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In this physics activity, learners will explore the concept of buoyancy, especially as it relates to density.

$1 - $5 per group Ages 6 - 11 10 to 30 minutes
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In this activity, learners will investigate how craters are made and the different factors that contribute to size left from the impact.

$1 - $5 per group Ages 4 - 14 10 to 30 minutes