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In this physics activity, learners conduct two experiments to explore free-falling.

In this chemistry challenge, learners identify which plants have the enzyme "catalase" that breaks hydrogen peroxide into water and oxygen.

In this activity, learners will discover how the thin layers of amphibians' skin allow water and other chemicals to pass through it.

"Sublimation Bubbles" allows learners to explore how some solid materials, such as dry ice, can phase change directly from their solid to gaseous form.

In this activity, learners explore how various energy sources can be used to cause a turbine to rotate.