{"product_id":"flask-electroscope","title":"Flask Electroscope","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-aa3692137010-23\" data-testid=\"conversation-turn-262\" 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=\"f6dfdef2-39b6-40f6-94a5-ebbf27210558\" 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=\"72\"\u003e\u003cstrong data-start=\"0\" data-end=\"72\"\u003eFlask-Type Electroscope – Static Electricity Demonstration Apparatus\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"74\" data-end=\"435\"\u003eExplore the fascinating behavior of electric charge with this flask-type electroscope, a classic apparatus used in homeschool and classroom physics labs to detect electric charge and determine polarity. This device allows students to visually observe how electrical charge affects conductive materials, making abstract electrostatic concepts easy to understand.\u003c\/p\u003e\n\u003cp data-start=\"437\" data-end=\"777\"\u003eThe instrument consists of a 250 mL Erlenmeyer flask fitted with a plated metal rod that passes through a rubber stopper and ends in a rounded metal knob. Inside the flask, a pair of lightweight aluminum leaves responds to electrical charge by separating or collapsing, clearly demonstrating the presence and strength of electrostatic forces.\u003c\/p\u003e\n\u003cp data-start=\"779\" data-end=\"795\"\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"797\" data-end=\"987\"\u003e\n\u003cli data-start=\"797\" data-end=\"834\"\u003e\n\u003cp data-start=\"799\" data-end=\"834\"\u003eFlask-type electroscope apparatus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"835\" data-end=\"862\"\u003e\n\u003cp data-start=\"837\" data-end=\"862\"\u003e250 mL Erlenmeyer flask\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"863\" data-end=\"907\"\u003e\n\u003cp data-start=\"865\" data-end=\"907\"\u003ePlated metal rod with 0.75″ (19 mm) knob\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"908\" data-end=\"946\"\u003e\n\u003cp data-start=\"910\" data-end=\"946\"\u003eRubber stopper for secure mounting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"947\" data-end=\"987\"\u003e\n\u003cp data-start=\"949\" data-end=\"987\"\u003eIncludes one pair of aluminum leaves\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"989\" data-end=\"1180\"\u003eThis device is ideal for demonstrations involving static electricity, charge detection, and polarity experiments, helping students visualize electrostatic behavior through direct observation.\u003c\/p\u003e\n\u003cp data-start=\"1182\" data-end=\"1250\"\u003eAdditional aluminum leaves are available separately (Item #3135-02).\u003c\/p\u003e\n\u003cp data-start=\"1252\" data-end=\"1394\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eA valuable addition to homeschool science programs, co-op labs, and classroom physics curriculum exploring electrostatics and electric charge. \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":44996398285000,"sku":null,"price":16.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/ImageComingSoon.png?v=1718129602","url":"https:\/\/cornerstone-edsupply.com\/products\/flask-electroscope","provider":"Cornerstone Educational Supply","version":"1.0","type":"link"}