1. Earth History in 1 Hour
Imagine if Earth’s History was squished to fit into one hour, from 8 am-9am.

2. Earth History in 1 hour
Earth’s Crust Forms
8:00:01 AM

3. Earth History in 1 hour
Life begins 8:09:18 AM

4. Earth History in 1 hour
Early bacteria evolve
8:17:37 AM

5. Earth History in 1 hour
First multicellular organisms
8:41:45 AM

6. Earth History in 1 hour
First fish
8:53:25 AM

7. Earth History in 1 hour
First insects
8:54:59 AM

8. Earth History in 1 hour
First dinosaur
8:57:01 AM

9. Earth History in 1 hour
First bird
8:57:59 AM

10. Earth History in 1 hour
Extinction of the dinosaurs
8:59:09 AM

11. The Geologic Time Scale Divides Earth’s History
Most recent Ice Age
8:59:59.2 AM

12. The Geologic Time Scale Divides Earth’s History
First modern human
8:59:59.9 AM