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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 discover how solar energy can be used to heat water.

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 engineering activity, learners will get acquainted with the basics of wind energy and power production by fabricating and testing various blade designs for table-top windmills constructed from

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

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