Ch. 5 (5.11-5.20)

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Across
  1. 3. played a major role in the Ice Age
  2. 5. ____ currents cause the tectonic plates to move
  3. 6. site of seafloor spreading
  4. 8. oceanic crust sinks below other crust
  5. 11. boundary where seafloor spreading takes place
  6. 12. slides past North American plate to cause California's earthquakes
  7. 13. Age of crust at mid-ocean ridge
  8. 14. ___ ocean water was needed to start the Ice Age
Down
  1. 1. type of boundary responsible for earthquakes in California
  2. 2. subduction is a ___ process
  3. 4. Layers of rock that contain the most fossils
  4. 7. Opening of the ___ of the great deep
  5. 9. No death = no fossils in these rock layers
  6. 10. About how long Noah and family were on Ark
  7. 11. the ____ geologic column represents Earth's rock layers