2. 4 th Grade Springville, Utah

3. Where does soil come from? Rocks Minerals Organic Matter

7. Sagebrush-Cold Desert

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

11. Note: clays are microscopic in size !

13. 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.

16. What causes soil erosion? Water Wind No Vegetation

25. How did the Canyon Lands of Utah form?

32. 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

33. Physical land features

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

47. Internet Sites http://www.tx.nrcs.usda.gov/class/sammy.htm