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

This activity investigates how bark beetles can threaten forests by having learners estimate the number of infected trees from a photo.

In this activity, learners explore atoms as the smallest building blocks of matter. With adult help, learners start by dividing play dough in half, over and over again.

In this two-part activity, learners explore the properties of liquid crystals, which are responsible for why mood rings change color.