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In this activity, learners explore how the pendulum has been a reliable way to keep time for centuries.

Over $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners build a simple mechanism that regulates the "escape" of energy released by a falling weight by portioning it into discrete amounts.

$1 - $5 per student Ages 11 - 18 45 to 60 minutes