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In this activity, learners model ancient lunar impacts using water balloons.

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

In this design challenge activity, learners build a rubber band-powered rover that can scramble across the room.

In this activity, learners measure the diameter of their water balloons, model an impact, measure the diameter of the “crater” area, and determine the ratio of impactor to crater.