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In this activity, learners are challenged to calculate their own weight on various planets using a scale and calculator. Older learners may be challenged to do so without using calculators.

$10 - $20 per group Ages 8 - adult 10 to 30 minutes
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In this activity, challenge learners to predict and investigate how many water drops they can fit on one penny.

free Ages 6 - 11 10 to 30 minutes