Chp._10_Science_Voc.txt

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Author:
martha.hulsey
ID:
60547
Filename:
Chp._10_Science_Voc.txt
Updated:
2011-01-18 15:40:40
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Science vocabulary Chapter
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Description:
Chapter 10
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  1. the process by which rock materials are broken down by the action of physical and chemical processes
    weathering
  2. the breakdown of rock into smaller pieces by physical means
    mechanical weathering
  3. the grinding and wearing away of rock surfaces through the mechanical action of other rock or sand particles
    abrasion
  4. the process by which rocks break down as a result of chemical reactions
    chemical weathering
  5. rain, sleet, or snow, that contains a high concentration of acids
    acid precipitation
  6. the process by which softer, less weather resistant rocks wear away and leave harder, more weather resistant rocks behind
    differential weathering
  7. a loose mixture of rock fragments, organic material, water, and air that can support the growth of vegetation
    soil
  8. a rock formation that is the source of soil
    parent rock
  9. the layer of rock beneath soil
    bedrock
  10. the soil quality that is based on the proportions of soil particles
    soil texture
  11. the arrangement of soil particles
    soil structure
  12. the dark, organic material formed in soil from the decayed remains of plants and animals
    humus
  13. the removal of substances that can be dissolved from rock, ore, or layers of soil due to the passing of water
    leaching
  14. a method to maintain the fertility of the soil by protecting the soil from erosion and nutrient loss
    soil conservation
  15. the process by which wind, water, ice, or gravity transport soil and sediment from one location to another
    erosion

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