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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.

Learners observe projectile motion by launching wooden balls off of a table top. They set up a rubber-band launcher so that each ball experiences a consistent amount of force.

In this design challenge activity, learners build a rubber band-powered rover that can scramble across the room.

In this activity, learners work in groups to design a parachute out of household items that keeps an egg secure when dropped from a certain height.