Chapter 7 Vocab

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Across
  1. 4. thin plates that are made of basalt that form the ocean
  2. 5. occurs when two plates move away from each other
  3. 10. a layer of solid rock that surounds the earth's surface
  4. 11. liquid metal that surounds the inner core
  5. 12. occurs when two plates slide past each other
  6. 14. cased by very hot material at the deepest of the mantle
  7. 15. where the plate's of the lithosphere float or side
  8. 16. the thick layer that surounds the core and is made up of hot
Down
  1. 1. thick plate made of basalt
  2. 2. when two plates move toward each other
  3. 3. amount of mass in a material per unit volume
  4. 6. a sphere of hot solid metal
  5. 7. scientific theory explaining how the plate's move
  6. 8. top most layer of the earth made up of hot mostly solid material
  7. 9. the super continent
  8. 13. earth's surface is broken in to large pieces