7º ANO - TECTONIC PLATES

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Across
  1. 5. The process in which one plate sinks beneath another.
  2. 7. The slow movement of continents over time.
  3. 10. A type of boundary where two plates move toward each other.
  4. 12. A deep ocean region formed by subduction.
  5. 13. Molten rock material inside the Earth.
  6. 15. A type of boundary where two plates move away from each other.
  7. 16. The rigid outer layer of Earth, made up of the crust and part of the mantle.
  8. 18. A type of boundary where two plates slide past each other.
Down
  1. 1. The meeting of continental plates that can form mountains.
  2. 2. A large ocean wave caused by disturbances on the seafloor.
  3. 3. The activity of magma reaching the surface.
  4. 4. An underwater mountain range where seafloor spreading occurs.
  5. 6. The middle layer of Earth, beneath the crust.
  6. 8. The outermost and thinnest layer of Earth.
  7. 9. Large blocks of Earth’s crust that move over the mantle.
  8. 11. Ground tremors caused by plate movements.
  9. 14. A more plastic layer of the mantle over which the plates move.
  10. 17. A crack in the crust caused by plates moving apart.