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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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Learners investigate how drag affects the falling rate of objects.

1 cent - $1 per group Ages 11 - 14 45 to 60 minutes
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Learners build at least two different spinners (tops) to investigate how mass distribution, size, and shape affect the length of time the spinner spins.

1 cent - $1 per student Ages 11 - 18 30 to 45 minutes
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Learners conduct four simple experiments to demonstrate the effects of air pressure.

1 cent - $1 per student Ages 11 - 14 30 to 45 minutes