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Hold a Hill
Source Institutions
In this outdoor activity, learners investigate the relationship between the slope of a trail and soil erosion.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-460.jpg?itok=TIUyWvZh)
LEGO Orrery
Source Institutions
Use this model to demonstrate the goal of NASA's Kepler Mission: to find extrasolar planets through the transit method.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-289.png?itok=b9p-C7DZ)
Temperature vs. Height: Soda Geyser Series #6
Source Institutions
In this activity, learners conduct a controlled experiment to examine how temperature will affect the height of a soda geyser.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-220.jpg?itok=a-RO4Ga2)
Rocket Wind Tunnel
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In this activity, learners evaluate the potential performance of air rockets placed inside a wind tunnel.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-905.jpg?itok=FofB2CXb)
Map That Habitat
Source Institutions
Historically, sea floor mapping (bathymetry) was done by soundings.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-290.png?itok=01QILuIJ)
Number of Mentos vs. Height: Soda Geyser Series #5
Source Institutions
In this activity, learners conduct a controlled experiment to examine how many Mentos are needed to make the tallest possible soda geyser.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-291.jpg?itok=_C1Pw06G)
Soda Brand vs. Height Experiment: Soda Geyser Series #4
Source Institutions
In this activity, learners conduct a controlled experiment to examine which brand of soda makes the best (highest) soda geyser.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-239.png?itok=HNOLB5T_)
Trail Construction
Source Institutions
In this highly physical outdoor activity, learners construct and compare experimental trail sections to select the best trail-construction technique for their site.