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In this activity and demonstration about electricity and magnetism, learners observe how the current generated when one copper coil swings through a magnetic field starts a second coil swinging.

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.

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