This large chunk of Moscovite Mica, 2-3 inches in diameter, is great for any mineral collection.
A common rock-forming silicate, generally colorless and ranking No. 4 on the Mohs scale of hardness. It has a variable chemical composition of potassium, magnesium, silicon, and oxygen, with water in its crytalline structure. Large, clear plates of mica where once commonly used for windows, but more often used as an insulator.
This classic device is used to demonstrate the conservation of mechanical energy.
Is it a demonstration of a scientific law or a work of art?
Build a robot that's an artist too!
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
Learn all about the science of light, optics and visual perception with this wonderful kit!
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!