Unit 5 Vocabulary

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Across
  1. 4. originated the theory of seafloor spreading
  2. 6. originated the theory of continental drift
  3. 8. outer layer of Earth's oceans
  4. 9. point on Earth's surface directly above the focus of an earthquake
  5. 10. molten rock in Earth's crust
  6. 12. process in which one edge of a crustal plate is forced below another crustal plate
  7. 14. where two plates are moving away from each other
  8. 15. where two plates slide past one another
  9. 16. solid part of the Earth consisting of the crust and outer mantle
Down
  1. 1. measure the intensity of earthquakes
  2. 2. reef consisting of coral consolidated into limestone
  3. 3. lower layer of the crust
  4. 5. tow points where the lines of force of Earth's magnetic field are vertical
  5. 7. lateral movements of the continents
  6. 11. where two plates move toward each other
  7. 13. process in which new ocean floor is created