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In this activity, learners build a sled kite that models a type of airfoil called a parawing.

In this online Flash game, learners will captain a sailing challenge, adjusting boat direction and sails, seeking the way to take greatest advantage of varying wind speeds and directions to catch the

In this activity, learners explore moving air and the physics of lift and drag by constructing homemade wind tunnels.

The goal of this activity is to design the fastest sailboat or one that carries the most treasure.