Geologic Time Puzzle

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Across
  1. 3. The shortest unit of geologic time.
  2. 5. Most of the division of geologic time end in one of these.
  3. 7. The epoch we are currently in.
  4. 9. This era had the largest extinct event. 90% of the marine species and 70% of the land species went extinct.
  5. 10. The era we live in today.
Down
  1. 1. This geologic time period is 90% of earths history. It started when earth started an ended at the end of the Proterozoic eon.
  2. 2. The period we are currently in.
  3. 4. The eon we live in today.
  4. 6. At the end of this era the dinosaurs went extinct.
  5. 8. The largest unit of geologic time.