1. EARTH HISTORY
By Andrew, Austin, and Bree
12/19/16

2. EARTH HISTORY
The history of Earth concerns the development of the planet Earth from its formation to the present day.
Earth is the only planet we know of that can support life.
The earth considering that it is made out of the same matter as other planets in our solar system was formed at the same time and through the same processes as every other planet and gets its energy from the sun

3. How the Earth Began
Earth began to form over 4.6 billion years ago from the same cloud of gas
interstellar dust that formed our sun the rest of the solar system and even our galaxy
Earth is still forming and cooling from that created the other stars and planetary systems in our galaxy.

4. Earth Timeline
We humans have only been around for a tiny fraction of the Earth's 4.6-billion-year history, but we have still managed to build up our knowledge of what happened so long ago.
This Earth timeline highlights some of the important events that have shaped our world.
Power of the Planet, Horizon, How the Earth Made Us, and Bang Goes the Theory.

5. Timeline

6. Video

7. Quiz Questions part 1 1- What is the first main era called?
A. Mesozoic B. Cenozoic C. Paleozoic D. None of these
2- What kinds of creatures lived in the first era?
A- Dinosaurs B- Crustacean C- Humans
3- What is the second main era called?
A- Mesozoic B- Cenozoic C- Paleozoic
4- What kinds of creatures lived in the second era?
5- What is the third main era called?

8. Quiz Questions part 2
6- What kinds of creatures lived in the third era?
A- Dinosaurs B- Crustacean C- Humans
7- What does Earth History concern?
A- Human Achievements B- Types of creatures in history C- Main Events in the Earth’s timeline.
8- How old is the Earth?
A- 2.6 billion years B. 1.9 billion years ago C. 4.6 billion years ago

9. “https://en.wikipedia.org/wiki/History_of_Earth”“