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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.

Learners build simple catapults and use them to launch cotton balls.

In this activity, learners explore force and motion by constructing cardboard cars that are propelled by balloons.

In this design challenge activity, learners modify a cup so it can carry a marble down a zip line and also drop it onto a target.