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In this activity, learners explore how the power of the sun can be harnessed to heat and cool a building.

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

Learners follow directions to construct a solar oven that really cooks! The solar oven uses aluminum foil to reflect sunlight into a cooking chamber, which is painted black.

Learners will build and experiment with their own windmills made from simple household materials.

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

Learners follow directions to construct a water-powered electrical generator using a turbine made from plastic spoons.