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In this activity, learners predict whether a ball on Earth or a ball on the Moon bounces higher when dropped and why.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this demonstration, learners investigate mass, gravity, and acceleration by dropping a wooden bar with a balloon attached to its underside, a mass suspended from it by rubber bands, and a sharp-poi

$5 - $10 per group Ages 11 - 18 5 to 10 minutes