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Scientists use enormous wind tunnels to test the design of planes, helicopters, even the Space Shuttle.

In this outdoor activity, learners investigate the relationship between the slope of a trail and soil erosion.

In this outdoor activity and game, learners explore how animals adapt for survival through coloration, markings and camouflage.

In this outdoor activity, learners simulate an oil spill using popcorn (both oil and popcorn float on water), and estimate the spill's impact on the environment.

In this outdoor activity, learners design devices that will catch prey or gather plants.

In this outdoor activity, learners plan a simple foot path and create an environmental impact study of the natural area where the path would be.