Tectonic Plates

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Across
  1. 2. Layers of the earth
  2. 6. The layer under the crust
  3. 8. The very center of the earth
  4. 12. The thickest layer
  5. 15. Area between two tectonic plates
  6. 16. Takes up 33 percent of the model of the earth
  7. 17. When one plate slides under another
  8. 19. The layer outside of the inner core
  9. 20. The layer under the outer core
  10. 21. When tectonic plates collide.
Down
  1. 1. The layer under the lithosphere
  2. 3. The layer under the asthenosphere
  3. 4. The way something is made up
  4. 5. Alfred Wegner theory
  5. 7. When two plates move away from each other
  6. 9. Float on the asthenosphere
  7. 10. Harry Hess theory
  8. 11. When something is under pressure
  9. 13. When tectonic plates slide past each other
  10. 14. Takes up 1 percent of the model of the earth
  11. 18. From Pangaea to where countries are now