Kaitlyn's crossword on earth

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Across
  1. 1. it surrounds the earth's core
  2. 2. another word for lava
  3. 3. two boundaries separating
  4. 8. two boundaries sliding past each other
  5. 9. this causes the earth's plates to move
  6. 10. the outer core is the only ______ layer of the earth
  7. 11. center of the earth
  8. 12. the less dense type of plate
Down
  1. 1. the more dense type of plate
  2. 4. the outer layer of the earth
  3. 5. the layer of the earth below the crust
  4. 6. a very mountainous example of a convergent boundary
  5. 7. two boundaries colliding