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

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

Learners construct and launch paper helicopters.

Learners build and investigate pendulums of different lengths. They discover that the longer the string of the pendulum, the longer the time it takes to swing.

Learners engage in close observation of falling objects. They determine it is the amount of air resistance, not the weight of an object, which determines how quickly an object falls.

Learners examine collisions between two skateboards carrying different masses. They learn about conservation of momentum in collisions.

Using simple, inexpensive items, learners build and test submarine models.

Learners investigate stress and strain by designing, building, and testing beams made from polymer clay.

Learners build at least two different spinners (tops) to investigate how mass distribution, size, and shape affect the length of time the spinner spins.