Plate tectonics Crossword

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Across
  1. 3. two tectonic plates move away from each other
  2. 6. An extended break in a body of rock
  3. 9. A black volcanic rock
  4. 10. Relating to vibration made in Earths crust
  5. 12. the 4 and last layer of the earth
  6. 13. Heat transferred through contact with matter
  7. 14. The second layer of the earth
  8. 17. Heat transferring through empty space
  9. 18. A natural occurring substance in earths crust.
Down
  1. 1. Two tectonic plates collide with each other
  2. 2. super continent
  3. 4. The reason why the Pacific is getting smaller
  4. 5. third layer of the earth
  5. 7. Two tectonic plates slide past each other
  6. 8. a colorful rock found on the crust
  7. 11. first layer of the earth
  8. 15. The rigid outer part of the crust and mantle
  9. 16. The crust of the earth shaking when the tectonic plates move.