Talc is a clay mineral that, along with corn starch, was the primary ingredient of baby powders, often called simply talcum powder when talc was the main agent. Talc is aso notable for its identificaion as the lowest possible hardness on the Moh's scale. With a value of 1, talc is so soft that it can be scratched by a finger nail.
Included: one 1" chunk of talc
This 10 inch realistic model has removable organs that can be studied and set back into the correct position!
Build a hand that realistically moves its fingers using shape memory allow technology!
This microscope is so versatile you can even take it with you on a job site!
This kit will get your paper plane ready for takeoff!
Use this temperature-controlled soldering station for a variety of soldering applications!
Heavy-duty microscope for high-school and college biology labs. Magnification of up to 1000X.