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In this activity, learners explore how wind energy can be generated on both a large and small scale.

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

This online simulation game explores the different consequences of water levels on the Columbia River in the Pacific Northwest.

In this activity, learners explore how watermills have helped harness energy from water through the ages.

In this activity, learners will build an air cannon out of simple materials you can find around the house. Although air is invisible to the eye, it is not by any means empty space!

In this thought-provoking activity, learners plan a hypothetical project to build and operate wind turbines in their community.

In this activity, learners construct cars that are powered by hand-made, electric propellers.