Across
- 2. The Radiation Era lasted __________ second/s.
- 3. The second Era in the Big Bang Theory.
- 6. When a __________ breaks away an Epoch changes.
- 7. We are currently in the __________ epoch.
- 10. We've been in our current Epoch __________ billion years.
- 12. An educated guess is a _________________.
- 14. 13.8 _________ years ago the earth was created.
Down
- 1. The __________________ is everything.
- 4. There are ___________ epochs in the Matter Era.
- 5. It was extremely ____________ during the Radiation Era.
- 7. Without ___________ we would never had living things.
- 8. There are __________ epochs in the Radiation Era.
- 9. ____________ was the first element created.
- 11. Inside of Eras are ______________.
- 13. The first Era in the Big Bang Theory.
