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Learners color and cut out a spiral-shaped snake. When they hang their snake over a radiator, the snake spins.

free Ages 8 - 14 10 to 30 minutes
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In this activity, learners model atmospheric convection currents using food coloring, water, and clear cups. Activity includes step-by-step instructions, STEM connections, and more.

$1 - $5 per group Ages 4 - 18 5 to 10 minutes
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In this activity, learners explore how engineers have met the challenge of keeping foods, liquids, and other items cool.

$10 - $20 per group Ages 8 - 18 1 to 2 hours