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In this activity, learners explore the physics of impact craters from their own backyard using mud. Learners are encouraged to match features of real impact craters to their models.

free Ages 6 - 14 10 to 30 minutes
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In this activity, learners will train to improve lung, heart, and other muscle endurance as they walk a progressive, measured distance.

free Ages 8 - 14 1 to 4 weeks