"bouteille de gaz"

Demonstrate the conversion of mechanical energy into electrical energy by generating a static charge.

Pieces of 2.5mm thick solid plastic have fractional values are printed on each tile.

You can use these multi-colored dice for games, exercises in probability, basic operations, fractions, statistics, practicing and strengthening mental calculations, and more.

This excellent quality electrostatic generator consists of a charge generation system, an aluminum collector sphere, and an electric motor drive on a sturdy base.

Test your student's geology skills with this educational and fun activity. Students receive a bag of unlabeled rock specimens, then must test for physical and chemical properties in order to identify each rock sample. The easy-to-follow flowchart aids students in their classification decisions.

Simulate the cyclonic motion of a twister.

All in one unit for studying pressure, temperature and volume of a gas and to demonstrate the relationship between them.

Elements, Compounds and Mixtures are Clearly Demonstrated with this Particle Diagram.

This large Van de Graff generator uniquely offers alternative drive modes, either hand-cranked or motor driven.

Multifunction Capability in One Affordable Instrument