Biogeochemical Cycles

Not original, but nicely organized, this instructional activity reviews the four biogeochemical cycles: carbon, nitrogen, phosphorous, and water. Youths are asked to draw a diagram and then answer questions about each cycle. This instructional activity can be assigned in an earth science, ecology, or biology class since the biogeochemical cycles are a cycling of materials through both nonliving and living parts of ecosystems.

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9th - 12th
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