"live microorganisms"

Students Apply Science Principles and Relate the Conclusion to a Criminal Investigation

A set to demonstrate the rise in temperature when a fixed mass of gas is compressed.

Dramatically Demonstrate that Temperature Increases with Pressure

Common geological materials conveniently packaged for lab, classroom, or industrial use.

Demonstrate magnetic fields on your desk or overhead with this clear container of iron fillings. Using magnets, you can show students how the fillings move and cluster together.

Learn the Principles of Forensic Odontology

Pieces of reusable zinc-plated iron wire for magnetic field experiments.

Expertly designed, two-part geology model showcasing cave features with labeled details and hand-painted for accuracy.

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

Kick start your composter.