Science Chapter 6 Wrap-Up Crossword

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Across
  1. 4. the act of saving, protecting, or using resources wisely
  2. 7. something that people use from nature
  3. 13. the dropping off of eroded soil and bits of rock
  4. 14. the movement of weathered material from one place to another.
  5. 15. a layer of rock that is permeable to water
  6. 17. does not allow liquid or gas to pass through it
  7. 18. how you get rid of something
  8. 20. the particles of soil or rock that have been eroded and deposited
  9. 21. a black or brown rock that is found in the earth and burned as fuel
Down
  1. 1. a mixture of gases found below Earth's surface that is used as fuel
  2. 2. to have many small spaces or holes
  3. 3. the process by which soil is worn away by wind and rain
  4. 5. to put through a process that allows things to be reused
  5. 6. cannot be replaced by nature easily or quickly
  6. 8. a large sheet of ice that moves slowly across the land
  7. 9. a type of weathering that occurs when water soaks into a material, freezes, expands, and causes the material to split or break apart
  8. 10. can be replaced by nature easily or quickly
  9. 11. all the living and nonliving things in an area
  10. 12. a liquid that is found beneath Earth's surface that is used to form fuels and to make a variety of other products
  11. 16. slow process that breaks rocks and other Earth materials into smaller pieces
  12. 19. allows liquid or gas to pass through it