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

In this activity, learners gain knowledge about how carbon moves through all four of the Earth’s major spheres (biosphere, hydrosphere, atmosphere, and lithosphere), and understand how humans influenc

In this activity, learners examine the different materials gardeners add to their soil, and discuss how these materials are important for plant growth.

In this creative roleplay activity, learners will explore the various processes of the carbon cycle using movement and props to aid in comprehension.