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In this demonstration about force and motion, learners will explore the forces that affect a pendulum A simple model pendulum comprised of a ball and string demonstrates how pendulums work as well as

$1 - $5 per student Ages 4 - 11 5 to 10 minutes
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Students design and build their own parachutes in this hands-on engineering project.

$1 - $5 per group Ages 6 - 11 45 to 60 minutes