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Learners use a variety of beans to represent a variety of species, and scatter these beans over a large piece of paper representing the environment.

During this interactive "survival" game, students learn about the importance of camouflage and how it helps animals to blend into their surroundings, as either predator or prey.

Learners create a model of a wetland to observe how it absorbs and filters water from the environment.

In this investigation learners explore the differences between, and interdependence of, living and nonliving elements in a water ecosystem.

In this outdoor activity/field trip, learners explore the concept of population density.

In this data analysis and environmental science activity, learners examine the effects of pollution on amphipods using data from the Chesapeake Ecotox Research Program.