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Perform this classic inertia demonstration to illustrate the transfer of potential energy to kinetic energy.

$1 - $5 per group Ages 6 - 18 Under 5 minutes
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Learners engage in close observation of falling objects. They determine it is the amount of air resistance, not the weight of an object, which determines how quickly an object falls.

$1 - $5 per group Ages 11 - 18 30 to 45 minutes
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In this demonstration/activity, learners observe as a regular size marshmallow is blown through a tube made from a manila file folder.

$1 - $5 per group Ages 8 - 18 10 to 30 minutes