-Harmony (earth science)

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Across
  1. 4. plates move far away from each other
  2. 6. force that pulls on the ends of rock causing it to get thinner in the middle
  3. 7. layer of the core that is mostly liquid
  4. 8. force that pushes in two opposite horizontal directions
  5. 10. volcano with wide,gently sloping sides that forms from quiet eruptions
  6. 12. the study of the earth
  7. 14. type of rock that forms from sediments
  8. 15. molten rock below the earths surface
Down
  1. 1. molten rock is at or above the earths surface
  2. 2. an opening in a volcano;maybe more than one
  3. 3. outermost layer of the earth
  4. 5. igneous rock the forms inside the earth cools slowly which results in larger crystals
  5. 9. all the water on earth
  6. 11. fastest seismic wave that can travel through liquids and solids
  7. 13. type of rock forms from heat and pressure