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Learners set up books with rubber bands stretched between the books. When two identical books are stretched apart and released, they move back toward each other an equal distance.

In this activity, learners construct a simple game to test their hand-eye coordination and steadiness of hand.

To learn how friction affects motion, learners build a measurement tool from a rubber band and other simple materials.

Learners build a simple hovercraft using air from a balloon to levitate a craft made from a compact disc (CD).

Learners construct a rocket from a balloon propelled along a guide string.

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.

Learners attach an egg to a rubber-band bungee cord and drop the egg.

In this design challenge activity, learners build a tower that can support a tennis ball at least 18 inches off the ground while withstanding the wind from a fan.

Learners conduct four simple experiments to demonstrate the effects of air pressure.

In this activity, learners use a pencil, magnets, and mat board to illustrate Newton's Second Law.

Experiment with force and pressure by building a balloon rocket. When launched, the balloon will run a track wherever you place the string.