science vocabulary

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Across
  1. 2. sudden reform of elasticity
  2. 8. Earth's made up of large moving pieces
  3. 9. breaking of Earth's crust
  4. 10. block of lithosphere
  5. 11. break in a body of rock
  6. 13. boundry between 2 tectonic plates
  7. 15. where the first motion of earthquake occurs
  8. 17. reversal north and south pole switch positions
  9. 19. plates sliding horizontally
  10. 20. strong lower part of mantle
  11. 21. solid outer layer of Earth
  12. 22. sea floor forms when magma rises
  13. 23. plates that are colliding
Down
  1. 1. movement of matter through density
  2. 3. large land mass that broke up
  3. 4. surface of earthquake starting point
  4. 5. central part of Earth
  5. 6. layer of rock between crust and core
  6. 7. movement of ground
  7. 12. outermost layer of Earth
  8. 14. edge between two or more plates
  9. 16. soft layer of the mantle
  10. 18. plate moves beneath another plate
  11. 19. system of ideas