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

In this electrochemistry activity, young learners and adult helpers create a battery from a potato to run a clock.

As a group, learners investigate three packages which are all the same size and shape, but have different contents. One is filled with foam, one is filled with wood, and one is filled with metal.

In this activity, learners discover how a cabbage juice indicator helps identify acids and bases, and how iodine indicates the presence of starch.

In this activity, learners describe an object they can’t see. After someone picks outs a few mystery objects and places them in a pillowcase, learners will investigate using only their hands.