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In this activity/demo about piezoelectricity, learners discover how some crystals produce electricity when squeezed.

This activity requires a Pico Cricket (tiny computer). Learners work on designing and building a sound sensor out of household materials, like plastic wrap and cardboard.

This is a series of demonstrations about different electrical and magnetic phenomena.

In this activity, learners use a compass, powerful magnet, and copper magnet wire to build a special generator known as a dynamo.