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    Community Science Workshop Network
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    In this activity, learners experiment with the density of ice, water, and oil. Learners will discover that the density of a liquid determines whether it will float above or sink below another...

    $1 - $5 per student Ages 6 - 11 10 to 30 minutes
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    Community Science Workshop Network
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    In this activity, learners experiment with hydrogen peroxide, vinegar, yeast, and baking soda to produce hot and cold reactions. Use this activity to demonstrate exothermic and endothermic reactions.

    $5 - $10 per student Ages 8 - 18 10 to 30 minutes

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