Science and earthquakes

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Across
  1. 2. lose, misplace
  2. 4. shaking of the earth
  3. 5. earthslide
  4. 8. fall over
  5. 11. water, air, earth, fire
  6. 12. the motion of pushing or lunging suddenly.
  7. 13. after effects
Down
  1. 1. measures earthquakes
  2. 3. earth scientists
  3. 6. Very hot
  4. 7. dangerous, and damaging
  5. 9. not there, gone
  6. 10. thick and heavy