"Euglena live"

A thin aluminum coating produces great sensitivity to electrostatic charges. Styrofoam pith-like balls measure 8 mm in diameter and each has a silk suspension cord.

Pulley set to expand your TeacherGeek ideas.

Add more cubelets to your STEM collection.

This diver set expresses the effects of air pressure and buoyancy.

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

Dramatically Demonstrate that Temperature Increases with Pressure

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.

Explore beautiful 3-D patterns created by a magnetic field mess free.

Design and learn how pulleys can transfer force to do work.

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

Design structures that use gears to change the force on an object to do work.

Demonstrates simple circuits with light and sound in a hands-on game building activity.

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

This self-contained apparatus explores wave velocity.

Create and learn how bridges are engineered to make our life easier.

How do things move?