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Corals and Chemistry
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In this activity, learners investigate how increased carbon dioxide (CO2) emissions from the burning of fossil fuels is changing the acidity (pH) of the ocean and affecting coral reefs and other marin
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.
Don't Stop for Hitchhikers
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In this activity, learners role-play the part of lake inhabitants and the aquatic exotics who displace the native species.
Introduction to Ocean Zones
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In this activity, learners will create a diagram of the ocean zones and determine what organisms live in each zone.
Habitable Worlds
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In this group activity, learners consider environmental conditions—temperature, presence of water, atmosphere, sunlight, and chemical composition—on planets and moons in our solar system to determine