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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-000-000-001-076.png?itok=TFd_f0Yk)
Beach Zonation
Source Institutions
In this outdoor, ocean-side activity, learners investigate the distribution of organisms in the upper region of the intertidal zone.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-230.png?itok=KTkqHzuO)
Terrestrial Hi-Lo Hunt
Source Institutions
In this outdoor activity, learners search for the warmest and coolest, windiest and calmest, wettest and driest, and brightest and darkest spots in an area.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-226.png?itok=jsGwA2Ry)
Super Soil
Source Institutions
In this outdoor activity, learners make their own organic-rich soil. Depending on where this activity is done, learners will probably discover that their local soil is low in organic matter.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-830.png?itok=jqd0vYid)
Great Steamboat Race
Source Institutions
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.