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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.

$1 - $5 per student Ages 4 - 14 10 to 30 minutes
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In this activity, learners design, build and test wind turbines. Learners go through the design process and use the scientific method to test important blade variables.

Over $20 per group Ages 8 - 18 2 to 4 hours
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Build a car that runs on air. Using household materials, experiment with the power of air to create thrust powerful enough to move a homemade car.

$1 - $5 per student Ages 4 - 11 5 to 10 minutes