Geology Grace Grubb

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Across
  1. 3. outmost, rocky layer of Earth
  2. 5. to examine in detail for a purpose
  3. 7. a natural spring that sends hot water and steam suddenly into the air from a hole in the ground
  4. 10. molten rock that makes up Earths mantle and becomes igneous rock when it cools
  5. 12. the outside or top layer of something
  6. 14. the slow pulling apart of land that is cause by plate movement
  7. 15. layer inside Earth, between the mantle and inner core
  8. 17. a feature that forms on the surface of a planet
  9. 19. something we observe to be similar over and over again
  10. 20. how often or fast something happens
Down
  1. 1. a sudden shaking of the earths surface
  2. 2. a set of interacting parts forming a complex whole
  3. 4. innermost part of Earth, made of solid iron and nickel
  4. 6. hot liquid rock on the surface of the earth
  5. 8. the sudden pushing out of something, like lava from a volcano
  6. 9. evidence of life from the past
  7. 11. an object or diagram that makes it easier to understand something
  8. 13. a long, deep indentation in the ocean floor formed when two plates move together
  9. 16. moving apart in different directions
  10. 18. a layer of Earths crust