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On Target
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In this design challenge activity, learners modify a cup so it can carry a marble down a zip line and also drop it onto a target.
The Parachuting Egg
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In this activity, learners work in groups to design a parachute out of household items that keeps an egg secure when dropped from a certain height.
Balloon Car
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In this activity, learners explore force and motion by constructing cardboard cars that are propelled by balloons.