Google Directory - Kids and Teens > School Time > Science > The Earth

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Cycles

Kids and Teens > School Time > Science > The Earth > Cycles

Categories

Carbon (11)
Nitrogen (11)
Phosphorus (2)
Water (16)

Web Pages

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	Olympic Hands on the Land - Cycles - http://www.nps.gov/olym/hand/nutrition1.htm From the National Park Service, animated diagrams of the water, nitrogen, and carbon cycles. Includes explanations.
	Water What Ifs - Water Quality and Nitrates and Phosphates - http://www.ncsu.edu/sciencejunction/depot/experiments/water/lessons/np/ Shows the inter-relationship of these surface water parameters.
	Biogeochemical Cycles - http://www.colorado.edu/GeolSci/courses/GEOL1070/chap04/chapter4.html A brief look at the major nutrient cycles, including pictures.

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