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

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

Use this model to demonstrate the goal of NASA's Kepler Mission: to find extrasolar planets through the transit method.

In this 7-10 day investigation, learners develop an understanding of waves and tides and their motion through discussion, demonstration, and hands-on activities.

In this activity (on page 1 of the PDF under SciGirls Activity: Earthquakes), learners will use a magnifier to carefully examine samples of sand from different locations.

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

In this set of outdoor games, learners increase their awareness of the outdoor environment by going on a scavenger hunt and an out-of-place hunt.

Historically, sea floor mapping (bathymetry) was done by soundings.

This lesson challenges groups of learners to design and construct a wind generator with the most electrical output.

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