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Balloon Car
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In this physics activity, challenge learners to make and race a balloon-powered car. Learners construct the body out of a paper cup, wheels out of wooden spools. and fuel tank out of a balloon.

Forces on the Human Molecule
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In this physical activity, two lines of learners link hands and arms to model a beam subject to various loading schemes.

Stretching Wires
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In this activity, learners determine the elastic and plastic properties of different types of metal wires.
Balloon Surprise
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In this activity, learners discover a trick to release the air out of a balloon without popping it.