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Learners build a can that automatically returns after being rolled away. The can has a rubber band inside that stores energy as the can rolls one direction.

Learners build a wind turbine and test it to see how much energy is created.

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

Learners design and build a roller coaster using simple materials. Learners experiment with potential and kinetic energy to get a marble to follow a track into a cup.