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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 a lever and use it to lift a load. With the load on one end of the ruler, learners add coins to the effort cup at the other end until the load is lifted.

Learners construct and launch paper helicopters.

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