Paulina's crossword

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