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Bean Bugs
Source Institutions
In this outdoor biology and math activity, learners estimate the size of a population of organisms too numerous to count.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-316.png?itok=UZdKzuvV)
Tree Tally
Source Institutions
In this outdoor activity and fun race, learners first find the most common type of tree in a forest site.
![](/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-000-000-001-833.png?itok=6DwWZoeR)
Trail Impact Study
Source Institutions
In this outdoor activity, learners plan a simple foot path and create an environmental impact study of the natural area where the path would be.