Soil is a Filter
This activity uses different soil types to examine the filtering ability of soil when exposed to contaminants. Students will discover that soils physically and chemically filter impurities out of water.
The Importance of Soil
Once a society has the basic needs of food and water, clothing, and
shelter met, it can develop other pursuits, fashion, culture,and art.
Soil provides the historic media for all these pursuits.
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