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

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

In this activity, learners conduct a controlled experiment to examine how temperature will affect the height of a soda geyser.

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

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

In this activity, learners conduct a controlled experiment to examine how many Mentos are needed to make the tallest possible soda geyser.

In this activity, learners conduct a controlled experiment to examine which brand of soda makes the best (highest) soda geyser.

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