Plate Tectonic Terms-Rhys Rogers 7th

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Across
  1. 4. layer between crust and outercore
  2. 6. the outer layer of the earth
  3. 7. plates moving away from each other
  4. 8. magma outside of a volcano
  5. 11. a sudden, violent shaking of the ground
  6. 14. vibrations in the earth's crust
  7. 15. crack in the earth's crust
Down
  1. 1. causes plate tectonics to move
  2. 2. scale used to measure seismic waves
  3. 3. one plate is driven beneath the other
  4. 4. created by convergent colliding
  5. 5. giant wave
  6. 9. the only liquid layer
  7. 10. molten rock that is underground
  8. 12. ejection of molten rock from a volcano
  9. 13. material oceanic crust is made mostly of