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Blow-and-Go Parachute
Learners make a skydiver and parachute contraption and launch it. They see that the drag created by air resistance slows the descent of skydivers as they travel back to Earth.
Simple Submarine
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Using simple, inexpensive items, learners build and test submarine models.

Digger
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In this activity, learners build their own construction cranes using tongue depressors and pushpins.