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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 four-part activity, learners explore how the body works and the chemistry that happens inside living things.

Learners observe different light sources, outdoors and indoors, using prism glasses (diffraction glasses) and color filters.

In this activity with several mini experiments, learners explore the chemistry that helps scientists learn about the environment and how they can help save it.

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 four-part activity, learners explore light and sound through a variety of hands-on investigations.

This activity teaches combustion as the interaction of a fuel source and oxygen.