These 1/4 inch thick glass plates are ideal for testing the hardness or softness of minerals. By scratching the mineral in question against the plates, students or teachers can determine these properties by observing the quantity of residue left behind. Excellent for use in the classroom, or at home for aspiring geologists.
Create beautiful art with this amazing sun paper!
You don’t think recycling is cool? Get a look at this, we’re sure you’ll change your mind!
This superb chemistry set features 350 mind-boggling experiments!
Build a model green house and 9 other green energy-related devices with this great kit!
Learn Chemistry While Creating Sweet Treats
This is a great clean heat demonstration model for the classroom setting!
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