1
We walk around on soil all the time, but how often do we think about what's in it? If you have ever looked closely at soil, you probably saw that it is made up of various types of particles and has various materials mixed in with those particles (rocks, twigs, water, air, worms, insects, and much...
Grade Level   5 6 7 8 9
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2
There are many factors that combine to form soil, an important, slowly renewable resource. Some of these factors include climate, organisms, relief, parent material, and time. Soil provides the food, fiber, and building materials to nourish, clothe, and house Earth’s inhabitants. How does climate...
Grade Level   5 6 7 8
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3
All living things depend on soil to live. What are some of our important natural resources? Your answers might include materials such as oil, water, coal, trees, animals, and gold. All of those areimportant natural resources, but we often forget to mention one of our most important natural...
Grade Level   K 1 2 3 4 5
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4
Soil scientists often examine soils and record soil data outside. Soil is not just topsoil; it includes other horizons (soil layers) underneath the topsoil. So soil scientists use shovels or soil augers to get samples of many soil horizons. They record soil colors, textures, and types of living...
Grade Level   K 1 2 3 4
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