Geological time Crossword puzzle

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Across
  1. 2. The Precambrian Eon means before the ______ period
  2. 4. When did the Mesozoic era end
  3. 9. When did the Jurassic Period end
  4. 11. The Cenozoic era is divided into how many time periods
  5. 12. Where was Africa located during the Paleozoic Era
  6. 13. During which era did the first humans develop
  7. 14. What did the South Pole look like during the Mesozoic Era
  8. 15. What is the youngest era
  9. 17. What is the oldest era
Down
  1. 1. years oldHow old is Earth
  2. 3. When did the Triassic Period end
  3. 5. did the Paleozoic Era end
  4. 6. The two periods of the Cenozoic are
  5. 7. Which era would end with the largest mass extinction ever
  6. 8. Mesozoic (___Life) Era
  7. 10. Which era is known as the Age of the Dinosaur
  8. 16. Did cavemen live during the Mesozoic Era