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Properties of Soil

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Sacha Campos

on 25 April 2013

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Transcript of Properties of Soil

By: Mrs. Campos Properties of Soil SOIL Texture Brain Pop: Soil Soil is a mixture of small rocks, minerals, living organisms, once-living organisms, air and water. Soil forms when rocks break down and organic materials begin to decompose. It is the different combinations of these materials that give us the many different types of soil we find on the Earth.

Color Soil can be many different colors-shades of brown, gray, black, red, or yellow. The color of soil determined by the amount of air, water, organic and inorganic materials it contains. Red soil contains iron.

Soils can also be classified by textures. Texture defines the amount of sand, silt, or clay that a soil sample contains. Sands are the largest particles, and the individual particles can be seen and felt. Silts are the next size of particles. Clay particles can only be seen using a microscope. The texture of soil determines how well water drains through it. Sandy soils provide the quickest drainage and clays the slowest.

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