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

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

In this activity, learners model the flow of energy from the sun as it enters a photovoltaic cell, moves along a wire and powers a load.

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