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Plant Power
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In this chemistry challenge, learners identify which plants have the enzyme "catalase" that breaks hydrogen peroxide into water and oxygen.
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Hot and Cold
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In this chemistry challenge, learners discover that many chemical reactions involve heat loss or gain.
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Disappearing Colors
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In this challenge, learners figure out how to make a juice stain disappear.
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Chemistry Makes Scents
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In "Chemistry Makes Scents," participants use their noses to distinguish between chemicals with very similar structures.