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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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Is this activity concentrating on physical science, learners build their very own miniature hovercraft out of a paper cup. Using it, they can explore the concepts of friction and force.

1 cent - $1 per student Ages 6 - 18 10 to 30 minutes