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In this activity, learners build a hovercraft using a paper plate, cup, and simple motor.

In this activity, learners simulate Otto von Guericke's famous Magdeburg Hemispheres experiment.

In this environmental engineering activity, learners build windmills using everyday items. The first challenge is to build windmills that spin when placed in front of a fan.

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.

In this activity, learners design, build, test and redesign a display tower that will meet a specific set of criteria and constraints.