Science vocab

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Across
  1. 5. opening of a volcano
  2. 6. super continent
  3. 10. extremely hot part of the mantle
  4. 11. first layer of the earth
  5. 14. movement of matter caused by variations in temperature
  6. 15. rocks change shapes due to stress
  7. 16. it pushes rocks away from each other
  8. 18. pushes rock together
  9. 19. two plates move away from each other
  10. 20. less dense than solid rock
  11. 21. pieces of the lithosphere
  12. 24. when molten rock rises from the cracks of the earth
Down
  1. 1. two plate collide
  2. 2. is magma that has reached earths surface
  3. 3. rigid layer of earth
  4. 4. theory that says the crust is broken down into parts
  5. 7. second layer of the earth
  6. 8. when rock layers bend under stress
  7. 9. mountain that shots out lava
  8. 12. weak layer of the mantle
  9. 13. two plates move horizontally
  10. 17. strong layer of the mantle
  11. 21. stretches rock apart
  12. 22. the third layer of the earth
  13. 23. a crack that forms between two blocks