Earth Science

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Across
  1. 4. ,formed when Earth's plates collide
  2. 5. ,liquid inner layer of the Earth
  3. 7. ,the place where the waves hit the surface, directly over the focus
  4. 8. ,the movement of Earth caused by the sudden release of energy
  5. 11. ,waves that move back and forth
  6. 12. ,the solid inner layer of the Earth
  7. 14. ,the process that causes new ocean crusts
  8. 15. ,waves that bounce up and down
  9. 16. ,formed when large sections of the crust are faulted and uplifted
  10. 18. ,forms when one plate gets pushed under another plate
  11. 20. ,a theory of how the plates move
Down
  1. 1. ,moving because they rest on plasticlike layers within the mantle
  2. 2. ,magma when it erupts through an opening or vent of the Earth's surface
  3. 3. ,the cycle in which hot magma of forced up and cools
  4. 6. ,formed when Earth's crust is stretched and pushed up by forces
  5. 9. ,in the Earth's crust where plates rub against each other build energy that releases waves
  6. 10. ,the exact spot inside the Earth where an earthquake starts
  7. 13. ,melted rock
  8. 17. ,the movement of continents
  9. 19. ,the thickest layer of the Earth