created by student in UR tech integration course

1. World History

2. The Earth Formed 4.6 Billion Years Ago

3. Earth History Clock 12:00 AM 3 12 9 6 11 2 4 5 7 8 10 4.6 billion years ago the Earth forms 1

4. Fish Appear 11:54 AM 3 12 9 11 2 4 5 7 8 10 Fish 426 million years ago 3 9 11 2 4 5 7 8 10 1 6

5. Land Plants Appear 11:54:30 AM 3 9 11 2 4 5 7 8 10 6 9 11 2 4 5 7 8 10 1 12 Land Plants 420 million years ago

6. Dinosaurs Appear, and then Become Extinct 11:57- 11:59 AM 3 9 11 2 4 5 7 8 10 3 9 11 2 4 5 7 8 10 1 12 6 Dinosaurs 254 million years ago

7. Mammals Appear 11:58 AM 3 9 11 2 4 5 7 8 10 9 11 2 4 5 7 8 10 1 12 Mammals 220 million years ago 6

8. Human Appear 11:59:30 AM 3 9 11 2 4 5 7 8 10 3 9 11 2 4 5 7 8 10 1 12 6 Hominids 3.7 million years ago

9. Prehistory

10. http://earthnet-geonet.ca/activities/clock_e.php References: