Search Results
Showing results 1 to 20 of 24
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-829.png?itok=pvVmazG_)
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-000-000-001-828.png?itok=OA8tQTc6)
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-000-000-001-519.png?itok=Jm5Ed5iy)
Water Clean-up
Source Institutions
This is an activity (located on page 3 of the PDF under Water Clean-up Activity) about the use of reduction agents to decontaminate ground water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-322.png?itok=VxBXtOHy)
Invent an Animal
Source Institutions
In this outdoor activity and game, learners explore how animals adapt for survival through coloration, markings and camouflage.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-318.png?itok=GBOcABjZ)
Desert Water Keepers
Source Institutions
In this outdoor, sunny day activity, learners experiment with paper leaf models to discover how some desert plants conserve water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-324.png?itok=goodTb_C)
Flower Powder
Source Institutions
In this outdoor activity, learners use artificial bees and paper models of flowers to find out how bees transfer pollen from one flower to another.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-312.png?itok=2ft9p4Gy)
Bird Beak Buffet
Source Institutions
In this classic activity, learners investigate natural selection by becoming birds foraging for food on an island.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-765.jpg?itok=rKoFGTIl)
Don't Stop for Hitchhikers
Source Institutions
In this activity, learners role-play the part of lake inhabitants and the aquatic exotics who displace the native species.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-317.jpg?itok=9EoY1Tmy)
Salt Water Revival
Source Institutions
In this outdoor activity, learners visit the intertidal zone of a rocky coastal site well populated with marine organisms.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-779.jpg?itok=2gtZWZAU)
Who Dirtied The Water?
Source Institutions
In this activity, learners receive a labeled plastic film canister containing a material representing a pollutant (i.e. pencil shavings = a beaver's wood chips).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-227.png?itok=H8LSNDr4)
OBIS Oil Spill
Source Institutions
In this outdoor activity, learners simulate an oil spill using popcorn (both oil and popcorn float on water), and estimate the spill's impact on the environment.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-578.png?itok=n5fKySp8)
Estuaries
Source Institutions
An estuary is a body of water that is created when freshwater from rivers and streams flows into the saltwater of an ocean.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-018.png?itok=aJGXHd5k)
Plenty on the Plains
Source Institutions
In this activity, learners compare the ways of life of Plains Native Americans who hunted and moved frequently to follow the buffalo herds, and Native Americans who farmed and lived in more permanent
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-344.jpg?itok=29PWb3VC)
Clippy Island: An Investigation into Natural Selection
Source Institutions
In this activity, leaners will observe the process of natural selection on a population of birds called 'Springbeaks' over four seasons of breeding on an isolated environment called 'Clippy Island.' L
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-193.png?itok=aMz-56lB)
Ocean in a Bottle
Source Institutions
In this activity, learners consider how oil spills behave in the ocean and what impact they have on marine wildlife.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-409.jpg?itok=C6aTWT2Y)
Survival of the Fittest: Variations in the Clam Species Clamys sweetus
Source Institutions
This guided inquiry three-part activity engages learners in thinking about the mechanism of natural selection by encouraging them to formulate questions that can be answered through scientific investi
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-407.png?itok=NxG01sIV)
Stream Table
Source Institutions
In this activity, learners use aluminum trays and wooden blocks to form stream tables to investigate river formations in two different landscape scenarios.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-401.jpg?itok=rdUcNibB)
Quick Frozen Critters
Source Institutions
In this activity, learners play an active version of freeze tag based on predator/prey relationships.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-371.png?itok=OUxhnISV)
Nature Walk
Source Institutions
In this activity, learners take an indoor nature walk and discover various objects that have been brought in from the outdoor environment.
![](/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.