Plate tectonics crossword puzzle

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Across
  1. 2. Dinosaurs
  2. 4. When the continents were all together
  3. 5. A long, narrow excavation in the ground
  4. 9. The line formed by hills or mountains
  5. 11. The overall importance of something
  6. 13. 154 classroom
  7. 17. This movies society is divided into 5 factions
Down
  1. 1. You hike these
  2. 3. When one plate slides beneath another
  3. 6. We live here
  4. 7. Middle of apple
  5. 8. The structure of the Earth's crust
  6. 10. You eat off of these
  7. 12. Tectonics colliding
  8. 14. Sleeveless cloak
  9. 15. You cant cross these when playing a game outside
  10. 16. Some people don't like this on there sandwich