plate tectonics

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Across
  1. 3. a place where two tectonic plates slide past each other
  2. 6. a huge piece of crust that slowly moves on the upper , ductile part of the mantle
  3. 7. the theory that the continents were once connected but drifted apart
  4. 8. A place where two tectonics plates move tpward each other and collide
  5. 9. the process in which a denser plate is pushed downward beneath a less dence plated when they converge
  6. 10. a depression of earth's surface in which an ocean lies
Down
  1. 1. a place where two tectonic plates move away from each other
  2. 2. a law that says that younfer rock layer sit on top of older rock layer
  3. 4. trench deep and narrow depression in the seafloor where the subducted plate moves into the asthenosphere
  4. 5. an event in which molten rock spews out from the mantle to the surface of earth as ash, lava, and gases