Plate Tectonics Crossword

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Across
  1. 2. The layer beneath the crust and above the core (6)
  2. 7. The dense, thinner type of crust (7)
  3. 12. The layer of molten metal surrounding the inner core (10)
  4. 14. A crack in the Earth's crust (5)
  5. 15. A large destructive ocean wave caused by an earthquake (7)
  6. 16. A boundary where plates move past each other horizontally (9)
  7. 17. At a divergent boundary, new crust is ____ (7)
  8. 19. A scientist who studies the Earth (10)
  9. 20. The innermost layer of the Earth, a solid metal ball (9)
  10. 21. at a convergent boundary, the crust of the earth is often ___ (9)
Down
  1. 1. The process where one tectonic plate sinks beneath another (10)
  2. 3. A sudden and violent shaking of the ground (10)
  3. 4. The force that determines which plate sinks in a subduction zone (7)
  4. 5. The layer of the Earth composed of hot, molten rock (5)
  5. 6. The type of boundary where crust is being destroyed (10)
  6. 8. The main feature of a convergent boundary, often erupts (7)
  7. 9. The thick, less dense type of crust (12)
  8. 10. The rocky outer layer of the Earth (5)
  9. 11. A landform created when continental plates collide (8)
  10. 13. The outermost rigid layer of the Earth, including the crust (11)
  11. 18. A boundary where plates move away from each other (9)