plate tectonics

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Across
  1. 2. the outer layer of earth
  2. 8. a single number that scientests assign to an earthquake based on the size
  3. 10. a recored of sesmic waves
  4. 11. a force on rock for change or volume
  5. 14. when earths mantle rises through the crust and mets to form magma
  6. 17. when magma reaches the surface
  7. 19. energy that is carried in rays like light
Down
  1. 1. the point on the surface directley above
  2. 2. heat transfer by the movement of a fluid is called
  3. 3. some of them become surface waves
  4. 4. when two tectonic plates pull apart
  5. 5. a mesure of how much mass there is in an given volume of substance
  6. 6. the amount of space that occupies
  7. 7. a large area of that land elivated high above sea level
  8. 9. the measure of the amount of matter in an object
  9. 12. a mountain that formes in earths crust
  10. 13. to push or pull an object
  11. 15. when two plates pull apart
  12. 16. a moltin mixture of rock forming substances from the mantle
  13. 18. the shaking that results in moving rock