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In this engineering activity, learners examine bicycle mechanics and gear ratios. Learners determine which gears will help them bike a set course in the shortest amount of time.

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

Learners construct a rocket from a balloon propelled along a guide string.

In this activity, learners determine whether thermal energy can be used for work.

In this project, students explore how levers work, by making a puppet with moving limbs.