Chapter 13 Soil and Erosion

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Across
  1. 4. property of soil that refers to the way various soil particles clump together
  2. 5. the part of Earth where life exists
  3. 8. this results from physical forces that reduce the size of rock particles without changing the chemical nature of the rock
  4. 9. method for preventing soil erosion in agriculture by alternating strips of crops such as hay on one row and corn on the other
  5. 11. property of soil that is determined by the size of the mineral particles within the soil
  6. 12. the solid part of the Earth that consists of all rock, as well as the soils and loose rocks on Earth's surface
Down
  1. 1. method for preventing soil erosion in agriculture by tilling at right angles
  2. 2. these are level areas constructed at right angles to the slope to retain water and greatly reduce erosion
  3. 3. these are plantings of trees or other plants to protect soild from full force of wind
  4. 6. each recognizable layer of soil
  5. 7. this involves the chemical alteration of the rock in such a manner that it is more likely to fragment or be dissolved
  6. 10. process of loosening and redistributing of soil by chemical or physical means