Electricity and Magnetism

Build a battery with your body.

Zap! Produce electric sparks using just a few simple materials.

Learn about simple circuits with a board you build yourself.

Light an LED with five cents.

The attraction and repulsion of magnets produces entrancing, unpredictable motion.

What happens when you blow a fuse?

Big swings from little pulls grow.

Ding dong! This investigation shows how your doorbell works.

Magnetic lines stop here.

Copper coils become electromagnetic swings.

Iron filings trace out magnetic field lines in three dimensions.

Use electrostatic repulsion to suspend tinsel in the air.

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