Geologic Crossword

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Across
  1. 1. Last period of the Paleozoic
  2. 3. Current era
  3. 4. Second era
  4. 6. First Eon
  5. 7. Bony-fish, Sharks
  6. 10. third Eon
  7. 11. The first time land plants appeared
  8. 12. 2nd greatest geologic measure of time
  9. 16. 5th period of the Paleozoic era
  10. 19. First era
  11. 20. 2nd time period of the Cenozoic era
Down
  1. 1. Current eon
  2. 2. 1st period of the Mesozoic era
  3. 3. First flowering plants appeared
  4. 5. First time period of the Paleozoic era
  5. 8. Current time period
  6. 9. First time period
  7. 13. Second eon
  8. 14. The first insects
  9. 15. _ _ _ _ _ _ _ Park
  10. 17. Middle period of the Cenozoic era
  11. 18. The Jurassic is a time _ _ _ _ _ _ _
  12. 21. Greatest geologic measure of time