Tectonic Terms

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Across
  1. 3. Plate boundaries that slide past each other
  2. 6. Solid outer layer of earth that consists of crust and upper mantle
  3. 7. The solid, plastic layer of the mantle beneath the lithosphere
  4. 8. The supercontinent that formed 300 million years ago and broke up
  5. 9. A piece of lithosphere that has a unique geologic history
  6. 10. Plate boundaries move apart
Down
  1. 1. The theory that explains how large pieces of the lithosphere move and change shape
  2. 2. The hypothesis that states that all the continents were together and drifted apart
  3. 4. The Process by which Earth's crust breaks apart
  4. 5. Tectonic plate boundaries that collide