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In this chemistry challenge, learners discover that many chemical reactions involve heat loss or gain.

In this activity, learners will experiment with catalysts to create an at-home version of elephant toothpaste.

In this activity, learners test what happens when they put baking power on different frozen liquids.

In this activity, learners explore the concepts of density and basic chemical reactions as they create a homemade lava lamp effect using water, oil, food coloring, and Alka-Seltzer tablets.

In this activity, learners create their own experiment and test which of 4 mixtures of household chemicals turn pennies green over 5 days.