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

Does yeast breathe? Find out by watching how plastic bags filled with yeast, warm water and different amounts of sugar change over time.

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

In this activity, learners create a biosphere in a baggie.