Chapter 8 Earth and Enviroment Crossword

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Across
  1. 4. downhill movement of weathered material
  2. 6. fall of a large mass of earth, rock, or snow
  3. 7. oxidation reactions are chemical weathering processes where rock-forming minerals react with oxygen, often in the presence of water
  4. 8. thick masses of permanent ice found on land that slowly move
  5. 11. abrasion the process of scraping or wearing something away
  6. 12. ice wedging form of mechanical weathering where water seeps into cracks
  7. 13. mass of rock and soil slips in one big chunk
  8. 15. type of physical weathering where salt crystals grow within cracks in rocks
  9. 17. unconsolidated mineral or organic material on the immediate surface of the Earth
  10. 19. the process when soil and sediment get frozen under a glacier
  11. 20. rain and snowmelt moving over Earth’s surface
  12. 21. process where thin, curved layers of rock detach from the surface of the rock due to weathering
  13. 22. form of mechanical weathering where plant roots grow into cracks in rocks
  14. 23. type of physical weathering where rocks break down due to the repeated expansion and contraction caused by temperature changes
Down
  1. 1. defined as the uppermost layer of natural soil
  2. 2. pore spaces are filled with water and air
  3. 3. study of the solid rock foundation beneath the Earth's surface
  4. 4. process by which minerals in rocks are broken down and changed into new minerals and substances
  5. 5. disintegration of rocks and minerals by the activities of living organisms
  6. 8. large scratches left by glaciers
  7. 9. grooves or scratches on bedrock surfaces
  8. 10. stable, dark-colored organic matter found in soil
  9. 14. downslope movement of rock, soil, and debris under the influence of gravity
  10. 16. downward movement of water saturated soil
  11. 18. sediment the deposits after the glacier retreats