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In this activity, learners will experiment with density and chemical reactions to create a flurry activity.

$1 - $5 per student Ages 4 - 11 5 to 10 minutes
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In this quick activity/demonstration about density, learners examine what happens when two cans of root beer--one diet and one regular--are placed in a large container of water.

1 cent - $1 per group Ages 4 - 14 Under 5 minutes
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In this activity, learners create a kind of balance device using a wire coat hanger, some string, and paper cups.

1 cent - $1 per group Ages 4 - 11 10 to 30 minutes
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In this activity, learners will explore saturated solutions and discover how crystals form.

$1 - $5 per student Ages 4 - 14 10 to 30 minutes
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In this activity, learners explore the concept of density by pouring 5 different liquids into a jar. Food coloring is added if needed to give each liquid a distinct color.

$1 - $5 per student Ages 4 - 14 5 to 10 minutes