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Showing results 41 to 46 of 46
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Sawing Away
Source Institutions
In this outdoor activity, learners saw sections from fallen trees, then count tree rings and look closely at patterns of tree growth.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-832.png?itok=UfVarLBF)
Can Fishing
Source Institutions
In this outdoor activity, learners go "can fishing" and discover the kinds of aquatic organisms that live in and on submerged cans.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-787.jpg?itok=Yo3XI56d)
Clear Water, Murky Water
Source Institutions
How do scientists measure how clear or murky water in a lake is? How does water clarity (clearness) affect what lives in the lake?
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-895.png?itok=dZZ5aV4s)
Water Breathers
Source Institutions
In this activity and/or field trip, learners investigate the water currents that aquatic animals create when they breathe, feed, and propel themselves through water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-535.jpg?itok=Ln6vulKF)
Delivery Capsules
Source Institutions
Learners make self-assembled polymer spheres as a model for the lipid nanoparticles found in COVID-19 mRNA vaccines.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-896.png?itok=7NqDIqZ7)
Habitats of the Pond
Source Institutions
In this outdoor activity/field trip, learners locate and study plants and animals in several freshwater pond habitats.