Plate Tectonics Crossword

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Across
  1. 3. When one tectonic plate moves under another plate and sinks into the mantle.
  2. 6. A place where two tectonic plates move toward each other.
  3. 8. The idea that continents were once joined together and slowly moved apart.
  4. 9. A deep ditch in the ocean floor formed where one plate sinks under another.
  5. 10. The theory that Earth’s outer shell is broken into large pieces (plates) that move slowly.
  6. 12. A place where two tectonic plates move away from each other.
  7. 13. Circular movements of hot and cool material in the mantle that cause plates to move.
Down
  1. 1. A place where two tectonic plates slide past each other.
  2. 2. A long underwater mountain range formed where plates move apart.
  3. 4. The ancient supercontinent that included all the land on Earth millions of years ago.
  4. 5. A dip in Earth’s crust where the ocean sits.
  5. 7. A large crack or split in the Earth’s crust where the land is being pulled apart.
  6. 11. A crack in the Earth’s crust where movement can happen.