Make your own simple speaker so you can listen to your favorite radio station. Just wind a coil, attach it to a cup, hold a magnet nearby, and listen. This activity explores electromagnetism and teaches...

3-5
6-8
9-12

This activity (aka "snack") provides instructions for a motor that elementary and middle school student can build with little or no guidance.

3-5
6-8

In this activity, you'll make an electric motor-a simple version of the electric motors found in toys, tools, and appliances everywhere.

3-5
6-8

In this activity (aka "snack"), the pendulums are made of coils of copper wire and connected to each other in a circuit. When students swing one pendulum over the pole of a magnet, a current is induced...

6-8
9-12

This activity (aka "snack") provides instructions for studying the force a magnet exerts on a current-carrying wire.

6-8
9-12

This activity (aka "snack") provides instructions for making a battery by placing your hands on two different metal surfaces.

6-8
9-12

This activity shows how to turn a dill pickle into a battery.

3-5
6-8
9-12

This activity (aka "snack") provides instructions for making a circuit with variable resistance, a short circuit, or a fuse.

3-5
6-8
9-12

This activity (aka "snack") lets students experiment with different materials to see which will block magnetic field lines.

6-8
9-12

At this exhibit, you spin a disk that causes six magnets to rotate beneath a fine magnetic powder, producing beautifully complex spiral patterns.

6-8
9-12