Plate Tectonics

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Across
  1. 5. The weakest of the Earth's plates.
  2. 6. Boundary where plates pull apart.
  3. 10. These are formed in the ocean when two ocean plates come together.
  4. 11. These are most common around transform faults.
  5. 14. Area of solid and dense material, high concentration of iron.
  6. 18. The mega continent when all of Earth's land was connected.
  7. 19. Boundary where plates come together.
  8. 20. The strongest of the Earth's plates.
  9. 21. These are formed on land near subduction zones.
Down
  1. 1. Area of solid iron and nickel.
  2. 2. Large, flat region of an ocean basin.
  3. 3. The gentle slope from an ocean basin, made of sediment.
  4. 4. These are formed underwater where plates pull apart.
  5. 7. Boundary where plates slide next to each other.
  6. 8. The steep drop from a continent to an ocean basin.
  7. 9. The theory that the Earth surface is comprised of moving masses riding on top of molten rock.
  8. 12. These are formed where continental plates pull apart.
  9. 13. Massive mountain range formed by a continental plate collision.
  10. 15. These are formed off the coast of subduction zones.
  11. 16. Area of liquid iron and nickel.
  12. 17. Area of molten rock under the Earth's surface.