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Learners cut and fold a paper helicopter from the template in this PDF. They practice twirling the helicopter and observe what happens as they modify their tries.

Scientists use enormous wind tunnels to test the design of planes, helicopters, even the Space Shuttle.

Learners trace, cut out and fly a boomerang, outdoors or in a large indoor space.

In this outdoor activity, learners race small boats, made of cork, balsa wood, popsicle sticks etc., to investigate the rate and direction of currents in a stream or creek.