plate boundaries

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Across
  1. 3. The layer of rock that forms Earth's outer surface
  2. 5. slides away
  3. 8. core The dense sphere of solid iron and nickel at the center of Earth
  4. 10. The solid, outer layer of the earth that consists of the crust and the rigid upper part of the mantle
  5. 11. core The layer of molten iron and nickel that surrounds the inner core of Earth
Down
  1. 1. When two continental plates converge they create _______
  2. 2. dives under
  3. 4. comes apart
  4. 6. The layer of hot, solid material between Earth's crust and core
  5. 7. floor spreading The process by which molten material adds new crust to the ocean f Alfred Wegner's hypothesis that the continents were once joined together in a single landmass and have slowly moved apart
  6. 9. goes apart