History of the Earth
By: Kara Lehner
1. The Formation of Earth
2. Earth's Crust Forms
3. A Usable Atmosphere
4. Ocean's Form
5. Vertebrates appear
6. Plants Begin to Grow on Land
7. Largest Mass Extinction Ever!
8. The Age of the Dinosaurs
9. The Beginning of Ice Ages
10. The First Modern Humans
Works Cited
Retrieved from http://people.chem.duke.edu/~jds/cruise_chem/oceans/ocean1.html
Retrieved from http://.wikipedia.org/wiki/Vertebrate
Retrieved from http://arstechnica.com/science/2010/10/the-earliest-dinosaur/
Retrieved from http://en.wikipedia.org/wiki/Timeline_of_plant_evolution
Retrieved from http://www.columbia.edu/~vjd1/solar_nebula.htm
Retrieved from http://www.dailygalaxy.com/my_weblog/2014/12/origin-of-earths-oceans-from-plate-tectonics-or-via-icy-comets.html
Retrieved from http://www.geo.mtu.edu/~hamorgan/bigideaswelcome.html
Retrieved from http://www.pbs.org/wgbh/nova/earth/cause-ice-age.html
Prehistoric Time Line, Geologic Time Scale, Photos, Facts, Maps, and More -- National Geographic. (n.d.). Retrieved from http://science.nationalgeographic.com/science/prehistoric-world/prehistoric-time-line/