Plate Tectonics Crossword Puzzle

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Across
  1. 2. What the Earth's core is made up of
  2. 8. Boundary of when two plates move toward each other
  3. 9. The first of Earth's layers
  4. 12. A circular process in the mantle
  5. 14. Boundary of when two plates slide past each other
  6. 15. Horseshoe shaped string of volcanoes from the tip of South America to New Zealand
  7. 16. Beneath the Lithosphere
  8. 17. Made up of the crust and upper mantle
  9. 19. Underwater mountains
Down
  1. 1. What lava becomes when it gets colder
  2. 3. Caused by transform boundaries
  3. 4. A process in which the plate moves beneath another
  4. 5. The innermost part of the Earth
  5. 6. Boundary of when two oceanic plates move away from each other
  6. 7. invisible lines that the earth is made up of
  7. 10. How a plate moves
  8. 11. Forms when two plates push toward each other
  9. 13. Formed by subduction
  10. 17. What lava becomes when it gets hotter
  11. 18. Main material inside of the mantle