Plate Tectonics

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Across
  1. 4. When one plate sinks beneath another into the mantle.
  2. 5. The rigid outer part of the Earth (crust + upper mantle).
  3. 6. The famous transform fault located in California.
  4. 7. The name of the ancient supercontinent.
  5. 8. A landform created by the collision of two continental plates.
  6. 13. A boundary where plates slide horizontally past each other.
  7. 14. The mountain range formed by India colliding with Asia.
  8. 15. The thinner, denser type of crust made mostly of basalt.
Down
  1. 1. Wegener's theory that continents move
  2. 2. The "plastic" layer of the mantle that plates slide on.
  3. 3. The scientist who first proposed the theory of Continental Drift
  4. 9. The heat-driven cycle in the mantle that moves plates.
  5. 10. Molten rock located beneath the Earth's surface.
  6. 11. A giant wave often triggered by subduction zone earthquakes.
  7. 12. A vent in the crust where lava, ash, and gas erupt.