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

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    Links:

    Olympic Hands on the Land - Cycles http://www.nps.gov/olym/hand/nutrition1.htm

    Olympic Hands on the Land - Cycles

    From the National Park Service, animated diagrams of the water, nitrogen, and carbon cycles. Includes explanations.
    www.nps.gov/olym/hand/nutrition1.htm
    Life Materials and Nutrient Cycles http://cgee.hamline.edu/see/questions/dp_cycles/dp_cycle_nutr.htm

    Life Materials and Nutrient Cycles

    How life shares materials, why we need each other's "leftovers," water cycle, carbon cycle, nitrogen cycle, and sulfur cycle, including diagrams.
    cgee.hamline.edu/see/questions/dp_cycles/dp_cycle_nutr.htm
    Water What Ifs - Water Quality and Nitrates and Phosphates http://www.ncsu.edu/sciencejunction/depot/experiments/water/lessons/np/

    Water What Ifs - Water Quality and Nitrates and Phosphates

    Shows the inter-relationship of these surface water parameters.
    www.ncsu.edu/../depot/experiments/water/lessons/np
    Biogeochemical Cycles http://www.colorado.edu/GeolSci/courses/GEOL1070/chap04/chapter4.html

    Biogeochemical Cycles

    A brief look at the major nutrient cycles, including pictures.
    www.colorado.edu/GeolSci/courses/GEOL1070/chap04/chapter4.html

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