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

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

In this activity, learners evaluate the potential performance of air rockets placed inside a wind tunnel.

In this laboratory experiment, learners explore how effectively different sunscreens protect yeast cells from damage caused by ultraviolet (UV) radiation.