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Across
  1. 2. Concentration of heat in the mantle capable of creating magma
  2. 4. Boundary where plates slide past each other
  3. 7. Theory which suggests that earth is made up of plates that interact in various ways
  4. 9. A depression in the seafloor produced by subduction process
  5. 10. Refers to the deformation of the earth's crust
  6. 12. Any break in a rock in which no significant event has taken place
  7. 14. A continuous mass of land with long width and height on the ocean floor
  8. 17. A vibration of the earth due to rapid release of energy
  9. 18. The outer solid portion of the earth which includes the crust
  10. 20. The process of one lithospheric plate descending under another
  11. 21. A break in a rock along which movement occurs
  12. 22. There are consolidated mixture of minerals
  13. 23. A device used to record earthquake waves
  14. 24. The outer portion of the earth
  15. 25. Molten material formed at a depth
Down
  1. 1. Plate that consists primarily of the earth's outher crust
  2. 3. Where plates meet
  3. 5. Boundary where plates move away from each other
  4. 6. Plate that consists primarily of oceanic crust
  5. 8. The first type of seismic wave to be recorded
  6. 11. The thin part of the earth's crust located under the ocean
  7. 13. Boundary where plates move towards each other
  8. 15. The science that studies earth
  9. 16. The graph output by a seismograph
  10. 19. Rigid sections of the lithosphere that move as one unit