Study Aid

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