Plate Tectonics

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Across
  1. 2. Oceanic plate is usually more _____________ than continental plate.
  2. 3. These form at divergent boundaries between two continental plates.
  3. 5. The layer of the earth that is broken into many large plates.
  4. 6. These form at a convergent boundary between two continental plates.
  5. 7. A plate boundary where two plates are sliding past one another.
  6. 9. Continental plates are usually more ____________ than oceanic plates.
  7. 10. A plate boundary where two plates are moving toward each other.
  8. 11. Zone where one plate slides underneath another plate.
  9. 12. A plate boundary where two plates are moving away from each other.
  10. 14. These are most frequent at transform boundaries.
Down
  1. 1. The theory that the crust is broken into plates that are constantly moving.
  2. 4. Where two plates meet.
  3. 6. These form at divergent boundaries on the seafloor due to seafloor spreading.
  4. 8. The plates move because of convection in the _____________.
  5. 13. These form at convergent boundaries between oceanic and continental plates OR two oceanic plates.