Instructional Video9:11
SciShow

4 Billion Years in Under 10 Minutes

12th - Higher Ed
Have you ever wondered how our earth was created? Here is a brief history about the Earth.
Instructional Video10:40
Professor Dave Explains

History of the Earth Part 1: Hadean, Archean, and Proterozoic Eons

12th - Higher Ed
If we are going to learn about the Earth, we had better start from the beginning! The Hadean, Archean, and Proterozoic eons will take us all the way from the formation of the Earth, 4.6 billion years ago, until about half a billion years...