#023 Thursday, Feb. 17th Soil Vocabulary Create a Crossword Puzzle (on paper)

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Across
  1. 3. the soil lying immediately under the topsoil
  2. 7. a loose granular material composed of finely divided rock and mineral particles
  3. 9. a chemical reaction that breaks a rock down
  4. 10. a granular material of a size between sand and clay and composed mostly of broken grains of quartz
  5. 11. loss of thin uniform layers of soil over a full field
  6. 15. channels or depressions that form in the same place year after year
  7. 16. soil is moving through the air
  8. 18. carbon-based compounds found within natural environments
  9. 19. the upper, outermost layer of soil
Down
  1. 1. channels or rills forming runoff, randomly located
  2. 2. large channels not able to be fixed by tilling of fields
  3. 4. erosion of the sides of a stream over time
  4. 5. breaking the rock down into smaller pieces
  5. 6. the original rock from which younger rock or soil is formed
  6. 8. the precipitation of salts in soils
  7. 9. a form of soil made up of very small particles of aluminum silicate, smaller than sand and silt.
  8. 12. the exertion of force on something so that it becomes more dense
  9. 13. small soil particles rolling or sliding while maintaining contact with the ground
  10. 14. the geological process in which earthen materials are worn away and transported by natural forces such as wind or water
  11. 17. grains of soil bouncing across the ground