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

In this activity, learners construct models of plants that are adapted to living under specific environmental conditions.

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 race small boats, made of cork, balsa wood, popsicle sticks etc., to investigate the rate and direction of currents in a stream or creek.

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.

In this activity, learners make their own Sun tracker to explore how ancient civilizations around the world studied the Sun.

In this outdoor activity, learners go "can fishing" and discover the kinds of aquatic organisms that live in and on submerged cans.

In this highly physical outdoor activity, learners construct and compare experimental trail sections to select the best trail-construction technique for their site.