plate tectonics

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Across
  1. 2. pieces part of land
  2. 5. part of earth; broken into pieces
  3. 6. boundary creates folded mountains
  4. 8. boundary creates earthquakes
  5. 9. layer of earth below the crust
  6. 10. type of valley that are an example of divergent boundary
Down
  1. 1. is caused by plate movement
  2. 3. dark, dense rock found in ocean floor
  3. 4. boundary creates sea floor spreading
  4. 7. material found inside a volcano