Plate Tectonics Vocabulary Review

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Across
  1. 2. Supercontinent
  2. 3. A crack in the Earth's crust where rocks slide past one another
  3. 8. Type of plate boundary where two plates slide past each other
  4. 10. Type of plate boundary where plates move away from each other
  5. 13. A deep depression of the sea floor caused by the subduction of one plate under another
  6. 14. Plastic-like layer below the lithosphere. Convection currents here cause the tectonic plates to move.
Down
  1. 1. Formed when two continental convergent plates collide and the crust crumbles.
  2. 4. Makes up the crust and upper mantle; what the tectonic plates are composed of
  3. 5. Type of plate boundary where two plates collide
  4. 6. Convergent boundary where an oceanic plate is pushed beneath a continental plate forming a trench.
  5. 7. Caused when two transform plates slide past each other
  6. 9. A __ valley is caused by divergent continental plates
  7. 11. Elevations along a contour line are ___.
  8. 12. Forms above and near subduction zones.