Tag «rocks»

ESS1C – The History of the Earth

ESS1C – The History of the Earth

Hi. It’s Paul Andersen and this is disciplinary core idea ESS1C. It’s on the history of planet earth. And the history of planet earth is literally written in the rocks. And so if we look at those rocks, these are sedimentary rocks, they’re going to be laid down over time. So there’s erosion and deposition. …

The History of Geology

The History of Geology

[ Birds chirping ] [Katelyn Salem:] “If you don’t know history, then you don’t know anything. You are a leaf that doesn’t know it is part of a tree.” This quote is from one of the greatest philosophers of ancient history…Michael Crichton. And I think it does a good job of explaining why we’re about …