Name:

Geologic Time Quiz

Directions: Match the time to the event.

  1. ____ 4600 mya
  2. ____ 3500 mya
  3. ____ 600 mya
  4. ____ 540 mya
  5. ____ 515 mya
  6. ____ 420 mya
  7. ____ 300 mya
  8. ____ 250 mya
  9. ____ 245 mya
  10. ____ 225 mya
  11. ____ 200 mya
  12. ____ 125 mya
  13. ____ 65 mya
  14. ____ 60 mya
  15. ____ 4 mya
  1. human ancestors appear
  2. birds appear
  3. first bacteria (1st fossils)
  4. first dinosaurs
  5. first flowering plants
  6. first jellyfish
  7. first mammals
  8. first primates
  9. first vertebrates
  10. first winged insects
  11. land animals appear
  12. estimated age of Earth
  13. dinosaurs become extinct
  14. Pangaea forms
  15. land plants appear