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In this activity, learners build helicopters and launchers using wooden dowels and scrap paper. Use this activity to explore rotational motion and kinetic and potential energy.

In this physics activity, learners construct a small-scale version of a classic carnival game.

In this exploratory activity, learners experiment, observe and determine how various toys change from one form of energy to another.

In this activity, learners build styrofoam boats powered by twisted rubber bands.

In this design challenge activity follow up to "Kicking Machine", learners add a hands-free feature to their Kicking Machine.

In this design challenge activity, learners build a machine that kicks a Ping-Pong ball into a cup lying on its side 12 inches away.