Study Aid

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Across
  1. 2. how many major plates are there
  2. 6. of or relating to vibrations of the earth's crust
  3. 9. outermost layer of earths layers
  4. 10. scale used to measure earthquakes
  5. 12. The exact point where the earthquake started
  6. 13. one plate goes under the other
  7. 15. the second layer in the earth's layers
  8. 16. amount of centimeters plates move every year
  9. 17. Breaks happen after what builds up
  10. 21. plates that move past each other
  11. 24. measure the amount of energy released from an earthquake
  12. 25. most inner layer of earths layers
Down
  1. 1. deep,narrow ditch
  2. 3. last name of the scientist who came up with plate tectonics
  3. 4. plates that move away from each other
  4. 5. Breaking and cracking of rocks inside the crust/plates
  5. 7. size of an earthquake
  6. 8. large pieces of crust
  7. 11. what were one of the things scientists found on two continents that were the same
  8. 14. plates that move into each other
  9. 18. The point on the surface directly above the focus
  10. 19. name of the "super continent"
  11. 20. when magma pushes up through a weak area what happens first
  12. 22. In what language does pangaea mean all the earth
  13. 23. areas around the plates where volcanic and earthquakes activity is likely