Tectonic Plates - Ruhi 3-23

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