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In this activity, learners are challenged to design, build and test a birdhouse that will stay cool in the sun.

In this physical sciences activity, learners explore how passive solar design increases energy efficiency.

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

In this activity, learners explore the difference between compact fluorescent light (CFL) bulbs and traditional incandescent bulbs.