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

In this activity about electricity, learners build and test a paper clip switch to turn on a light bulb.

In this activity related to magnetism and electricity, learners observe as two parallel, current-carrying wires exert forces on each other.

In this activity related to magnetism and electricity, learners create a magnetic field that's stronger than the Earth's magnetic field.