Investigation 5: Water and Other Chemicals in Soil

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To learn more about the importance of water and other chemicals in soil, visit the following web sites:

Soil Quality Resource Concerns: Available Water Capacity, NRCS
This PDF (you must have Adobe Acrobat to view this file) looks at the properties that affect water availability in soil and how soil influences water quality.

Soil Sample Instructions, NRCS
Good web site for procedural information on taking soil samples.

Surf Your Watershed, EPA
This site offers links to a wide range of data on environmental conditions.

IES Soils
AGI/It's About Time


AGI's professional development programs for teachers are supported by generous contributions from corporate contributors of the American Geosciences Institute Foundation and the American Association of Petroleum Geologists Foundation.