geologic time

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Across
  1. 3. current epoch
  2. 4. coldest epoch
  3. 5. an era in which earth got hit by an asteroid
  4. 7. the first era
  5. 8. second oldest era
  6. 9. Current eon
  7. 11. epoch in which humans FIRST appeared
  8. 12. current era
  9. 13. thrid eon
Down
  1. 1. the era that had the most mass extinctions
  2. 2. longest era
  3. 6. era in which dinosaurs lived
  4. 10. warmest epoch