Geological Evolution

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Across
  1. 2. A plate boundary where two plates are sliding past each other
  2. 3. A scientist that proposed the Continental Drift Theory
  3. 9. "The age of Mammals"
  4. 10. A plate boundary where two plates are pulling away from each other
  5. 11. "The age of Dinosaurs"
  6. 14. Putting events in order of appearance, what happened first, second, third, and so on
  7. 15. The largest amount of geologic time, accounts for 88% of Earth's history
  8. 16. A plate boundary where two plates are colliding together
Down
  1. 1. "Ancient Life"
  2. 4. The smallest division of geologic time
  3. 5. Oldest rocks lie at the bottom of an undisturbed sequence of rocks and the newest rocks are at the top
  4. 6. Anything that breaks up layers of rocks
  5. 7. The largest division of geologic time
  6. 8. Measuring the amount of radioactive isotopes to determine the actual age
  7. 12. Eons are divided into these
  8. 13. Eras are divided into these