Plate Tectonics - Ruhi 3-23

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Across
  1. 3. an oceanic plate slides under a continental plate or when an oceanic plate slides under an oceanic plate
  2. 5. layer of the earth composed of liquid iron and nickel
  3. 6. shaking of the Earth's surface resulting from the release of accumulated energy
  4. 7. location on the surface of the earth directly above the focus of an earthquake
  5. 9. plate boundaries that move away from each other as magma rises
  6. 10. crust and the upper portion of the upper mantle
  7. 12. layer of the earth, mostly solid iron at tremendous temperature and pressure.
  8. 14. the location in the Earth where the earthquake originate
  9. 15. thickest layer of the earth, mostly solid like "thick toothpaste"
Down
  1. 1. outermost layer of the earth, granite on land and basalt in oceans
  2. 2. molten layer of the upper mantle
  3. 4. plate boundaries that come together
  4. 8. the study of seismic waves
  5. 11. supercontinent believed to have been before they broke apart
  6. 13. area where molten rock rises to the surface