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Bridge the Gap
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Learners work in groups to construct bridges using stale marshmallows and toothpicks.
Draggin' Boats
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Learners design, build, and test models of "dragon boats" made from up to three milk cartons.
Design a Submarine
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Learners act as engineers and design mini submarines that move in the water like real submarines.
Soapy Boat
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Learners discover that soap can be used to power a boat. Learners make a simple, flat boat model, put it in water, and then add a drop of detergent at the back of the boat.
Pop Can "Hero Engine"
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In this activity, learners build water-propelled engines from soft drink cans.
Build A Hydrometer
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In this activity, learners will explore how a hydrometer works by building a working model and conducting experiments.
Water Motor
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In this physics activity (page 10 of the PDF), learners will explore how energy from moving water can be used.