Includes Classical Conversations Cycle 2 Lessons for Week 9. Rockets are a GREAT way to introduce student to physics....
Includes Classical Conversations Cycle 2 Lessons for Week 4. In this pair of activities, students will first explore the...
Includes Classical Conversations Cycle 3 Lessons for Week 16. What happens when chemical “opposites” react? We’ll explore the chemistry...
Includes Classical Conversations Cycle 3 Lessons for Week 15. Why do some things sink and others float? In this...
Includes Classical Conversations Cycle 3 Lessons for Week 14. Over 2,200 years ago a brilliant mathematician was asked to...
$1.00
Small test tube brush with nylon bristles and galvanized iron wire. The brush size is 4" long and...
$1.00
A 12-inch (30 cm), clear, plastic, ruler.  Useful for measuring a variety of items to ensure an accurate...
$12.00
Azurite is a copper mineral featuring distinctive blue crystals. This large specimen makes a beautiful display, and each is...
$8.50
The sheep kidney is a great, low-cost option for exploring this important organ of the excretory system.
Made of clear acrylic, this 50-ml burette allows you to carefully control the volume of liquid added to...
$150.00$119.95
Outfit your future paleontologists for success with this fantastic pack of supplies! The Fossil Explorer Pack includes the...
$5.00
You never know what you'll find in Cornerstone's Mystery Bag! Nestled inside are fossils, rocks, and minerals just...
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