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Pop Can "Hero Engine"
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In this activity, learners build water-propelled engines from soft drink cans.
Levers at Play
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In this activity, learners consider how a simple machine, a lever, turns a small push or pull (a small force) into a larger--or stronger--push or pull (a larger force).
Draggin' Boats
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Learners design, build, and test models of "dragon boats" made from up to three milk cartons.