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In this activity, learners explore liquid crystal thermometers to observe how heat flows by conduction, convection, radiation, and evaporation.

$5 - $10 per student Ages 11 - 18 45 to 60 minutes

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Can gelatin (like Jell-O ®) change the speed of light?

$5 - $10 per group Ages 14 - 18 1 to 2 hours