4 th Grade Springville, Utah Where does soil come from? Rocks Minerals Organic Matter.

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Presentation transcript:

4 th Grade Springville, Utah

Where does soil come from? Rocks Minerals Organic Matter

Sagebrush-Cold Desert

What are the main components of soil? Mineral Matter Air Water Organic Matter

Note: clays are microscopic in size !

Clay minerals photographed with an electron Microscope. Note: they are plate or flake like and are stacked on top of each other. They are electrically charged and act like magnets that attract and hold plant nutrients.

What causes soil erosion? Water Wind No Vegetation

How did the Canyon Lands of Utah form?

What are the FACTORS that make SOIL? TIME 1000’S TO 10,000’S OF YEARS LAY OF THE LAND TOPOGRAPHY LIVING ORGANISMS ANIMALS AND PLANTS CLIMATE HOT/COLD, WIND/RAIN PARENT MATERIAL ROCKS AND MINERALS

Physical land features

What are some practices Of SOIL CONSERVATION? Terracing Strip Cropping Contour Plowing Tilling Wind Breaks Ground Covers

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