plate tectonics

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Across
  1. 4. a sudden shake of the ground.
  2. 6. occurs at divergent boundaries
  3. 7. a mountain or hill typically conical haveing
  4. 9. A thin layer of crust that underlies the ocean basins
  5. 11. tectonic plates moving away from each othe in oppsite divections
Down
  1. 1. two plates sliding past eachthere
  2. 2. or vent through lava
  3. 3. two tectonic plates come together
  4. 5. hot magma rising in the mantle caused the seafloor
  5. 8. molten rock housed in the mantle
  6. 10. Layer of rock which forms the continents