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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.
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What's in the Water?: Biotic and Abiotic Elements in Aquatic Ecosystems
Source Institutions
In this investigation learners explore the differences between, and interdependence of, living and nonliving elements in a water ecosystem.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-403.png?itok=DS9m_YX_)
Lilliputian Landscaping
Source Institutions
In this activity, learners examine the different materials gardeners add to their soil, and discuss how these materials are important for plant growth.
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Water Cycle in a Bag
Source Institutions
In this activity, learners create a biosphere in a baggie.