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Students will learn about Earth's five spheres (geosphere, hydrosphere, cryosphere, atmosphere, and biosphere) and how they interact with one another. First, they will watch two short videos. Then, they will create a graphic organizer while viewing a PowerPoint presentation. Finally, in small groups, they will create a closed terrarium (in a bottle) to represent the biosphere of the Earth. They will investigate how ecological systems achieve balance over time.
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