between containers or adding substances to bottles with small openings. Its straightforward design makes it a dependable addition to any student lab setup.\u003c\/p\u003e\n\u003cp data-start=\"966\" data-end=\"1112\"\u003e\u003cstrong data-start=\"966\" data-end=\"983\"\u003eDid You Know?\u003c\/strong\u003e Funnels help guide liquids into containers without spilling, making measurements and transfers more accurate during experiments. \u003cem data-start=\"1114\" data-end=\"1172\" data-is-last-node=\"\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40075540562120,"sku":"A00051","price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_410e8f59-d2f8-44e3-bfb1-e64b7a0a72e5.jpg?v=1661967563"},{"product_id":"225_safety-goggles","title":"Lab Safety Goggles","description":"\u003cp\u003e\u003cstrong\u003eSafety Goggles for Chemistry \u0026amp; Biology Labs – Ventilated, Comfortable, Classroom‑Ready Eye Protection\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eKeep students and educators safe during every experiment with high‑quality laboratory safety goggles engineered for reliable eye protection in Chemistry, Biology, and general science labs. These durable goggles feature perforated side vents that improve airflow and help reduce fogging, ensuring clear visibility throughout hands‑on activities.\u003c\/p\u003e\n\u003cp\u003eThe adjustable elastic strap provides a secure, comfortable fit for all ages, making these goggles ideal for classrooms, homeschool science kits, STEM programs, and professional lab environments. Built from impact‑resistant materials, they offer dependable protection against splashes, debris, and chemical exposure.\u003cbr\u003ePerfect for schools, universities, and workplace training, these science safety goggles are available individually or in bulk.\u003c\/p\u003e\n\u003cp\u003eDesigned for comfort, durability, and maximum visibility, these goggles are a must‑have for any science experiment requiring proper eye protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiscounts available when you purchase 10 or more! \u003c\/strong\u003e\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Adult","offer_id":45113755795656,"sku":"A00054","price":4.5,"currency_code":"USD","in_stock":true},{"title":"Child (-$0.50)","offer_id":45113755828424,"sku":"A00055","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_9c51f24b-6c06-44e5-a7eb-d5513c13c763.jpg?v=1661972717"},{"product_id":"227_ph-paper-book","title":"pH Paper Book","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:f225e05c-0efb-45c3-9e35-a89749c3b8af-28\" data-testid=\"conversation-turn-58\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"bd7fe7f8-e1a1-4708-85ee-d3093471648a\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"42\" data-end=\"107\"\u003e\u003cstrong data-start=\"42\" data-end=\"107\"\u003epH Paper Book – 100 Universal Indicator Test Strips (pH 1–14)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"109\" data-end=\"430\"\u003eThe\u003cstrong\u003e \u003c\/strong\u003epH Paper Book includes 100 universal indicator test strips in a compact, easy-dispense booklet, making it a practical tool for homeschool chemistry labs and classroom science instruction. These pH test strips allow students to measure the \u003cstrong\u003eacidity or alkalinity \u003c\/strong\u003eof a wide range of solutions quickly and accurately.\u003c\/p\u003e\n\u003cp data-start=\"432\" data-end=\"731\"\u003eEach strip reacts immediately when dipped into a solution, producing a color change that corresponds to a pH value between 1 and 14. The included color comparison chart provides a clear, easy-to-read scale so students can match results and determine whether a substance is acidic, neutral, or basic.\u003c\/p\u003e\n\u003cp data-start=\"733\" data-end=\"749\"\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"751\" data-end=\"943\"\u003e\n\u003cli data-start=\"751\" data-end=\"782\"\u003e\n\u003cp data-start=\"753\" data-end=\"782\"\u003e100 pH test strips per book\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"783\" data-end=\"819\"\u003e\n\u003cp data-start=\"785\" data-end=\"819\"\u003eMeasures full pH scale from 1–14\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"820\" data-end=\"859\"\u003e\n\u003cp data-start=\"822\" data-end=\"859\"\u003eClear, color-coded comparison chart\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"860\" data-end=\"901\"\u003e\n\u003cp data-start=\"862\" data-end=\"901\"\u003eCompact booklet for organized storage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"902\" data-end=\"943\"\u003e\n\u003cp data-start=\"904\" data-end=\"943\"\u003eQuick and simple dip-and-read testing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"945\" data-end=\"1176\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eAn essential tool for structured chemistry curriculum, this universal indicator paper supports experiments involving acids, bases, chemical reactions, and solution testing in homeschool programs, co-ops, and classroom laboratories. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40075545215176,"sku":"A00132","price":1.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_32a48fcf-21dd-40e1-a985-831416283ddf.jpg?v=1661971573"},{"product_id":"228_test-tubes","title":"Glass Test Tubes - Small","description":"\u003cp data-start=\"157\" data-end=\"224\"\u003e\u003cstrong data-start=\"157\" data-end=\"224\"\u003eBorosilicate Glass Test Tubes – 12 × 100 mm (Sold Individually)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"226\" data-end=\"543\"\u003eThese \u003cstrong data-start=\"232\" data-end=\"265\"\u003eborosilicate glass test tubes\u003c\/strong\u003e are durable laboratory essentials designed for everyday use in science experiments and classroom settings. Made from \u003cstrong data-start=\"383\" data-end=\"418\"\u003ehigh-quality borosilicate glass\u003c\/strong\u003e, they provide excellent resistance to heat and chemicals, making them suitable for heating, mixing, and observing reactions.\u003c\/p\u003e\n\u003cp data-start=\"545\" data-end=\"776\"\u003eThe \u003cstrong data-start=\"549\" data-end=\"594\"\u003esmall test tube size measures 12 × 100 mm\u003c\/strong\u003e, making it ideal for small-volume experiments, sample observation, and introductory chemistry activities. Clear glass construction allows for easy visibility of contents during use.\u003c\/p\u003e\n\u003cp data-start=\"778\" data-end=\"983\"\u003eTest tubes are \u003cstrong data-start=\"793\" data-end=\"814\"\u003esold individually\u003c\/strong\u003e, allowing flexible ordering for labs and classrooms of any size. A \u003cstrong data-start=\"882\" data-end=\"944\"\u003evolume discount is available when purchasing 48 test tubes\u003c\/strong\u003e.\u003cbr data-start=\"945\" data-end=\"948\"\u003e\u003cstrong data-start=\"948\" data-end=\"983\"\u003eTest tube rack sold separately.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"985\" data-end=\"998\"\u003e\u003cstrong data-start=\"985\" data-end=\"998\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"999\" data-end=\"1212\"\u003e\n\u003cli data-start=\"999\" data-end=\"1033\"\u003e\n\u003cp data-start=\"1001\" data-end=\"1033\"\u003eMaterial: \u003cstrong data-start=\"1011\" data-end=\"1033\"\u003eBorosilicate glass\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1034\" data-end=\"1057\"\u003e\n\u003cp data-start=\"1036\" data-end=\"1057\"\u003eSize: \u003cstrong data-start=\"1042\" data-end=\"1057\"\u003e12 × 100 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1058\" data-end=\"1101\"\u003e\n\u003cp data-start=\"1060\" data-end=\"1101\"\u003eHeat and chemical-resistant construction\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1152\" data-end=\"1212\"\u003e\n\u003cp data-start=\"1154\" data-end=\"1212\"\u003eCompatible with standard test tube racks (sold separately)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDiscount available for purchases of 48 units or more. \u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41659755266248,"sku":"","price":0.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/smalltesttubes2_8ff72846-89e6-4cd9-9b77-c3bc0a5f6069.jpg?v=1645202194"},{"product_id":"229_molecular-model-kit","title":"Molecular Model Kit - 186 Pieces","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:f225e05c-0efb-45c3-9e35-a89749c3b8af-23\" data-testid=\"conversation-turn-48\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"5d346903-4b32-4ef1-a032-8fae6161a8c8\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:f225e05c-0efb-45c3-9e35-a89749c3b8af-36\" data-testid=\"conversation-turn-74\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"6f48af73-c3fd-47fc-a057-4d79f5c2c8f3\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"42\" data-end=\"111\"\u003e\u003cstrong data-start=\"42\" data-end=\"111\"\u003eIntroductory \u0026amp; Organic Chemistry Molecular Model Kit – 186 Pieces\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"113\" data-end=\"535\"\u003eThe Introductory \u0026amp; Organic Chemistry Molecular Model Kit provides a comprehensive, hands-on tool for teaching chemical bonding, molecular geometry, and structural formulas in homeschool and classroom chemistry labs. Designed for both introductory and organic chemistry studies, this kit allows students to construct detailed 3D models of molecules while reinforcing spatial reasoning and bonding concepts.\u003c\/p\u003e\n\u003cp data-start=\"537\" data-end=\"818\"\u003eWith multiple bond lengths included, students can accurately represent single, double, and extended bond structures while exploring molecular shape and arrangement. The varied connector sizes support realistic modeling of linear, trigonal, tetrahedral, and more complex geometries.\u003c\/p\u003e\n\u003cp data-start=\"820\" data-end=\"845\"\u003e\u003cstrong\u003eBond Components Included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"847\" data-end=\"983\"\u003e\n\u003cli data-start=\"847\" data-end=\"879\"\u003e\n\u003cp data-start=\"849\" data-end=\"879\"\u003e20 white short bonds (10 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"880\" data-end=\"913\"\u003e\n\u003cp data-start=\"882\" data-end=\"913\"\u003e40 white medium bonds (27 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"914\" data-end=\"946\"\u003e\n\u003cp data-start=\"916\" data-end=\"946\"\u003e16 purple long bonds (43 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"947\" data-end=\"983\"\u003e\n\u003cp data-start=\"949\" data-end=\"983\"\u003e12 clear very long bonds (63 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"947\" data-end=\"983\"\u003e\n\u003cp data-start=\"949\" data-end=\"983\"\u003e6 pink electron clouds \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003e6 blue electron clouds\u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"914\" data-end=\"946\"\u003e\n\u003cp data-start=\"916\" data-end=\"946\"\u003e6 yellow electron clouds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"947\" data-end=\"983\"\u003e\n\u003cp data-start=\"949\" data-end=\"983\"\u003eDisconnector tool \u003cspan style=\"font-size: 0.875rem;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"947\" data-end=\"983\"\u003eVarious elemental atoms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"985\" data-end=\"1008\"\u003eTotal pieces: 186 items\u003c\/p\u003e\n\u003cp data-start=\"985\" data-end=\"1008\"\u003eThis chemistry model set supports lessons in covalent bonding, molecular structure, carbon chains, functional groups, VSEPR theory, and spatial geometry. Students gain a stronger understanding of how atoms connect and how three-dimensional structures influence chemical behavior.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40075545477320,"sku":"A00186","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/molecularmodelkit3.jpg?v=1773775162"},{"product_id":"215_plastic-beaker","title":"50ml Plastic Beaker","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-697baa0e-4ccc-832b-93ca-40255a501d5e-2\" data-testid=\"conversation-turn-202\" data-scroll-anchor=\"true\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"757a7cb9-714c-4312-a25b-35284edbcceb\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"77\"\u003e50 mL Plastic Beaker for Science Labs | Polypropylene Beaker with Graduations\u003c\/p\u003e\n\u003cp data-start=\"79\" data-end=\"498\"\u003eThis 50 mL plastic beaker is a compact and durable tool for \u003cstrong data-start=\"139\" data-end=\"194\"\u003ehands-on science experiments and classroom lab work\u003c\/strong\u003e, especially when working with smaller volumes. Made from polypropylene, it is lightweight, chemical-resistant, and easy for students to handle during measurements and mixing activities. The beaker features clear\u003cstrong\u003e \u003c\/strong\u003e5 mL graduations and a molded pour spout for accurate measuring and controlled pouring.\u003c\/p\u003e\n\u003cp data-start=\"500\" data-end=\"697\"\u003e\u003cstrong\u003eBeaker Specifications:\u003c\/strong\u003e\u003cbr data-start=\"522\" data-end=\"525\"\u003e• Capacity: 50 mL\u003cbr data-start=\"542\" data-end=\"545\"\u003e• Material: Polypropylene plastic\u003cbr data-start=\"578\" data-end=\"581\"\u003e• Graduations: 5 mL increments\u003cbr data-start=\"611\" data-end=\"614\" data-is-only-node=\"\"\u003e• Integrated pour spout for controlled pouring\u003cbr data-start=\"660\" data-end=\"663\"\u003e• Lightweight and durable design\u003c\/p\u003e\n\u003cp data-start=\"699\" data-end=\"998\"\u003eThis beaker can be safely immersed in boiling water, making it useful for small-scale heating experiments using water baths. It is not suitable for direct use over an open flame. Its smaller size makes it ideal for precise measurements and limited-quantity experiments in chemistry and biology labs.\u003c\/p\u003e\n\u003cp data-start=\"1000\" data-end=\"1158\"\u003e\u003cstrong data-start=\"1000\" data-end=\"1017\"\u003eDid You Know?\u003c\/strong\u003e Smaller beakers like the 50 mL size are often used for more precise measurements and reactions where controlling small volumes is important.\u003c\/p\u003e\n\u003cp data-start=\"1160\" data-end=\"1226\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cem data-start=\"1160\" data-end=\"1226\" data-is-last-node=\"\"\u003eDiscounts available for purchases of 10 or more plastic beakers.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41655954440392,"sku":"A00421","price":1.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/50mlbeaker2.jpg?v=1742834497"},{"product_id":"216_digital-pocket-scale","title":"Digital Pocket Scale","description":"\u003cp data-start=\"0\" data-end=\"64\"\u003e\u003cstrong data-start=\"0\" data-end=\"64\"\u003e500g Precision Scale for Science Labs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"66\" data-end=\"416\"\u003eThe Digital Pocket Scale is a compact, accurate measuring tool ideal for homeschool chemistry labs, physics experiments, and classroom science activities. Designed for precision and convenience, this scale weighs up to 500 grams (1.1 pounds), making it well-suited for measuring chemicals, lab materials, minerals, and small experimental samples.\u003c\/p\u003e\n\u003cp data-start=\"418\" data-end=\"538\"\u003eWith \u003cstrong\u003efour built-in measurement modes\u003c\/strong\u003e, students can easily switch between units depending on the experiment requirements:\u003c\/p\u003e\n\u003cul data-start=\"540\" data-end=\"601\"\u003e\n\u003cli data-start=\"540\" data-end=\"553\"\u003e\n\u003cp data-start=\"542\" data-end=\"553\"\u003eGrams (g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"554\" data-end=\"569\"\u003e\n\u003cp data-start=\"556\" data-end=\"569\"\u003eOunces (oz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"570\" data-end=\"585\"\u003e\n\u003cp data-start=\"572\" data-end=\"585\"\u003eCarats (ct)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"586\" data-end=\"601\"\u003e\n\u003cp data-start=\"588\" data-end=\"601\"\u003eGrains (gn)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"603\" data-end=\"851\"\u003eThe clear digital display provides fast, accurate readings, supporting quantitative lab work and reinforcing proper measurement techniques. Its portable size makes it easy to store in a homeschool lab drawer or transport between classroom stations.\u003c\/p\u003e\n\u003cp data-start=\"853\" data-end=\"1052\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eThis 500g digital scale is an essential tool for structured science curriculum, lab-based learning, and accurate data collection in homeschool programs, co-ops, and private school science classrooms.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40075541315784,"sku":"A00121","price":9.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_6380d774-2c65-4486-b059-10cce3511a44.jpg?v=1661973994"},{"product_id":"217_test-tube-brush","title":"Test Tube Brush","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6997505d-df94-832b-a9ec-aa3692137010-6\" data-testid=\"conversation-turn-102\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"ae1aeddf-d273-4b2b-901b-310c37c46fda\" dir=\"auto\" data-message-model-slug=\"gpt-5-2\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"59\"\u003e\u003cstrong data-start=\"0\" data-end=\"59\"\u003eSmall 9\" Nylon Bristle Cleaning Brush for Test Tubes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"61\" data-end=\"352\"\u003eThe Small Test Tube Brush is an essential laboratory cleaning tool for homeschool science labs, co-ops, and classroom settings. Designed for effective glassware maintenance, this brush features durable nylon bristles secured to a galvanized iron wire handle for flexibility and strength.\u003c\/p\u003e\n\u003cp data-start=\"354\" data-end=\"610\"\u003eThe brush head measures approximately 4 inches long and 0.75 inches wide, making it ideal for cleaning standard test tubes and other narrow laboratory glassware. The full 9-inch overall length allows for comfortable handling and thorough internal cleaning.\u003c\/p\u003e\n\u003cp data-start=\"612\" data-end=\"628\"\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"630\" data-end=\"774\"\u003e\n\u003cli data-start=\"630\" data-end=\"654\"\u003e\n\u003cp data-start=\"632\" data-end=\"654\"\u003e4\" brush head length\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"655\" data-end=\"679\"\u003e\n\u003cp data-start=\"657\" data-end=\"679\"\u003e0.75\" brush diameter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"680\" data-end=\"699\"\u003e\n\u003cp data-start=\"682\" data-end=\"699\"\u003e9\" total length\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"700\" data-end=\"742\"\u003e\n\u003cp data-start=\"702\" data-end=\"742\"\u003eNylon bristles for effective scrubbing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"743\" data-end=\"774\"\u003e\n\u003cp data-start=\"745\" data-end=\"774\"\u003eGalvanized iron wire handle\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"776\" data-end=\"945\"\u003eUseful for routine lab cleanup, this test tube brush helps maintain proper laboratory hygiene and extend the life of glassware used in chemistry and biology experiments. Available individually or in bulk.\u003c\/p\u003e\n\u003cp data-start=\"776\" data-end=\"945\"\u003e\u003cstrong\u003eDiscount automatically applied when purchasing 10 or more. \u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41659745632456,"sku":"A00322","price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_f373edcd-0cd1-4cf5-8923-d1aabc8bbde5.jpg?v=1661974666"},{"product_id":"220_electrode","title":"Copper Electrode Strip","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6997505d-df94-832b-a9ec-aa3692137010-6\" data-testid=\"conversation-turn-228\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"c9f7ef9e-431a-40cc-856c-18f2a039a3ed\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"78\"\u003e\u003cstrong data-start=\"0\" data-end=\"78\"\u003eCopper Electrode Strip – Conductive Metal for Electrochemistry Experiments\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"80\" data-end=\"458\"\u003eExplore electrochemistry through hands-on investigation with this copper electrode strip, an essential component for homeschool and classroom chemistry labs. Copper electrodes are commonly used in experiments involving electrolysis, conductivity, electroplating, and simple battery construction, helping students observe how electrical current interacts with chemical solutions.\u003c\/p\u003e\n\u003cp data-start=\"460\" data-end=\"730\"\u003eDuring laboratory activities, students can immerse the strip in electrolyte solutions to demonstrate oxidation and reduction reactions, ion movement, and electrical conductivity. Its solid copper construction provides reliable performance and clear experimental results.\u003c\/p\u003e\n\u003cp data-start=\"732\" data-end=\"748\"\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"750\" data-end=\"938\"\u003e\n\u003cli data-start=\"750\" data-end=\"782\"\u003e\n\u003cp data-start=\"752\" data-end=\"782\"\u003eSolid copper electrode strip\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"783\" data-end=\"820\"\u003e\n\u003cp data-start=\"785\" data-end=\"820\"\u003eExcellent electrical conductivity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"821\" data-end=\"883\"\u003e\n\u003cp data-start=\"823\" data-end=\"883\"\u003eSuitable for electrolysis and electrochemistry experiments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"884\" data-end=\"938\"\u003e\n\u003cp data-start=\"886\" data-end=\"938\"\u003eIdeal for chemistry and STEM laboratory activities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"940\" data-end=\"1056\"\u003eThis is the copper electrode version; zinc electrodes are also available for experiments that require paired metals. See \u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cornerstone-edsupply.com\/products\/copy-of-electrode?_pos=1\u0026amp;amp;_sid=bdddaee91\u0026amp;amp;_ss=r\" target=\"_blank\" title=\"Zinc Electrode\" rel=\"noopener\"\u003eZinc Electrode\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e for more info!\u003c\/p\u003e\n\u003cp data-start=\"1058\" data-end=\"1147\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong\u003eAvailable individually, with a discount automatically applied when purchasing 10 or more. \u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41655761436872,"sku":"A00252","price":3.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_67c1f9ab-49a6-4369-b17f-2fc69ef82ab4.jpg?v=1661952901"},{"product_id":"222_glass-graduated-cylinder","title":"10 ml Glass Graduated Cylinder","description":"\u003cp data-start=\"268\" data-end=\"335\"\u003e\u003cstrong data-start=\"268\" data-end=\"335\"\u003e10 mL Graduated Cylinder – Borosilicate Glass with Plastic Base\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"337\" data-end=\"703\"\u003eThis \u003cstrong data-start=\"342\" data-end=\"370\"\u003e10 mL graduated cylinder\u003c\/strong\u003e is a reliable piece of \u003cstrong data-start=\"394\" data-end=\"418\"\u003elaboratory glassware\u003c\/strong\u003e designed for accurate liquid measurement in science labs, classrooms, and home experiments. Made from \u003cstrong data-start=\"521\" data-end=\"556\"\u003ehigh-quality borosilicate glass\u003c\/strong\u003e, it offers excellent resistance to heat, chemicals, and thermal shock, making it suitable for repeated use in educational and laboratory settings.\u003c\/p\u003e\n\u003cp data-start=\"705\" data-end=\"1066\"\u003eThe cylinder features \u003cstrong data-start=\"727\" data-end=\"770\"\u003eclear, easy-to-read graduation markings\u003c\/strong\u003e for precise volume measurement up to 10 milliliters. A \u003cstrong data-start=\"826\" data-end=\"850\"\u003edurable plastic base\u003c\/strong\u003e provides added stability on lab benches, reducing the risk of tipping or spills during use. Its compact size makes it ideal for small-scale measurements, solution preparation, and introductory chemistry experiments.\u003c\/p\u003e\n\u003cp data-start=\"1068\" data-end=\"1279\"\u003eCommonly used in \u003cstrong data-start=\"1085\" data-end=\"1133\"\u003echemistry, biology, and general science labs\u003c\/strong\u003e, this graduated cylinder is a dependable tool for students learning proper lab techniques as well as instructors outfitting a complete lab setup.\u003c\/p\u003e\n\u003cp data-start=\"1281\" data-end=\"1294\"\u003e\u003cstrong data-start=\"1281\" data-end=\"1294\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1295\" data-end=\"1499\"\u003e\n\u003cli data-start=\"1295\" data-end=\"1316\"\u003e\n\u003cp data-start=\"1297\" data-end=\"1316\"\u003eCapacity: \u003cstrong data-start=\"1307\" data-end=\"1316\"\u003e10 mL\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1317\" data-end=\"1351\"\u003e\n\u003cp data-start=\"1319\" data-end=\"1351\"\u003eMaterial: \u003cstrong data-start=\"1329\" data-end=\"1351\"\u003eBorosilicate glass\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1352\" data-end=\"1400\"\u003e\n\u003cp data-start=\"1354\" data-end=\"1400\"\u003eBase: \u003cstrong data-start=\"1360\" data-end=\"1400\"\u003eRemovable plastic base for stability\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1401\" data-end=\"1453\"\u003e\n\u003cp data-start=\"1403\" data-end=\"1453\"\u003eClear graduation markings for accurate measurement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1454\" data-end=\"1499\"\u003e\n\u003cp data-start=\"1456\" data-end=\"1499\"\u003eSuitable for educational and laboratory use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40075542233288,"sku":"","price":4.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/productpics.jpg?v=1661284589"},{"product_id":"224_erlenmeyer-flask","title":"250ml Erlenmeyer Flask - Narrow Neck","description":"\u003cp data-start=\"136\" data-end=\"197\"\u003e\u003cstrong data-start=\"136\" data-end=\"197\"\u003eErlenmeyer Flask – 250 mL Narrow Neck, Borosilicate Glass\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"199\" data-end=\"485\"\u003eThis \u003cstrong data-start=\"204\" data-end=\"231\"\u003e250 mL Erlenmeyer flask\u003c\/strong\u003e is a laboratory essential designed for reliable mixing, heating, and solution preparation. Made from \u003cstrong data-start=\"333\" data-end=\"368\"\u003ehigh-quality borosilicate glass\u003c\/strong\u003e, it offers excellent resistance to heat and chemicals, making it suitable for everyday laboratory and classroom use.\u003c\/p\u003e\n\u003cp data-start=\"487\" data-end=\"762\"\u003eThe narrow neck design allows for easy swirling and mixing with reduced risk of spills or splashing, making this flask ideal for chemical reactions, titrations, and heating liquids. Its clear glass construction provides easy visibility of contents during experiments.\u003c\/p\u003e\n\u003cp data-start=\"764\" data-end=\"990\"\u003eCommonly used in\u003cstrong\u003e \u003c\/strong\u003echemistry labs, science classrooms, and educational experiments, this Erlenmeyer flask combines durability, functionality, and classic laboratory design in one dependable piece of laboratory glassware.\u003c\/p\u003e\n\u003cp data-start=\"992\" data-end=\"1005\"\u003e\u003cstrong data-start=\"992\" data-end=\"1005\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1006\" data-end=\"1190\"\u003e\n\u003cli data-start=\"1006\" data-end=\"1028\"\u003e\n\u003cp data-start=\"1008\" data-end=\"1028\"\u003eCapacity:\u003cstrong\u003e \u003c\/strong\u003e250 mL\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1029\" data-end=\"1063\"\u003e\n\u003cp data-start=\"1031\" data-end=\"1063\"\u003eMaterial: Borosilicate glass\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1064\" data-end=\"1103\"\u003e\n\u003cp data-start=\"1066\" data-end=\"1103\"\u003eNarrow neck for controlled mixing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1104\" data-end=\"1147\"\u003e\n\u003cp data-start=\"1106\" data-end=\"1147\"\u003eHeat- and chemical-resistant construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1148\" data-end=\"1190\"\u003e\n\u003cp data-start=\"1150\" data-end=\"1190\"\u003eIdeal for laboratory and educational use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40075542397128,"sku":"","price":4.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_08a28ece-29da-418b-8591-cb1be275e093.jpg?v=1661972510"},{"product_id":"classical-conversations-cycle-3-week-16-lesson-acids-bases-bubbles","title":"CC Cycle 3 Week 16 Lesson: Acids, Bases \u0026 Bubbles","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-698b7c94-5ff8-8332-b05c-2eb00fbb80d8-4\" data-testid=\"conversation-turn-174\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"0ca15b95-25a0-496f-8238-5e092fa341a6\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"95\"\u003eIncludes a digital, downloadable guide for Classical Conversations Cycle 3 lessons for Week 16.\u003c\/p\u003e\n\u003cp data-start=\"97\" data-end=\"464\"\u003e\u003cstrong data-start=\"97\" data-end=\"149\"\u003eClassical Conversations Cycle 3 – Week 16 Lesson\u003c\/strong\u003e introduces students to acid-base chemistry through clear instruction and hands-on experimentation. In this lesson, students explore what happens when chemical “opposites” react and visualize the volume of gases produced during those reactions using the \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eClassical Conversations\u003c\/span\u003e\u003c\/span\u003e Cycle 3 curriculum.\u003c\/p\u003e\n\u003cp data-start=\"466\" data-end=\"750\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eDesigned to support hands-on science, chemical reasoning, and classical learning through discovery, this lesson helps students build confidence in observing reactions while engaging in \u003cstrong data-start=\"651\" data-end=\"703\"\u003eacid-base reactions and gas volume investigation\u003c\/strong\u003e through meaningful discussion and application. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40075830919368,"sku":"","price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/acidsbasesandbubbles_0b3c7c02-92c2-42f3-af0f-be37deb18036.png?v=1620327856"},{"product_id":"barium-hydroxide","title":"Barium Hydroxide","description":"\u003cp data-end=\"264\" data-start=\"219\"\u003e\u003cstrong data-end=\"264\" data-start=\"219\"\u003e10 g bottle of Barium Hydroxide.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"686\" data-start=\"266\"\u003eExplore advanced chemical reactions with our barium hydroxide, formulated for precision and reliability. This strong inorganic base is well-suited for acid-base chemistry, precipitation reactions, sulfate testing, alkaline hydrolysis, and pH studies in educational and experimental settings. The 10 g bottle provides a practical quantity for controlled use in classrooms, laboratories, and at-home learning environments.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemical formula   \u003c\/td\u003e\n\u003ctd\u003eBa(OH)₂\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormula weight\u003c\/td\u003e\n\u003ctd\u003e171.34 g\/mol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAS number\u003c\/td\u003e\n\u003ctd\u003e17194-00-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharacteristics\u003c\/td\u003e\n\u003ctd\u003eWhite, crystalline solid; odorless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical state\u003c\/td\u003e\n\u003ctd\u003eSolid; hygroscopic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage code\u003c\/td\u003e\n\u003ctd\u003eWhite — corrosive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-14\" data-turn-id=\"request-6972a7a8-0278-832d-bc5f-c54bf5cc1938-1\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-model-slug=\"gpt-5-2\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" dir=\"auto\" data-message-id=\"0f6ac66c-f807-4ee1-8253-f73d1e3029dc\" data-message-author-role=\"assistant\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-end=\"944\" data-start=\"927\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"944\" data-start=\"927\"\u003e\u003cstrong data-end=\"944\" data-start=\"927\"\u003eDid You Know?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1216\" data-start=\"946\"\u003eBarium hydroxide is commonly used in analytical chemistry for sulfate-ion detection, organic synthesis, refining sugar, and manufacturing specialty chemicals. Its strong basic properties make it an important reagent in both industrial processes and laboratory education. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40585176580296,"sku":"","price":6.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/bariumhydroxide.jpg?v=1742834265"},{"product_id":"calcium-chloride","title":"Calcium Chloride 30g","description":"\u003cp data-start=\"216\" data-end=\"271\"\u003e\u003cstrong data-start=\"216\" data-end=\"271\"\u003e30 g bottle of Calcium Chloride for laboratory use.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"273\" data-end=\"793\"\u003eSupport a wide range of chemical experiments with our laboratory-grade calcium chloride, prepared for accuracy, consistency, and dependable performance. This highly soluble inorganic salt is commonly used for drying gases and solvents, studying exothermic dissolution, conducting precipitation reactions, and preparing standard solutions in educational and experimental settings. The 30 g bottle provides a convenient quantity for controlled laboratory work, classroom demonstrations, and at-home scientific exploration.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemical formula    \u003c\/td\u003e\n\u003ctd\u003eCaCl₂\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormula weight\u003c\/td\u003e\n\u003ctd\u003e110.98 g\/mol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAS number\u003c\/td\u003e\n\u003ctd\u003e10043-52-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharacteristics\u003c\/td\u003e\n\u003ctd\u003eWhite crystalline solid or pellets; odorless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical state\u003c\/td\u003e\n\u003ctd\u003eSolid; hygroscopic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage code\u003c\/td\u003e\n\u003ctd\u003eWhite — corrosive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-start=\"273\" data-end=\"793\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"1184\" data-end=\"1201\"\u003e\u003cstrong data-start=\"1184\" data-end=\"1201\"\u003eDid You Know?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1203\" data-end=\"1621\"\u003eCalcium chloride releases heat when it dissolves in water, making it a classic example of an exothermic reaction in chemistry education. In laboratories, it is widely used as a drying agent due to its strong affinity for moisture. Beyond the lab, calcium chloride plays an important role in food processing, road de-icing, and concrete curing, highlighting its versatility across scientific and industrial applications.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40585184477384,"sku":"A00090","price":4.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/calciumchloride-30g.jpg?v=1742834771"},{"product_id":"dextrose","title":"Dextrose","description":"\u003cp data-start=\"204\" data-end=\"251\"\u003e\u003cstrong data-start=\"204\" data-end=\"251\"\u003e30 g Bottle of Dextrose for Laboratory Use.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"253\" data-end=\"811\"\u003eSupport biochemistry and general chemistry experiments with our dextrose, supplied for reliable laboratory and educational use. Also known as D-glucose, dextrose is commonly used in fermentation studies, solution preparation, calorimetry, metabolism demonstrations, and reducing sugar experiments. Its high solubility and biological importance make it especially valuable for classroom investigations connecting chemistry with life science concepts. The 30 g bottle provides a practical quantity for repeated laboratory activities and controlled experiments.\u003c\/p\u003e\n\u003cp data-start=\"813\" data-end=\"835\"\u003e\u003cstrong data-start=\"813\" data-end=\"835\"\u003eProduct Properties\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"837\" data-end=\"1214\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"837\" data-end=\"868\"\u003e\n\u003ctr data-start=\"837\" data-end=\"868\"\u003e\n\u003cth data-start=\"837\" data-end=\"857\" data-col-size=\"sm\" class=\"\"\u003eProperty\u003c\/th\u003e\n\u003cth data-start=\"857\" data-end=\"868\" data-col-size=\"md\" class=\"\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"940\" data-end=\"1214\"\u003e\n\u003ctr data-start=\"940\" data-end=\"971\"\u003e\n\u003ctd data-start=\"940\" data-end=\"960\" data-col-size=\"sm\"\u003eChemical formula\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"960\" data-end=\"971\"\u003eC₆H₁₂O₆\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"972\" data-end=\"1008\"\u003e\n\u003ctd data-start=\"972\" data-end=\"992\" data-col-size=\"sm\"\u003eFormula weight\u003c\/td\u003e\n\u003ctd data-start=\"992\" data-end=\"1008\" data-col-size=\"md\"\u003e180.16 g\/mol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1009\" data-end=\"1040\"\u003e\n\u003ctd data-start=\"1009\" data-end=\"1029\" data-col-size=\"sm\"\u003eCAS number\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1029\" data-end=\"1040\"\u003e50-99-7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1041\" data-end=\"1111\"\u003e\n\u003ctd data-start=\"1041\" data-end=\"1061\" data-col-size=\"sm\"\u003eCharacteristics\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1061\" data-end=\"1111\"\u003eWhite crystalline powder; sweet odorless solid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1112\" data-end=\"1166\"\u003e\n\u003ctd data-start=\"1112\" data-end=\"1132\" data-col-size=\"sm\"\u003ePhysical state\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1132\" data-end=\"1166\"\u003eSolid; powdered or crystalline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1167\" data-end=\"1214\"\u003e\n\u003ctd data-start=\"1167\" data-end=\"1187\" data-col-size=\"sm\"\u003eStorage code\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1187\" data-end=\"1214\"\u003eGreen — general storage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"1216\" data-end=\"1219\"\u003e\n\u003cp data-start=\"1221\" data-end=\"1238\"\u003e\u003cstrong data-start=\"1221\" data-end=\"1238\"\u003eDid You Know?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1240\" data-end=\"1618\"\u003eDextrose is the naturally occurring form of glucose used by living cells as a primary energy source. In laboratory settings, it is often used to demonstrate fermentation, where yeast converts sugar into carbon dioxide and ethanol. Because it links chemistry, biology, and energy metabolism, dextrose helps students see how molecular processes sustain life at the cellular level.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40585193816264,"sku":"","price":4.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/DSC09887.jpg?v=1776977606"},{"product_id":"lithium-chloride","title":"Lithium Chloride","description":"\u003cp data-end=\"256\" data-start=\"201\"\u003e\u003cstrong data-end=\"256\" data-start=\"201\"\u003e30 g bottle of Lithium Chloride.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"821\" data-start=\"258\"\u003eSupport a wide range of inorganic and physical chemistry experiments with our lithium chloride, supplied for reliable laboratory performance. This highly soluble alkali metal salt is commonly used in hygroscopicity studies, desiccation experiments, electrochemistry, and solution preparation. Its strong affinity for water and distinctive behavior among alkali metal compounds make it especially valuable in educational and experimental settings. The 30 g bottle provides a convenient quantity for repeated laboratory use and controlled scientific investigations.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemical formula     \u003c\/td\u003e\n\u003ctd\u003eLiCl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormula weight\u003c\/td\u003e\n\u003ctd\u003e42.39 g\/mol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAS number\u003c\/td\u003e\n\u003ctd\u003e7447-41-8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharacteristics\u003c\/td\u003e\n\u003ctd\u003eWhite crystalline solid; odorless; highly hygroscopic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical state\u003c\/td\u003e\n\u003ctd\u003eSolid; crystalline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage code\u003c\/td\u003e\n\u003ctd\u003eGreen — general storage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-end=\"821\" data-start=\"258\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"1241\" data-start=\"1224\"\u003e\u003cstrong data-end=\"1241\" data-start=\"1224\"\u003eDid You Know?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1659\" data-start=\"1243\"\u003eLithium chloride is so effective at absorbing moisture that it is used in industrial air-drying and humidity-control systems. In chemistry education, it stands out among alkali metal salts because it behaves less “ionic” than expected, a result of lithium’s unusually small ion size. This makes lithium chloride a favorite example when teaching trends in periodic properties and deviations from ideal ionic behavior.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40585219080392,"sku":"A00207","price":25.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/lithiumchloride.jpg?v=1742834725"},{"product_id":"phenol-red","title":"Phenol Red","description":"\u003cp data-start=\"216\" data-end=\"291\"\u003e\u003cstrong data-start=\"216\" data-end=\"291\"\u003e15 mL bottle of 0.04% Phenol Red indicator solution for laboratory use.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"293\" data-end=\"870\"\u003eSupport accurate chemical analysis with our phenol red indicator solution, precisely prepared at a 0.04% concentration for dependable laboratory performance. Phenol red is widely used as a two-color pH indicator, an acid–base indicator, and a diagnostic reagent in a variety of chemistry experiments. Its clear and reversible color transition makes it especially valuable for titrations, buffer studies, biological media testing, and instructional demonstrations. Essential for any chemistry student, the 15 mL bottle provides a convenient volume for repeated experimental use.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemical formula     \u003c\/td\u003e\n\u003ctd\u003eC₁₉H₁₄O₅S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormula weight\u003c\/td\u003e\n\u003ctd\u003e354.38 g\/mol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAS number\u003c\/td\u003e\n\u003ctd\u003e143-74-8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharacteristics\u003c\/td\u003e\n\u003ctd\u003eRed to yellow indicator solution; sharp color change\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical state\u003c\/td\u003e\n\u003ctd\u003eLiquid solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage code\u003c\/td\u003e\n\u003ctd\u003eGreen — general storage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-start=\"293\" data-end=\"870\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"1274\" data-end=\"1291\"\u003e\u003cstrong data-start=\"1274\" data-end=\"1291\"\u003eDid You Know?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1293\" data-end=\"1759\"\u003ePhenol red changes color over a pH range that closely matches many biological and chemical systems, shifting from yellow in acidic conditions to red in neutral and slightly basic environments. Because of this, it is commonly used not only in chemistry labs but also in cell culture media to visually monitor pH changes in real time. Its ability to act as both a teaching tool and a diagnostic indicator makes phenol red a unique bridge between chemistry and biology.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40585225371848,"sku":"A00210","price":4.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_c3681a86-b87d-42b5-8c85-806e8f26bc54.jpg?v=1661972238"},{"product_id":"potassium-chloride","title":"Potassium Chloride","description":"\u003cp data-end=\"260\" data-start=\"203\"\u003e\u003cstrong data-end=\"260\" data-start=\"203\"\u003e30 g bottle of Potassium Chloride for laboratory use.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"948\" data-start=\"262\"\u003eExplore fundamental chemical principles with our potassium chloride, supplied for reliable performance in laboratory and educational settings. This widely used ionic compound is ideal for solution preparation, conductivity experiments, crystallization studies, and stoichiometry exercises. In addition to its role in science experiments, potassium chloride is commonly used as a sodium-free salt substitute and in food processing applications. Essential for chemistry students, this compound provides a practical way to study chemical properties while learning about God’s creation through science. The 30 g bottle offers a convenient quantity for repeated classroom, home lab, and laboratory use.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemical formula      \u003c\/td\u003e\n\u003ctd\u003eKCl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormula weight\u003c\/td\u003e\n\u003ctd\u003e74.55 g\/mol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAS number\u003c\/td\u003e\n\u003ctd\u003e7447-40-7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharacteristics\u003c\/td\u003e\n\u003ctd\u003eWhite crystalline solid; odorless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical state\u003c\/td\u003e\n\u003ctd\u003eSolid; crystalline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage code\u003c\/td\u003e\n\u003ctd\u003eGreen — general storage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-end=\"1347\" data-start=\"1330\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"1347\" data-start=\"1330\"\u003e\u003cstrong data-end=\"1347\" data-start=\"1330\"\u003eDid You Know?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1887\" data-start=\"1349\"\u003ePotassium chloride occurs naturally in mineral deposits formed by the evaporation of ancient seas, making it a fascinating example of how geological processes shape the materials we study in chemistry. In the laboratory, it is often used as a standard compound for studying ionic bonding and electrical conductivity in solutions. Its presence in both scientific research and everyday food applications highlights how simple chemical substances can connect classroom learning with the ordered complexity found throughout the natural world.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40585227993288,"sku":"A00169","price":4.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/potassiumchloride.jpg?v=1742834934"},{"product_id":"strontium-chloride","title":"Strontium Chloride","description":"\u003cp data-start=\"213\" data-end=\"270\"\u003e\u003cstrong data-start=\"213\" data-end=\"270\"\u003e30 g bottle of Strontium Chloride for laboratory use.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"272\" data-end=\"766\"\u003eExplore flame tests and inorganic chemistry concepts with our strontium chloride, supplied for reliable laboratory and educational use. This ionic compound is widely used in flame test demonstrations, where it produces a vivid red coloration when exposed to heat. Strontium chloride is also useful in solution chemistry, precipitation reactions, and ion identification experiments. The 30 g bottle provides a practical amount for supervised classroom activities and hands-on chemistry learning.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemical formula      \u003c\/td\u003e\n\u003ctd\u003eSrCl₂\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormula weight\u003c\/td\u003e\n\u003ctd\u003e158.52 g\/mol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAS number\u003c\/td\u003e\n\u003ctd\u003e10476-85-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharacteristics\u003c\/td\u003e\n\u003ctd\u003eWhite crystalline solid; odorless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical state\u003c\/td\u003e\n\u003ctd\u003eSolid; crystalline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage code\u003c\/td\u003e\n\u003ctd\u003eGreen — general storage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp data-start=\"1152\" data-end=\"1169\"\u003e\u003cstrong data-start=\"1152\" data-end=\"1169\"\u003eDid You Know?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1171\" data-end=\"1584\"\u003eThe brilliant red color produced by strontium compounds during flame tests is the same chemical phenomenon used in red fireworks and signal flares. When heated, strontium ions emit light at characteristic wavelengths, allowing chemists to identify elements based solely on color. Flame tests like this provide students with a powerful visual reminder that each element interacts with energy in its own unique way.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40585232810184,"sku":"A00209","price":5.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/strontiumchloride.jpg?v=1742834129"},{"product_id":"experience-chemistry","title":"Experience Chemistry","description":"\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"1c13d1b3-ac8a-4d7e-a93f-1dd78777df4e\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"187\" data-end=\"269\"\u003e\u003cstrong data-start=\"187\" data-end=\"269\"\u003eChemistry Lab Supply Kit for Journey Homeschool Academy – Experience Chemistry\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"271\" data-end=\"686\"\u003eIf you’re enrolled in \u003cstrong data-start=\"293\" data-end=\"348\"\u003eJourney Homeschool Academy’s \u003cem data-start=\"324\" data-end=\"346\"\u003eExperience Chemistry\u003c\/em\u003e\u003c\/strong\u003e, this complete lab supply kit provides the \u003cstrong data-start=\"392\" data-end=\"422\"\u003ehands-on science materials\u003c\/strong\u003e needed to successfully complete the required experiments for the course. Designed specifically for homeschool families, this kit removes the stress of sourcing chemicals and lab equipment individually and ensures students are fully prepared for each lab activity.\u003c\/p\u003e\n\u003cp data-start=\"688\" data-end=\"1074\"\u003eThis chemistry kit supports a wide range of high school–level experiments, including \u003cstrong data-start=\"773\" data-end=\"898\"\u003echemical reactions, solution chemistry, indicators, stoichiometry, electrochemistry, and physical property investigations\u003c\/strong\u003e. With both labware and chemicals included, students can focus on learning proper laboratory techniques while parents can feel confident the supplies match course requirements.\u003c\/p\u003e\n\u003cp data-start=\"1076\" data-end=\"1305\"\u003e\u003cstrong data-start=\"1076\" data-end=\"1094\"\u003eShipping Note:\u003c\/strong\u003e\u003cbr data-start=\"1094\" data-end=\"1097\"\u003eDue to the chemicals included, this kit \u003cstrong data-start=\"1137\" data-end=\"1182\"\u003emust be shipped via ground transport only\u003c\/strong\u003e. Additional shipping information for Alaska, Hawaii, and locations outside the contiguous United States is provided below.\u003c\/p\u003e\n\u003cp data-start=\"1307\" data-end=\"1338\"\u003eThe components in this kit are:\u003c\/p\u003e\n\u003cul data-start=\"1339\" data-end=\"2706\"\u003e\n\u003cli data-start=\"1339\" data-end=\"1350\"\u003e\n\u003cp data-start=\"1341\" data-end=\"1350\"\u003eGoggles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1351\" data-end=\"1385\"\u003e\n\u003cp data-start=\"1353\" data-end=\"1385\"\u003eGloves (neoprene-coated latex)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1386\" data-end=\"1399\"\u003e\n\u003cp data-start=\"1388\" data-end=\"1399\"\u003eLab apron\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1400\" data-end=\"1427\"\u003e\n\u003cp data-start=\"1402\" data-end=\"1427\"\u003eHeat-resistant work mat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1428\" data-end=\"1445\"\u003e\n\u003cp data-start=\"1430\" data-end=\"1445\"\u003eDigital scale\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1446\" data-end=\"1475\"\u003e\n\u003cp data-start=\"1448\" data-end=\"1475\"\u003eChemical weigh boats (20)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1476\" data-end=\"1489\"\u003e\n\u003cp data-start=\"1478\" data-end=\"1489\"\u003eLab scoop\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1490\" data-end=\"1518\"\u003e\n\u003cp data-start=\"1492\" data-end=\"1518\"\u003eDisposable pipettes (15)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1519\" data-end=\"1568\"\u003e\n\u003cp data-start=\"1521\" data-end=\"1568\"\u003eTwo 50 mL graduated cylinders (polypropylene)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1569\" data-end=\"1614\"\u003e\n\u003cp data-start=\"1571\" data-end=\"1614\"\u003e100 mL graduated cylinder (polypropylene)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1615\" data-end=\"1653\"\u003e\n\u003cp data-start=\"1617\" data-end=\"1653\"\u003eTwo 100 mL beakers (polypropylene)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1654\" data-end=\"1681\"\u003e\n\u003cp data-start=\"1656\" data-end=\"1681\"\u003e150 mL Erlenmeyer flask\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1682\" data-end=\"1719\"\u003e\n\u003cp data-start=\"1684\" data-end=\"1719\"\u003eThree 20 mL test tubes (16 x 150)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1720\" data-end=\"1738\"\u003e\n\u003cp data-start=\"1722\" data-end=\"1738\"\u003eTest tube rack\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1739\" data-end=\"1758\"\u003e\n\u003cp data-start=\"1741\" data-end=\"1758\"\u003eTest tube clamp\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1759\" data-end=\"1786\"\u003e\n\u003cp data-start=\"1761\" data-end=\"1786\"\u003eHydrogen peroxide (30%)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1787\" data-end=\"1811\"\u003e\n\u003cp data-start=\"1789\" data-end=\"1811\"\u003eSilver nitrate (2 g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1812\" data-end=\"1858\"\u003e\n\u003cp data-start=\"1814\" data-end=\"1858\"\u003eHydrochloric acid (1 molar, 100 mL bottle)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1859\" data-end=\"1900\"\u003e\n\u003cp data-start=\"1861\" data-end=\"1900\"\u003eIron chloride (ferric chloride, 30 g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1901\" data-end=\"1936\"\u003e\n\u003cp data-start=\"1903\" data-end=\"1936\"\u003eSodium hydroxide pellets (30 g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1937\" data-end=\"1964\"\u003e\n\u003cp data-start=\"1939\" data-end=\"1964\"\u003eSodium phosphate (30 g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1965\" data-end=\"1993\"\u003e\n\u003cp data-start=\"1967\" data-end=\"1993\"\u003eCalcium chloride (100 g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1994\" data-end=\"2016\"\u003e\n\u003cp data-start=\"1996\" data-end=\"2016\"\u003ePhenol red (30 mL)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2017\" data-end=\"2047\"\u003e\n\u003cp data-start=\"2019\" data-end=\"2047\"\u003e1% phenolphthalein (30 mL)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2048\" data-end=\"2074\"\u003e\n\u003cp data-start=\"2050\" data-end=\"2074\"\u003eMagnesium ribbon (1 g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2075\" data-end=\"2109\"\u003e\n\u003cp data-start=\"2077\" data-end=\"2109\"\u003eCalcium metal turnings (0.5 g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2110\" data-end=\"2131\"\u003e\n\u003cp data-start=\"2112\" data-end=\"2131\"\u003eZinc powder (5 g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2132\" data-end=\"2147\"\u003e\n\u003cp data-start=\"2134\" data-end=\"2147\"\u003eSulfur lump\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2148\" data-end=\"2183\"\u003e\n\u003cp data-start=\"2150\" data-end=\"2183\"\u003eCopper (cupric) chloride (30 g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2184\" data-end=\"2211\"\u003e\n\u003cp data-start=\"2186\" data-end=\"2211\"\u003eLithium chloride (30 g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2212\" data-end=\"2241\"\u003e\n\u003cp data-start=\"2214\" data-end=\"2241\"\u003ePotassium chloride (30 g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2242\" data-end=\"2271\"\u003e\n\u003cp data-start=\"2244\" data-end=\"2271\"\u003eStrontium chloride (30 g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2272\" data-end=\"2302\"\u003e\n\u003cp data-start=\"2274\" data-end=\"2302\"\u003eSix 6\" cotton-tipped swabs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2303\" data-end=\"2326\"\u003e\n\u003cp data-start=\"2305\" data-end=\"2326\"\u003eMolecular model kit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2327\" data-end=\"2342\"\u003e\n\u003cp data-start=\"2329\" data-end=\"2342\"\u003eWatch glass\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2343\" data-end=\"2370\"\u003e\n\u003cp data-start=\"2345\" data-end=\"2370\"\u003e100 mL evaporating dish\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2371\" data-end=\"2389\"\u003e\n\u003cp data-start=\"2373\" data-end=\"2389\"\u003ePlastic tubing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2390\" data-end=\"2414\"\u003e\n\u003cp data-start=\"2392\" data-end=\"2414\"\u003eRing stand and clamp\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2415\" data-end=\"2430\"\u003e\n\u003cp data-start=\"2417\" data-end=\"2430\"\u003eThermometer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2431\" data-end=\"2445\"\u003e\n\u003cp data-start=\"2433\" data-end=\"2445\"\u003eSpot plate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2446\" data-end=\"2466\"\u003e\n\u003cp data-start=\"2448\" data-end=\"2466\"\u003eSodium carbonate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2467\" data-end=\"2506\"\u003e\n\u003cp data-start=\"2469\" data-end=\"2506\"\u003eSulfuric acid, concentrated (30 mL)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2507\" data-end=\"2530\"\u003e\n\u003cp data-start=\"2509\" data-end=\"2530\"\u003epH paper (5 strips)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2531\" data-end=\"2562\"\u003e\n\u003cp data-start=\"2533\" data-end=\"2562\"\u003eRed litmus paper (5 strips)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2563\" data-end=\"2595\"\u003e\n\u003cp data-start=\"2565\" data-end=\"2595\"\u003eBlue litmus paper (5 strips)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2596\" data-end=\"2616\"\u003e\n\u003cp data-start=\"2598\" data-end=\"2616\"\u003eBromothymol blue\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2617\" data-end=\"2633\"\u003e\n\u003cp data-start=\"2619\" data-end=\"2633\"\u003eCopper metal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2634\" data-end=\"2649\"\u003e\n\u003cp data-start=\"2636\" data-end=\"2649\"\u003eCopper wire\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2650\" data-end=\"2664\"\u003e\n\u003cp data-start=\"2652\" data-end=\"2664\"\u003e6V battery\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2665\" data-end=\"2684\"\u003e\n\u003cp data-start=\"2667\" data-end=\"2684\"\u003eTwo carbon rods\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2685\" data-end=\"2706\"\u003e\n\u003cp data-start=\"2687\" data-end=\"2706\"\u003eManganese dioxide\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2708\" data-end=\"2746\"\u003e\u003cstrong data-start=\"2708\" data-end=\"2744\"\u003eAdditional Shipping Information:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2747\" data-end=\"2999\"\u003e\n\u003cli data-start=\"2747\" data-end=\"2857\"\u003e\n\u003cp data-start=\"2749\" data-end=\"2857\"\u003e\u003cem data-start=\"2749\" data-end=\"2768\"\u003eAlaska residents:\u003c\/em\u003e Please email \u003cstrong data-start=\"2782\" data-end=\"2815\"\u003e\u003ca data-start=\"2784\" data-end=\"2813\" class=\"decorated-link cursor-pointer\" rel=\"noopener\"\u003einfo@cornerstone-edsupply.com \u003c\/a\u003e\u003c\/strong\u003eto determine shipping options and cost.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2858\" data-end=\"2999\"\u003e\n\u003cp data-start=\"2860\" data-end=\"2999\"\u003e\u003cem data-start=\"2860\" data-end=\"2907\"\u003eHawaii residents and international customers:\u003c\/em\u003e This kit is \u003cstrong data-start=\"2920\" data-end=\"2950\"\u003enot available for shipment\u003c\/strong\u003e to these locations due to chemical restrictions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3001\" data-end=\"3213\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eThis chemistry lab kit is an excellent solution for homeschool families seeking a \u003cstrong data-start=\"3083\" data-end=\"3131\"\u003ecourse-specific, experiment-ready supply set\u003c\/strong\u003e that supports meaningful, hands-on science learning while saving time and effort.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40718369489096,"sku":"A00224","price":249.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_5ac4cf06-32b9-4663-98c0-be14f5399ec4.jpg?v=1655305415"},{"product_id":"lab-apron","title":"Rubberized Lab Apron","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:f225e05c-0efb-45c3-9e35-a89749c3b8af-18\" data-testid=\"conversation-turn-38\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"205aaa9d-8221-4b37-b6fc-bc49bb6f25ab\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"58\"\u003e\u003cstrong data-start=\"0\" data-end=\"58\"\u003eLab Apron – 24x30\" Protective Science Apron\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"60\" data-end=\"406\"\u003eThe Rubberized Lab Apron provides dependable moisture protection for homeschool science labs, classroom experiments, and hands-on activities. Made from durable rubberized cloth fabric, this apron helps shield clothing from spills, splashes, and messy materials during chemistry labs, biology activities, kitchen experiments, and art projects.\u003c\/p\u003e\n\u003cp data-start=\"408\" data-end=\"709\"\u003eDesigned for comfort and coverage, the apron measures 24 x 30 inches and features sturdy cloth tie strings that secure around the neck and back for an adjustable fit. The protective surface resists moisture, making it especially useful during liquid-based experiments and cleanup-intensive activities.\u003c\/p\u003e\n\u003cp data-start=\"711\" data-end=\"727\"\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"729\" data-end=\"950\"\u003e\n\u003cli data-start=\"729\" data-end=\"759\"\u003e\n\u003cp data-start=\"731\" data-end=\"759\"\u003e24\" x 30\" protective apron\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"760\" data-end=\"811\"\u003e\n\u003cp data-start=\"762\" data-end=\"811\"\u003eRubberized cloth fabric for moisture resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"812\" data-end=\"867\"\u003e\n\u003cp data-start=\"814\" data-end=\"867\"\u003eCloth tie strings for adjustable neck and waist fit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"868\" data-end=\"950\"\u003e\n\u003cp data-start=\"870\" data-end=\"950\"\u003eSuitable for lab work, kitchen projects, art activities, and messy experiments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"952\" data-end=\"1156\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eAn essential protective garment for homeschool parents, co-op directors, and classroom teachers seeking practical lab safety supplies for structured science instruction and hands-on learning environments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40987316355272,"sku":"A00204","price":10.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_33e2c307-762a-465f-9ffa-4e5cb0b2ae1c.jpg?v=1661970581"},{"product_id":"neoprene-coated-latex-gloves","title":"Neoprene-coated Latex Gloves","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:f225e05c-0efb-45c3-9e35-a89749c3b8af-24\" data-testid=\"conversation-turn-50\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"fb095e6f-2174-4d44-bc7e-202f9515f5e5\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"56\"\u003e\u003cstrong data-start=\"0\" data-end=\"56\"\u003eProtective Lab Gloves - \u003c\/strong\u003e\u003cstrong\u003eDurable, flexible hand protection designed for safe and confident handling of materials in homeschool and classroom science labs.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"58\" data-end=\"381\"\u003eThe Neoprene-Coated Latex Gloves provide reliable hand protection for homeschool science labs, classroom experiments, and laboratory activities. Designed for durability and chemical resistance, these gloves offer an added neoprene coating over latex to enhance protection from moisture and common laboratory substances.\u003c\/p\u003e\n\u003cp data-start=\"383\" data-end=\"594\"\u003eThe textured surface improves grip when handling glassware, lab tools, and equipment, while the flexible fit allows for precise movement during dissections, chemistry experiments, and general science activities.\u003c\/p\u003e\n\u003cp data-start=\"596\" data-end=\"613\"\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"615\" data-end=\"855\"\u003e\n\u003cli data-start=\"615\" data-end=\"653\"\u003e\n\u003cp data-start=\"617\" data-end=\"653\"\u003eNeoprene-coated latex construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"654\" data-end=\"702\"\u003e\n\u003cp data-start=\"656\" data-end=\"702\"\u003eEnhanced resistance to moisture and splashes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"703\" data-end=\"742\"\u003e\n\u003cp data-start=\"705\" data-end=\"742\"\u003eFlexible fit for improved dexterity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"743\" data-end=\"779\"\u003e\n\u003cp data-start=\"745\" data-end=\"779\"\u003eTextured surface for secure grip\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"780\" data-end=\"855\"\u003e\n\u003cp data-start=\"782\" data-end=\"855\"\u003eSuitable for chemistry labs, biology dissections, and messy experiments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"857\" data-end=\"1037\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eAn essential safety supply for homeschool parents, co-op directors, and classroom teachers committed to maintaining proper lab safety standards during hands-on science instruction.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40987318747336,"sku":"A00205","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_8169df37-e04b-49fe-9888-78b4dbe5d91e.jpg?v=1661971031"},{"product_id":"lab-scoop","title":"Stainless Steel Lab Scoop","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-40\" data-turn-id=\"request-WEB:f225e05c-0efb-45c3-9e35-a89749c3b8af-19\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-model-slug=\"gpt-5-2\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" dir=\"auto\" data-message-id=\"398b4cb2-a5db-4e85-9cce-40960bfc5889\" data-message-author-role=\"assistant\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-end=\"65\" data-start=\"0\"\u003e\u003cstrong data-end=\"65\" data-start=\"0\"\u003eStainless Steel Laboratory Scoop – 6.5\" Chemical Spatula Tool\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"390\" data-start=\"67\"\u003eThe Stainless Steel Laboratory Scoop is a durable, precision tool designed for transferring powders and granular chemicals in homeschool and classroom science labs. Ideal for chemistry experiments, quantitative measurements, and laboratory preparation, this scoop provides clean, controlled handling of solid materials.\u003c\/p\u003e\n\u003cp data-end=\"664\" data-start=\"392\"\u003eConstructed from high-quality stainless steel, it \u003cstrong\u003eresists corrosion and is easy to clean\u003c\/strong\u003e between uses. One end is tapered, allowing students to handle small, precise quantities of chemicals when measuring or transferring substances into beakers, flasks, or weighing boats.\u003c\/p\u003e\n\u003cp data-end=\"682\" data-start=\"666\"\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"893\" data-start=\"684\"\u003e\n\u003cli data-end=\"713\" data-start=\"684\"\u003e\n\u003cp data-end=\"713\" data-start=\"686\"\u003e6.5 inches (16.5 cm) long\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"759\" data-start=\"714\"\u003e\n\u003cp data-end=\"759\" data-start=\"716\"\u003eHigh-quality stainless steel construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"803\" data-start=\"760\"\u003e\n\u003cp data-end=\"803\" data-start=\"762\"\u003eTapered end for small-quantity handling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"862\" data-start=\"804\"\u003e\n\u003cp data-end=\"862\" data-start=\"806\"\u003eSuitable for powders, crystals, and granular chemicals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"893\" data-start=\"863\"\u003e\n\u003cp data-end=\"893\" data-start=\"865\"\u003eEasy to clean and reusable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1109\" data-start=\"895\"\u003eAn essential lab supply for structured chemistry curriculum, this metal scoop supports accurate measurement practices and safe material handling in homeschool programs, co-ops, and educational science laboratories. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41150845714632,"sku":"A00189","price":1.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_0953314e-aff3-4ff1-930b-c8b3bb28420d.jpg?v=1661971324"},{"product_id":"soil-test-kit","title":"Soil Test Kit","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6997505d-df94-832b-a9ec-aa3692137010-1\" data-testid=\"conversation-turn-92\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"68540e39-23e2-4fbf-8fd2-735ffc57bf5c\" dir=\"auto\" data-message-model-slug=\"gpt-5-2\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"42\" data-end=\"107\"\u003e\u003cstrong data-start=\"42\" data-end=\"107\"\u003eSoil Test Kit – pH, Nitrogen, Phosphorous \u0026amp; Potassium Testing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"109\" data-end=\"417\"\u003eThe Rapitest\u003cstrong data-start=\"113\" data-end=\"139\"\u003e \u003c\/strong\u003eSoil Test Kit makes it simple to evaluate soil quality for gardening projects and science investigations. Ideal for homeschool botany studies, classroom plant experiments, and backyard gardening, this kit allows students to analyze key nutrients that directly impact plant growth and health, or simly to evaluate the soil composition of a garden bed.\u003c\/p\u003e\n\u003cp data-start=\"419\" data-end=\"458\"\u003e\u003cstrong\u003eTest soil for four components:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"460\" data-end=\"548\"\u003e\n\u003cli data-start=\"460\" data-end=\"493\"\u003e\n\u003cp data-start=\"462\" data-end=\"493\"\u003epH level (acidity\/alkalinity)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"494\" data-end=\"510\"\u003e\n\u003cp data-start=\"496\" data-end=\"510\"\u003eNitrogen (N)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"511\" data-end=\"530\"\u003e\n\u003cp data-start=\"513\" data-end=\"530\"\u003ePhosphorous (P)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"531\" data-end=\"548\"\u003e\n\u003cp data-start=\"533\" data-end=\"548\"\u003ePotassium (K)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"550\" data-end=\"817\"\u003eEach of the four easy color-comparison tests can be performed up to 10 times, allowing for repeated trials, comparative soil sampling, and structured data collection. Students observe color changes and match results to the included chart to determine nutrient levels.\u003c\/p\u003e\n\u003cp data-start=\"819\" data-end=\"1078\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eThis hands-on soil analysis kit supports lessons in plant biology, environmental science, agriculture, and experimental design. A practical tool for studying how soil composition affects plant growth in homeschool programs, co-ops, and classroom science labs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41150846140616,"sku":"A00287","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/RapitestSoilTestKit.jpg?v=1662643435"},{"product_id":"copy-of-electrode","title":"Zinc Electrode Strip","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6997505d-df94-832b-a9ec-aa3692137010-7\" data-testid=\"conversation-turn-230\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"523a588e-86ed-4516-ac76-95490f26f598\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"75\"\u003e\u003cstrong data-start=\"0\" data-end=\"75\"\u003eZinc Electrode Strip – Metal Electrode for Electrochemistry Experiments\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"77\" data-end=\"466\"\u003eDiscover the principles of electrochemistry with this zinc electrode strip, a versatile laboratory component used in homeschool and classroom chemistry experiments. Zinc electrodes are commonly used in electrolysis demonstrations, conductivity investigations, and simple battery experiments, helping students observe chemical reactions that occur when electricity passes through solutions.\u003c\/p\u003e\n\u003cp data-start=\"468\" data-end=\"750\"\u003eWhen paired with another metal electrode in an electrolyte solution, zinc can help illustrate oxidation-reduction reactions and the movement of ions within an electrochemical system. Its solid metal construction provides consistent results across a variety of classroom experiments.\u003c\/p\u003e\n\u003cp data-start=\"752\" data-end=\"768\"\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"770\" data-end=\"977\"\u003e\n\u003cli data-start=\"770\" data-end=\"800\"\u003e\n\u003cp data-start=\"772\" data-end=\"800\"\u003eSolid zinc electrode strip\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"801\" data-end=\"863\"\u003e\n\u003cp data-start=\"803\" data-end=\"863\"\u003eSuitable for electrolysis and electrochemistry experiments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"864\" data-end=\"925\"\u003e\n\u003cp data-start=\"866\" data-end=\"925\"\u003eWorks in a variety of solution-based chemistry activities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"926\" data-end=\"977\"\u003e\n\u003cp data-start=\"928\" data-end=\"977\"\u003eIdeal for homeschool and classroom science labs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"979\" data-end=\"1095\"\u003eThis is the zinc electrode version; copper electrodes are also available for experiments that require paired metals. See \u003ca href=\"https:\/\/cornerstone-edsupply.com\/products\/220_electrode?_pos=2\u0026amp;_sid=bdddaee91\u0026amp;_ss=r\" target=\"_blank\" title=\"Copper Electrode\" rel=\"noopener\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eCopper Electrode\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e for more details! \u003c\/p\u003e\n\u003cp data-start=\"1097\" data-end=\"1186\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong\u003eAvailable individually, with a discount automatically applied when purchasing 10 or more.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41655759536328,"sku":"A00250","price":1.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_7cbe788c-bdf8-40e1-bafc-771f56b59741.jpg?v=1661368950"},{"product_id":"50ml-glass-graduated-cylinder","title":"50ml Glass Graduated Cylinder","description":"\u003cp data-start=\"166\" data-end=\"235\"\u003e\u003cstrong data-start=\"166\" data-end=\"235\"\u003e50 mL Graduated Cylinder – Borosilicate Glass with Hexagonal Base\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"237\" data-end=\"565\"\u003eThis \u003cstrong data-start=\"242\" data-end=\"270\"\u003e50 mL graduated cylinder\u003c\/strong\u003e is a durable and dependable piece of laboratory glassware, designed for accurate liquid measurement in educational and laboratory environments. Made from high-quality borosilicate glass, it offers excellent resistance to heat, chemicals, and thermal stress for long-lasting performance.\u003c\/p\u003e\n\u003cp data-start=\"567\" data-end=\"896\"\u003eThe cylinder features a \u003cstrong data-start=\"591\" data-end=\"626\"\u003econtinuous glass hexagonal base\u003c\/strong\u003e, providing enhanced stability on lab benches without the need for a plastic base. Clear, easy-to-read graduation markings allow for precise volume measurement up to 50 milliliters, making it ideal for solution preparation, measurements, and general laboratory work.\u003c\/p\u003e\n\u003cp data-start=\"898\" data-end=\"1114\"\u003eCommonly used in \u003cstrong data-start=\"915\" data-end=\"978\"\u003echemistry labs, science classrooms, and student experiments\u003c\/strong\u003e, this graduated cylinder combines durability, accuracy, and a clean, all-glass design—making it a reliable choice for everyday lab use.\u003c\/p\u003e\n\u003cp data-start=\"1116\" data-end=\"1129\"\u003e\u003cstrong data-start=\"1116\" data-end=\"1129\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1130\" data-end=\"1387\"\u003e\n\u003cli data-start=\"1130\" data-end=\"1151\"\u003e\n\u003cp data-start=\"1132\" data-end=\"1151\"\u003eCapacity: 50 mL\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1152\" data-end=\"1186\"\u003e\n\u003cp data-start=\"1154\" data-end=\"1186\"\u003eMaterial: Borosilicate glass\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1187\" data-end=\"1244\"\u003e\n\u003cp data-start=\"1189\" data-end=\"1244\"\u003eContinuous glass hexagonal base for added stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1245\" data-end=\"1297\"\u003e\n\u003cp data-start=\"1247\" data-end=\"1297\"\u003eClear graduation markings for accurate measurement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1298\" data-end=\"1341\"\u003e\n\u003cp data-start=\"1300\" data-end=\"1341\"\u003eHeat- and chemical-resistant construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1342\" data-end=\"1387\"\u003e\n\u003cp data-start=\"1344\" data-end=\"1387\"\u003eSuitable for educational and laboratory use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41599227723976,"sku":"","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_9beced79-6aee-48a3-90a6-18a5e19dafa8.jpg?v=1656010298"},{"product_id":"100ml-plastic-beaker","title":"100 ml Plastic Beaker","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-697baa0e-4ccc-832b-93ca-40255a501d5e-0\" data-testid=\"conversation-turn-198\" data-scroll-anchor=\"true\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"230b7a55-e1d3-42f1-9f73-5eac679645d6\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"78\"\u003e100 mL Plastic Beaker for Science Labs | Polypropylene Beaker with Graduations\u003c\/p\u003e\n\u003cp data-start=\"80\" data-end=\"502\"\u003eThis 100 mL plastic beaker is a durable and practical tool for \u003cstrong data-start=\"143\" data-end=\"198\"\u003ehands-on science experiments and classroom lab work\u003c\/strong\u003e. Made from polypropylene, it is lightweight, chemical-resistant, and well suited for repeated use in both classroom and homeschool settings. The beaker features clear 5 mL graduations and a molded pour spout, making it easy for students to measure and transfer liquids accurately during experiments.\u003c\/p\u003e\n\u003cp data-start=\"504\" data-end=\"702\"\u003e\u003cstrong\u003eBeaker Specifications:\u003c\/strong\u003e\u003cbr data-start=\"526\" data-end=\"529\"\u003e• Capacity: 100 mL\u003cbr data-start=\"547\" data-end=\"550\"\u003e• Material: Polypropylene plastic\u003cbr data-start=\"583\" data-end=\"586\"\u003e• Graduations: 5 mL increments\u003cbr data-start=\"616\" data-end=\"619\" data-is-only-node=\"\"\u003e• Integrated pour spout for controlled pouring\u003cbr data-start=\"665\" data-end=\"668\"\u003e• Lightweight and durable design\u003c\/p\u003e\n\u003cp data-start=\"704\" data-end=\"1018\"\u003eThis beaker can be safely immersed in boiling water, making it useful for experiments involving heating in water baths. It is not suitable for direct use over an open flame. Its sturdy construction and ease of use make it a dependable choice for chemistry labs, biology activities, and general science experiments.\u003c\/p\u003e\n\u003cp data-start=\"1020\" data-end=\"1193\"\u003e\u003cstrong data-start=\"1020\" data-end=\"1037\"\u003eDid You Know?\u003c\/strong\u003e Polypropylene beakers are commonly used in labs because they resist many chemicals and can handle heat better than standard plastics without breaking down.\u003c\/p\u003e\n\u003cp data-start=\"1195\" data-end=\"1261\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cem data-start=\"1195\" data-end=\"1261\" data-is-last-node=\"\"\u003eDiscounts available for purchases of 10 or more plastic beakers.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41655950868680,"sku":"A00111","price":1.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/100mlbeaker.jpg?v=1742834515"},{"product_id":"250ml-plastic-beaker","title":"250ml Plastic Beaker","description":"\u003cp data-start=\"0\" data-end=\"78\"\u003e250 mL Plastic Beaker for Science Labs | Polypropylene Beaker with Graduations\u003c\/p\u003e\n\u003cp data-start=\"80\" data-end=\"501\"\u003eThis 250 mL plastic beaker is a reliable and easy-to-use tool for \u003cstrong data-start=\"146\" data-end=\"201\"\u003ehands-on science experiments and classroom lab work\u003c\/strong\u003e. Made from durable polypropylene, it offers a lightweight and chemical-resistant option for measuring, mixing, and transferring liquids. The beaker features clear \u003cstrong data-start=\"365\" data-end=\"385\"\u003e5 mL graduations\u003c\/strong\u003e and a molded pour spout, helping students perform accurate measurements and controlled pours during lab activities.\u003c\/p\u003e\n\u003cp data-start=\"503\" data-end=\"707\"\u003e\u003cstrong\u003eBeaker Specifications:\u003c\/strong\u003e\u003cbr data-start=\"525\" data-end=\"528\"\u003e• Capacity: 250 mL\u003cbr data-start=\"546\" data-end=\"549\"\u003e• Material: Polypropylene plastic\u003cbr data-start=\"582\" data-end=\"585\"\u003e• Graduations: 5 mL increments\u003cbr data-start=\"615\" data-end=\"618\" data-is-only-node=\"\"\u003e• Integrated pour spout for controlled pouring\u003cbr data-start=\"664\" data-end=\"667\"\u003e• Lightweight and durable construction\u003c\/p\u003e\n\u003cp data-start=\"709\" data-end=\"1001\"\u003eThis beaker can be safely immersed in boiling water, making it suitable for water bath experiments and temperature-related activities. It should not be used over an open flame. Its practical design makes it a dependable choice for chemistry labs, biology experiments, and general science use.\u003c\/p\u003e\n\u003cp data-start=\"1003\" data-end=\"1171\"\u003e\u003cstrong data-start=\"1003\" data-end=\"1020\"\u003eDid You Know?\u003c\/strong\u003e Larger beakers like the 250 mL size are often used when students need extra room for mixing solutions or observing reactions without risk of overflow.\u003c\/p\u003e\n\u003cp data-start=\"1173\" data-end=\"1239\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cem data-start=\"1173\" data-end=\"1239\" data-is-last-node=\"\"\u003eDiscounts available for purchases of 10 or more plastic beakers.\u003c\/em\u003e\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41655948411080,"sku":"A00123","price":2.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/250mlbeaker.jpg?v=1742834540"},{"product_id":"large-test-tubes","title":"Glass Test Tubes - Large","description":"\u003cp data-start=\"178\" data-end=\"245\"\u003e\u003cstrong data-start=\"178\" data-end=\"245\"\u003eBorosilicate Glass Test Tubes – 16 × 150 mm (Sold Individually)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"247\" data-end=\"582\"\u003eThese \u003cstrong data-start=\"253\" data-end=\"286\"\u003eborosilicate glass test tubes\u003c\/strong\u003e are durable, heat-resistant laboratory essentials designed for a wide range of science experiments and classroom applications. Made from \u003cstrong data-start=\"424\" data-end=\"459\"\u003ehigh-quality borosilicate glass\u003c\/strong\u003e, they offer excellent resistance to heat and chemicals, making them suitable for heating, mixing, and observing reactions.\u003c\/p\u003e\n\u003cp data-start=\"584\" data-end=\"910\"\u003eAvailable in \u003cstrong data-start=\"597\" data-end=\"610\"\u003etwo sizes\u003c\/strong\u003e, these test tubes are ideal for chemistry and general laboratory use. The \u003cstrong data-start=\"685\" data-end=\"725\"\u003elarge test tube measures 16 × 150 mm\u003c\/strong\u003e, providing ample capacity for solution preparation, heating liquids, and hands-on experimentation. Their clear glass construction allows for easy observation of reactions and contents.\u003c\/p\u003e\n\u003cp data-start=\"912\" data-end=\"1177\"\u003eTest tubes are \u003cstrong data-start=\"927\" data-end=\"948\"\u003esold individually\u003c\/strong\u003e, making it easy to order exactly the quantity you need. A \u003cstrong data-start=\"1007\" data-end=\"1067\"\u003evolume discount is applied when purchasing 48 test tubes\u003c\/strong\u003e, offering a convenient option for classrooms, labs, and group settings.\u003cbr data-start=\"1139\" data-end=\"1142\"\u003e\u003cstrong data-start=\"1142\" data-end=\"1177\"\u003eTest tube rack sold separately.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1179\" data-end=\"1192\"\u003e\u003cstrong data-start=\"1179\" data-end=\"1192\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1193\" data-end=\"1428\"\u003e\n\u003cli data-start=\"1193\" data-end=\"1227\"\u003e\n\u003cp data-start=\"1195\" data-end=\"1227\"\u003eMaterial: \u003cstrong data-start=\"1205\" data-end=\"1227\"\u003eBorosilicate glass\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1228\" data-end=\"1256\"\u003e\n\u003cp data-start=\"1230\" data-end=\"1256\"\u003eAvailable in \u003cstrong data-start=\"1243\" data-end=\"1256\"\u003etwo sizes\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1257\" data-end=\"1286\"\u003e\n\u003cp data-start=\"1259\" data-end=\"1286\"\u003eLarge size: \u003cstrong data-start=\"1271\" data-end=\"1286\"\u003e16 × 150 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1287\" data-end=\"1317\"\u003e\n\u003cp data-start=\"1289\" data-end=\"1317\"\u003eHeat- and chemical-resistant\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1368\" data-end=\"1428\"\u003e\n\u003cp data-start=\"1370\" data-end=\"1428\"\u003eCompatible with standard test tube racks (sold separately)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDiscount available for purchases of 48 units or more. \u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41659754381512,"sku":"A00052","price":0.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/smalltesttubes1.jpg?v=1645202069"},{"product_id":"support-stand-retort-stand","title":"Chemistry Ring \/ Support Stand","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:f225e05c-0efb-45c3-9e35-a89749c3b8af-5\" data-testid=\"conversation-turn-12\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"2f8e4cb2-4f1b-486b-8cd4-6a47bd2b49a6\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"69\"\u003e\u003cstrong data-start=\"0\" data-end=\"69\"\u003eChemistry Ring Stand \/ Support Stand \/ Retort Stand – 4x6\" Metal Base with 18\" Steel Rod\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"71\" data-end=\"400\"\u003eThe Chemistry Ring Stand, also called a Support or Retort Stand, is an essential piece of laboratory equipment for homeschool chemistry labs, physics experiments, and classroom science demonstrations. Designed for stability and durability, this stand provides secure support for clamps, rings, burettes, flasks, thermometers, and other laboratory apparatus.\u003c\/p\u003e\n\u003cp data-start=\"402\" data-end=\"732\"\u003eBuilt with a sturdy 4x6-inch heavy metal base, this stand offers reliable balance during heating experiments, titrations, filtration setups, and suspended apparatus demonstrations. The solid steel vertical rod measures 5\/16 inch in diameter and stands 18 inches tall, providing ample height for multi-component lab configurations.\u003c\/p\u003e\n\u003cp data-start=\"734\" data-end=\"757\"\u003e\u003cstrong\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"759\" data-end=\"985\"\u003e\n\u003cli data-start=\"759\" data-end=\"807\"\u003e\n\u003cp data-start=\"761\" data-end=\"807\"\u003eHeavy-duty 4x6-inch metal base for stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"808\" data-end=\"844\"\u003e\n\u003cp data-start=\"810\" data-end=\"844\"\u003e18-inch solid steel vertical rod\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"845\" data-end=\"871\"\u003e\n\u003cp data-start=\"847\" data-end=\"871\"\u003e5\/16-inch rod diameter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"872\" data-end=\"926\"\u003e\n\u003cp data-start=\"874\" data-end=\"926\"\u003eCompatible with standard lab clamps and iron rings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"927\" data-end=\"985\"\u003e\n\u003cp data-start=\"929\" data-end=\"985\"\u003eIdeal for chemistry, physics, and general science labs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"987\" data-end=\"1207\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eThis durable laboratory stand is suitable for homeschool science programs, co-op labs, private school classrooms, and educational institutions seeking dependable, long-lasting lab equipment for repeated experimental use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":43182604091592,"sku":"A00180","price":15.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/RetortStand.png?v=1708703805"},{"product_id":"50-ml-burette-with-pfte-stopcock","title":"50-ml Burette with PFTE Stopcock (Glass)","description":"\u003cp data-start=\"157\" data-end=\"214\"\u003e\u003cstrong data-start=\"157\" data-end=\"214\"\u003e50 mL Burette – Borosilicate Glass with PTFE Stopcock\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"574\"\u003eThis \u003cstrong data-start=\"221\" data-end=\"238\"\u003e50 mL burette\u003c\/strong\u003e is a precision laboratory instrument designed for accurate and controlled liquid delivery, making it ideal for titrations and quantitative chemistry experiments. Constructed from high-quality borosilicate glass, it offers excellent chemical resistance and durability for repeated use in educational and laboratory settings.\u003c\/p\u003e\n\u003cp data-start=\"576\" data-end=\"864\"\u003eA smooth-operating \u003cstrong data-start=\"595\" data-end=\"612\"\u003ePTFE stopcock\u003c\/strong\u003e provides reliable, drip-free control of liquid flow, allowing users to add solutions drop by drop with confidence and consistency. The clear glass body features \u003cstrong data-start=\"774\" data-end=\"810\"\u003eeasy-to-read graduation markings\u003c\/strong\u003e for precise volume tracking throughout an experiment.\u003c\/p\u003e\n\u003cp data-start=\"866\" data-end=\"1052\"\u003eWidely used in chemistry labs, science classrooms, and analytical applications, this burette is an essential piece of laboratory glassware for experiments where accuracy matters.\u003c\/p\u003e\n\u003cp data-start=\"1054\" data-end=\"1196\"\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e \u003cspan style=\"text-decoration: underline;\"\u003eA burette clamp and support stand are required for proper setup and safe operation and are not included with this item.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1198\" data-end=\"1211\"\u003e\u003cstrong data-start=\"1198\" data-end=\"1211\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1212\" data-end=\"1466\"\u003e\n\u003cli data-start=\"1212\" data-end=\"1233\"\u003e\n\u003cp data-start=\"1214\" data-end=\"1233\"\u003eCapacity: 50 mL\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1234\" data-end=\"1268\"\u003e\n\u003cp data-start=\"1236\" data-end=\"1268\"\u003eMaterial: Borosilicate glass\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1269\" data-end=\"1321\"\u003e\n\u003cp data-start=\"1271\" data-end=\"1321\"\u003ePTFE stopcock for smooth, precise flow control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1322\" data-end=\"1366\"\u003e\n\u003cp data-start=\"1324\" data-end=\"1366\"\u003eClear graduations for accurate measurement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1367\" data-end=\"1420\"\u003e\n\u003cp data-start=\"1369\" data-end=\"1420\"\u003eIdeal for titrations and controlled liquid transfer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1421\" data-end=\"1466\"\u003e\n\u003cp data-start=\"1423\" data-end=\"1466\"\u003eDesigned for educational and laboratory use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":43182661566664,"sku":"A00531","price":24.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/Burette.jpg?v=1708703416"},{"product_id":"ethyl-alcohol","title":"Ethyl Alcohol","description":"\u003cp data-end=\"274\" data-start=\"209\"\u003e\u003cstrong data-end=\"274\" data-start=\"209\"\u003e30 mL container of 95% Ethyl Alcohol (Ethanol)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"854\" data-start=\"276\"\u003eSupport a wide range of laboratory and educational applications with our 95% ethanol, a high-purity solvent commonly used in chemical experimentation. Also known as ethyl alcohol, this concentrated solution is ideal for solvent studies, extraction procedures, solution preparation, combustion demonstrations, and cleaning laboratory equipment. Its high volatility and consistent composition make it a staple reagent in chemistry, biology, and materials science. The 30 mL container provides a controlled amount for precise experimental use in classrooms, home learning, and laboratory settings. \u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemical formula     \u003c\/td\u003e\n\u003ctd\u003eC₂H₅OH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormula weight\u003c\/td\u003e\n\u003ctd\u003e46.07 g\/mol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAS number\u003c\/td\u003e\n\u003ctd\u003e64-17-5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharacteristics\u003c\/td\u003e\n\u003ctd\u003eClear, colorless liquid; characteristic alcohol odor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical state\u003c\/td\u003e\n\u003ctd\u003eLiquid; volatile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage code\u003c\/td\u003e\n\u003ctd\u003eRed — flammable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-end=\"854\" data-start=\"276\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"1263\" data-start=\"1246\"\u003e\u003cstrong data-end=\"1263\" data-start=\"1246\"\u003eDid You Know?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1747\" data-start=\"1265\"\u003eEthanol has been used as a laboratory solvent for centuries due to its unique ability to dissolve both polar and nonpolar substances. At 95% concentration, ethanol forms an azeotrope with water, meaning it cannot be further purified by simple distillation alone—a concept often taught in physical chemistry. In experimental science, ethanol’s clean-burning nature and rapid evaporation make it invaluable for demonstrations involving combustion, sterilization, and solvent behavior. \u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":43245090767048,"sku":"A00089","price":5.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/ethylalcohol.jpg?v=1742834241"},{"product_id":"sodium-acetate","title":"Sodium Acetate","description":"\u003cp data-start=\"220\" data-end=\"293\"\u003e\u003cstrong data-start=\"220\" data-end=\"293\"\u003e30 g bottle of anhydrous Sodium Acetate for chemical activities only.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"295\" data-end=\"864\"\u003eExplore thermochemistry and solution chemistry with our anhydrous sodium acetate, supplied for reliable performance in educational and laboratory chemical activities. This versatile organic salt is commonly used in buffering systems, crystallization experiments, heat of solution studies, and demonstrations of supersaturation. Its anhydrous form allows for precise control in experimental setups, making it especially useful for chemistry students and instructional laboratories. The 30 g bottle provides a practical quantity for repeated hands-on chemical activities.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemical formula      \u003c\/td\u003e\n\u003ctd\u003eCH₃COONa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormula weight\u003c\/td\u003e\n\u003ctd\u003e82.03 g\/mol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAS number\u003c\/td\u003e\n\u003ctd\u003e127-09-3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharacteristics\u003c\/td\u003e\n\u003ctd\u003eWhite crystalline solid; odorless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical state\u003c\/td\u003e\n\u003ctd\u003eSolid; crystalline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage code\u003c\/td\u003e\n\u003ctd\u003eGreen — general storage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-start=\"295\" data-end=\"864\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"1250\" data-end=\"1267\"\u003e\u003cstrong data-start=\"1250\" data-end=\"1267\"\u003eDid You Know?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1269\" data-end=\"1735\"\u003eSodium acetate is famous for its role in reusable hand warmers, where a supersaturated solution rapidly crystallizes and releases heat when triggered. This same behavior makes it a powerful teaching tool for illustrating phase changes, energy transfer, and metastable systems in chemistry. In the laboratory, sodium acetate is also widely used to create buffer solutions, helping students understand how pH stability is maintained in chemical and biological systems.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":43245207716040,"sku":"A00508","price":5.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/sodiumacetate.jpg?v=1742834355"},{"product_id":"sodium-carbonate","title":"Sodium Carbonate","description":"\u003cp data-end=\"281\" data-start=\"219\"\u003e\u003cstrong data-end=\"281\" data-start=\"219\"\u003e30 g bottle of Sodium Carbonate powder for laboratory use.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"816\" data-start=\"283\"\u003eExplore core principles of inorganic and solution chemistry with our sodium carbonate powder, supplied for consistent and reliable laboratory performance. This versatile alkali salt is commonly used in acid–base reactions, titrations, buffer preparation, and water hardness studies. Its predictable reactivity and high solubility make it especially valuable for classroom demonstrations and controlled chemical experiments. The 30 g bottle provides a convenient quantity for repeated laboratory activities and student investigations.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemical formula      \u003c\/td\u003e\n\u003ctd\u003eNa₂CO₃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormula weight\u003c\/td\u003e\n\u003ctd\u003e105.99 g\/mol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAS number\u003c\/td\u003e\n\u003ctd\u003e497-19-8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharacteristics\u003c\/td\u003e\n\u003ctd\u003eWhite powder; odorless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical state\u003c\/td\u003e\n\u003ctd\u003eSolid; powdered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage code\u003c\/td\u003e\n\u003ctd\u003eGreen — general storage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-end=\"816\" data-start=\"283\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"1204\" data-start=\"1187\"\u003e\u003cstrong data-end=\"1204\" data-start=\"1187\"\u003eDid You Know?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1700\" data-start=\"1206\"\u003eSodium carbonate, also known as soda ash, has been used historically in glassmaking and soap production, making it one of the oldest industrial chemicals known to humanity. In chemistry education, it provides a clear example of a basic salt that reacts predictably with acids to release carbon dioxide gas. Naturally occurring sodium carbonate deposits form in dry lake beds, illustrating how geological processes can produce substances still essential to modern science and industry.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":43245209944264,"sku":"A00099","price":4.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/sodiumcarbonate.jpg?v=1742834901"},{"product_id":"sodium-hydroxide","title":"Sodium Hydroxide","description":"\u003cp data-end=\"290\" data-start=\"218\"\u003e\u003cstrong data-end=\"290\" data-start=\"218\"\u003e30 g bottle of Sodium Hydroxide powder for chemical activities only.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"848\" data-start=\"292\"\u003eConduct strong base chemistry with our sodium hydroxide powder, supplied for reliable use in educational and laboratory chemical activities. Also known as lye, this highly reactive alkali is commonly used in acid–base reactions, titrations, saponification experiments, solution preparation, and pH adjustment studies. Its fast solubility and predictable behavior make it an essential reagent for chemistry students exploring fundamental reaction mechanisms. The 30 g bottle provides a controlled quantity for supervised laboratory and classroom activities.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemical formula      \u003c\/td\u003e\n\u003ctd\u003eNaOH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormula weight\u003c\/td\u003e\n\u003ctd\u003e40.00 g\/mol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAS number\u003c\/td\u003e\n\u003ctd\u003e1310-73-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharacteristics\u003c\/td\u003e\n\u003ctd\u003eWhite solid; pellets or powder; odorless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical state\u003c\/td\u003e\n\u003ctd\u003eSolid; powdered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage code\u003c\/td\u003e\n\u003ctd\u003eWhite — corrosive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-end=\"848\" data-start=\"292\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"1246\" data-start=\"1229\"\u003e\u003cstrong data-end=\"1246\" data-start=\"1229\"\u003eDid You Know?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1723\" data-start=\"1248\"\u003eSodium hydroxide plays a central role in many everyday materials, from soaps and detergents to paper and textiles. In chemistry education, it is often used to demonstrate exothermic dissolution, as significant heat is released when it dissolves in water. Because it reacts readily with acids, fats, and even certain metals, sodium hydroxide provides students with a powerful example of how chemical reactivity must be carefully controlled in laboratory science.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":43245217644744,"sku":"A00097","price":5.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/DSC09889_1edda071-6a64-46e6-a486-13ace309f67f.jpg?v=1776976407"},{"product_id":"phenolphthalein","title":"Phenolphthalein","description":"\u003cp data-start=\"233\" data-end=\"318\"\u003e\u003cstrong data-start=\"233\" data-end=\"318\"\u003e30 mL bottle of 1% Phenolphthalein aqueous solution for chemical activities only.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"320\" data-end=\"890\"\u003ePerform clear and precise acid–base analysis with our phenolphthalein indicator solution, prepared at a 1% concentration for reliable laboratory use. This classic pH indicator is widely used in titrations, neutralization reactions, and instructional chemistry activities due to its sharp and easily observed color change. Essential for chemical activities and analytical experiments, phenolphthalein provides consistent results when identifying basic solutions and reaction endpoints. The 30 mL bottle offers a practical volume for repeated classroom and laboratory use. \u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemical formula     \u003c\/td\u003e\n\u003ctd\u003eC₂₀H₁₄O₄\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormula weight\u003c\/td\u003e\n\u003ctd\u003e318.32 g\/mol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAS number\u003c\/td\u003e\n\u003ctd\u003e77-09-8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharacteristics\u003c\/td\u003e\n\u003ctd\u003eColorless solution; turns pink in basic solutions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical state\u003c\/td\u003e\n\u003ctd\u003eLiquid aqueous solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage code\u003c\/td\u003e\n\u003ctd\u003eGreen — general storage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-start=\"320\" data-end=\"890\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"1297\" data-end=\"1314\"\u003e\u003cstrong data-start=\"1297\" data-end=\"1314\"\u003eDid You Know?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1316\" data-end=\"1781\"\u003ePhenolphthalein remains colorless in acidic and neutral solutions but turns a vivid pink in basic environments, making it one of the most recognizable indicators in chemistry. This dramatic shift allows students to visually pinpoint the exact moment a reaction reaches its endpoint during titrations. The compound has also played a role in the historical development of analytical chemistry, helping standardize quantitative acid–base measurements still used today.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":43245258899656,"sku":"","price":6.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/IMG_2355.jpg?v=1708702910"},{"product_id":"cover-glass","title":"Microscope Cover Glass","description":"\u003cp data-start=\"137\" data-end=\"197\"\u003e\u003cstrong data-start=\"137\" data-end=\"197\"\u003eMicroscope Cover Glass or Coverslides – 22 × 22 mm Squares (Box of 100)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"199\" data-end=\"498\"\u003eThese microscope cover glass squares are essential accessories for preparing clean, reliable microscope slides. Each box contains \u003cstrong data-start=\"333\" data-end=\"368\"\u003e100 precision-cut cover glasses\u003c\/strong\u003e, measuring \u003cstrong data-start=\"380\" data-end=\"394\"\u003e22 × 22 mm\u003c\/strong\u003e, making them ideal for protecting specimens and improving image clarity during microscopic observation.\u003c\/p\u003e\n\u003cp data-start=\"500\" data-end=\"795\"\u003eDesigned to sit flat over samples, cover glass helps \u003cstrong data-start=\"553\" data-end=\"598\"\u003eprevent contamination, reduce evaporation\u003c\/strong\u003e, and protect microscope objectives while ensuring even light transmission. The thin, uniform construction allows for clear viewing of specimens in biology, chemistry, and general science labs.\u003c\/p\u003e\n\u003cp data-start=\"797\" data-end=\"1021\"\u003eCommonly used in\u003cstrong\u003e \u003c\/strong\u003eeducational settings, student laboratories, and routine microscopy, these cover glasses are compatible with standard microscope slides and are suitable for a wide range of wet and dry mount applications. Some may refer to them as coverslips or coverslides.\u003c\/p\u003e\n\u003cp data-start=\"1023\" data-end=\"1036\"\u003e\u003cstrong data-start=\"1023\" data-end=\"1036\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1037\" data-end=\"1253\"\u003e\n\u003cli data-start=\"1037\" data-end=\"1063\"\u003e\n\u003cp data-start=\"1039\" data-end=\"1063\"\u003eQuantity: Box of 100\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1064\" data-end=\"1086\"\u003e\n\u003cp data-start=\"1066\" data-end=\"1086\"\u003eSize: 22 × 22 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1087\" data-end=\"1118\"\u003e\n\u003cp data-start=\"1089\" data-end=\"1118\"\u003eSquare microscope coverslides\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1119\" data-end=\"1167\"\u003e\n\u003cp data-start=\"1121\" data-end=\"1167\"\u003eEnhances specimen clarity and slide protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1168\" data-end=\"1212\"\u003e\n\u003cp data-start=\"1170\" data-end=\"1212\"\u003eCompatible with standard microscope slides\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1213\" data-end=\"1253\"\u003e\n\u003cp data-start=\"1215\" data-end=\"1253\"\u003eIdeal for classroom and laboratory use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":43878499025096,"sku":"A00037","price":1.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/CoverGlasspic_2024-06-27T14_58_36.142Z.png?v=1719500318"},{"product_id":"calcium-chloride-1","title":"Calcium Chloride 100g","description":"\u003cp data-start=\"202\" data-end=\"258\"\u003e\u003cstrong data-start=\"202\" data-end=\"258\"\u003eCalcium Chloride in a 100 g bottle for laboratory use.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"260\" data-end=\"791\"\u003ePerform a wide range of chemistry experiments with our calcium chloride, supplied for dependable laboratory and educational use. This highly soluble ionic compound is commonly used in thermochemistry experiments, solution preparation, drying applications, and studies of exothermic dissolution. Calcium chloride is also valuable for demonstrating hygroscopic behavior, as it readily absorbs moisture from the air. The 100 g bottle provides an ample quantity for repeated classroom activities and extended laboratory investigations.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemical formula       \u003c\/td\u003e\n\u003ctd\u003eCaCl₂\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormula weight\u003c\/td\u003e\n\u003ctd\u003e110.98 g\/mol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAS number\u003c\/td\u003e\n\u003ctd\u003e10043-52-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharacteristics\u003c\/td\u003e\n\u003ctd\u003eWhite crystalline solid; odorless; hygroscopic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical state\u003c\/td\u003e\n\u003ctd\u003eSolid; crystalline or granular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage code\u003c\/td\u003e\n\u003ctd\u003eGreen — general storage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-start=\"260\" data-end=\"791\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"1202\" data-end=\"1219\"\u003e\u003cstrong data-start=\"1202\" data-end=\"1219\"\u003eDid You Know?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1221\" data-end=\"1668\"\u003eCalcium chloride releases a noticeable amount of heat when it dissolves in water, making it a favorite for demonstrating exothermic processes in chemistry classrooms. This same property is why it is used in commercial de-icing products and moisture control systems. In the laboratory, its strong attraction to water allows students to observe how some substances actively interact with their environment rather than remaining chemically “passive.”\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":44556454428872,"sku":"","price":7.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/Calcium_Chloride_100g.png?v=1769120570"},{"product_id":"burette-clamp","title":"Burette Clamp","description":"\u003cdiv class=\"relative basis-auto flex-col -mb-(--composer-overlap-px) [--composer-overlap-px:28px] grow flex\"\u003e\n\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:f225e05c-0efb-45c3-9e35-a89749c3b8af-38\" data-testid=\"conversation-turn-78\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"77162f3a-4d43-4b21-90a7-442623f7aece\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"42\" data-end=\"105\"\u003e\u003cstrong data-start=\"42\" data-end=\"105\"\u003eLaboratory Plastic Burette Clamp – Secure Titration Support\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"107\" data-end=\"422\"\u003eThe Plastic Burette Clamp is a lightweight, durable clamp designed to securely hold burettes during titration experiments in homeschool and classroom chemistry labs. Ideal for structured quantitative analysis, this clamp helps maintain stability and precision when measuring and dispensing solutions.\u003c\/p\u003e\n\u003cp data-start=\"424\" data-end=\"653\"\u003eConstructed from chemical-resistant plastic, it provides firm grip support while reducing the risk of glass damage. The adjustable tightening mechanism allows easy attachment to standard laboratory support stands and retort rods.\u003c\/p\u003e\n\u003cp data-start=\"655\" data-end=\"672\"\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"674\" data-end=\"936\"\u003e\n\u003cli data-start=\"674\" data-end=\"726\"\u003e\n\u003cp data-start=\"676\" data-end=\"726\"\u003eDurable, chemical-resistant plastic construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"727\" data-end=\"780\"\u003e\n\u003cp data-start=\"729\" data-end=\"780\"\u003eDesigned to securely hold standard glass burettes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"781\" data-end=\"823\"\u003e\n\u003cp data-start=\"783\" data-end=\"823\"\u003eAdjustable grip for stable positioning\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"824\" data-end=\"876\"\u003e\n\u003cp data-start=\"826\" data-end=\"876\"\u003eCompatible with common laboratory support stands\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"877\" data-end=\"936\"\u003e\n\u003cp data-start=\"879\" data-end=\"936\"\u003eIdeal for titration and volumetric analysis experiments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"938\" data-end=\"1105\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eAn essential supply for homeschool chemistry curriculum, co-ops, and classroom laboratories conducting acid-base titrations and other controlled solution measurements. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":44556472582344,"sku":"A00477","price":7.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/buretteclamp.jpg?v=1742835964"},{"product_id":"hydrogen-peroxide","title":"Hydrogen Peroxide - 30% Concentration","description":"\u003cp data-end=\"281\" data-start=\"230\"\u003e\u003cstrong data-end=\"281\" data-start=\"230\"\u003e30 mL Bottle of 30% Hydrogen Peroxide Chemical.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"815\" data-start=\"283\"\u003eConduct powerful oxidation and decomposition experiments with our 30% hydrogen peroxide solution, formulated for precision and laboratory reliability. This high-concentration oxidizer is commonly used in redox reactions, catalysis studies, reaction kinetics, bleaching experiments, and controlled oxygen generation in educational and experimental settings. Due to its strength, it is intended for supervised laboratory use. The 30 mL bottle provides a practical volume for demonstrations and advanced chemistry experiments.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemical formula     \u003c\/td\u003e\n\u003ctd\u003eH₂O₂\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormula weight \u003c\/td\u003e\n\u003ctd\u003e34.01 g\/mol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAS number\u003c\/td\u003e\n\u003ctd\u003e7722-84-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharacteristics\u003c\/td\u003e\n\u003ctd\u003eClear, colorless liquid; strong oxidizing agent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical state\u003c\/td\u003e\n\u003ctd\u003eLiquid solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage code\u003c\/td\u003e\n\u003ctd\u003eYellow — oxidizer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-end=\"815\" data-start=\"283\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"1220\" data-start=\"1203\"\u003e\u003cstrong data-end=\"1220\" data-start=\"1203\"\u003eDid You Know?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1784\" data-start=\"1222\"\u003eHydrogen peroxide is the key ingredient behind the famous “elephant toothpaste” experiment, where rapid decomposition releases large volumes of oxygen gas and foam in a dramatic visual display. At higher concentrations like 30%, this reaction vividly demonstrates catalysis, reaction rates, and exothermic processes. Beyond the classroom, hydrogen peroxide is used in propulsion systems, environmental remediation, and industrial chemical synthesis. \u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":44556476383432,"sku":"A00219","price":6.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/hydrogenperoxide.jpg?v=1742836210"},{"product_id":"burner-stand","title":"Burner Stand","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6997505d-df94-832b-a9ec-aa3692137010-8\" data-testid=\"conversation-turn-106\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"4a2d287b-bf49-451c-b5a4-081d68d61b0b\" dir=\"auto\" data-message-model-slug=\"gpt-5-2\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"56\"\u003e\u003cstrong data-start=\"0\" data-end=\"56\"\u003eLaboratory Wire Stand – Support for Beakers \u0026amp; Flasks\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"58\" data-end=\"310\"\u003eThe Laboratory Wire Stand is a durable support platform designed for use over a butane burner in homeschool and classroom chemistry labs. Built to withstand direct heat, this stand provides stable elevation for heating glassware during experiments.\u003c\/p\u003e\n\u003cp data-start=\"312\" data-end=\"584\"\u003eIts open wire design allows for even heat distribution while securely holding a variety of beakers and Erlenmeyer flasks. Ideal for phase change demonstrations, solution preparation, and controlled heating activities, this stand supports safe and efficient lab procedures.\u003c\/p\u003e\n\u003cp data-start=\"586\" data-end=\"603\"\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"605\" data-end=\"800\"\u003e\n\u003cli data-start=\"605\" data-end=\"641\"\u003e\n\u003cp data-start=\"607\" data-end=\"641\"\u003eHeat-resistant wire construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"642\" data-end=\"682\"\u003e\n\u003cp data-start=\"644\" data-end=\"682\"\u003eDesigned for use over butane burners\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"683\" data-end=\"725\"\u003e\n\u003cp data-start=\"685\" data-end=\"725\"\u003eSupports beakers and Erlenmeyer flasks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"726\" data-end=\"757\"\u003e\n\u003cp data-start=\"728\" data-end=\"757\"\u003ePromotes even heat exposure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"758\" data-end=\"800\"\u003e\n\u003cp data-start=\"760\" data-end=\"800\"\u003eSuitable for chemistry lab experiments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"802\" data-end=\"996\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eA practical addition to any structured chemistry curriculum, this wire stand helps students safely conduct heating experiments in homeschool programs, co-ops, and classroom science laboratories.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":44556480676040,"sku":"","price":3.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/burnerstand.jpg?v=1742836348"}],"url":"https:\/\/cornerstone-edsupply.com\/collections\/chemistry.oembed?page=6","provider":"Cornerstone Educational Supply","version":"1.0","type":"link"}