Search Results
Showing results 1 to 3 of 3
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-904.png?itok=L6janIB-)
Water Holes to Mini-Ponds
Source Institutions
Dig a hole, line it, fill it with fresh water, and you have a water hole: a good place to study colonization.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-221.jpg?itok=LykqcwS4)
Planaria Fishing
Source Institutions
In this activity, learners capture and observe planaria, which are worms that eat tiny pond critters.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-759.jpg?itok=TxvIMNut)
Tabletop Biosphere
Source Institutions
In this activity, learners create a sealed, mini ecosystem that supplies freshwater shrimp with food, oxygen, and waste processing for at least three months.