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Measuring Biodiversity
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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.
Wetlands
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Learners create a model of a wetland to observe how it absorbs and filters water from the environment.
What's in the Water?: Biotic and Abiotic Elements in Aquatic Ecosystems
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In this investigation learners explore the differences between, and interdependence of, living and nonliving elements in a water ecosystem.
Cactus Wheel
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In this outdoor activity/field trip, learners explore the concept of population density.