1
Published in 2016
Compaction of soil can contribute to size and numbers of pores. Soil can become compacted many ways, and this can have long-term effects. For example, when American settlers traveled the Oregon Trail in their wagons in the 1800s, soil became so compacted that we still can see wheel ruts today. Try...
Grade Level   5 6 7 8 9 10
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2
The Soil Science Society of America (SSSA) bring great educational materials to K-12 students. Play games, do experiments with soils, and explore careers in soil science.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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3
This site contains soil lessons, links, resources, definitions and information grouped by topic and then grade level.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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4
Published in 2018
Soils are one of our most important natural resources -- just think of where all the food you eat comes from. They also are important for the beauty the many soil colors add to our landscapes. Most of us overlook this natural beauty because we see it every day. Often these colors blend with...
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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5
Published in 2013
The key properties of soil (physical, biological, and chemical) determine recreation, crop production, range, water/erosion conservation, forestry, and engineering uses of the soil. Soil surveys help us understand how soils differ and how they behave under various land management systems. The heart...
Grade Level   5 6 7 8 9 10 11 12
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6
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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7
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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8
Earth scientists play an important, if largely invisible, role in many aspects of our daily lives, such as building homes or growing food. For example, geoscientists help determine which locations would be best for undertaking these vital activities. The slope of the soil is an important soil...
Grade Level   6 7 8 9 10 11 12
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