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This is an activity (located on page 4 of the PDF under Surface Area Activity) about surface area and reactivity.

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

In this activity, learners create a colorful foam fountain by adding yeast to a chemical reaction. This activity introduces chemical reactions to young learners and teaches the concept of catalysts.

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