unit 3 review

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Across
  1. 3. What is the mouth of the river called?
  2. 4. What is the third layer of the earth called?
  3. 6. Erosion _____ the rock
  4. 10. What is the last layer of the earth called?
  5. 13. What is the second layer of the earth called?
Down
  1. 1. plates can move ____ from each other, past or against.
  2. 2. The break down of rock.
  3. 3. What is the dropping of broken down rock called?
  4. 5. What is the outer layer of the earth called?
  5. 7. Weathering ______ the rock
  6. 8. The _______ scale tells us how powerful a earthquake it or will be
  7. 9. What uses water, wind, and sand?
  8. 11. Is a earthquake a constructive or destructive force?
  9. 12. Liquid rock.