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Learners drop two different masses of play dough and observe how long it takes them to hit the ground.

$1 - $5 per student Ages 11 - 14 30 to 45 minutes
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Learners examine collisions between two skateboards carrying different masses. They learn about conservation of momentum in collisions.

free Ages 11 - 18 30 to 45 minutes
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Build a pinwheel that works without wind! This activity contains steps on how to build a parachuting pinwheel out of paper, a film canister, and some brads.

1 cent - $1 per student Ages 4 - 8 30 to 45 minutes