Unit 4 Overview: Our Solar System & Earth (7:48)
Key Ideas
As this video progresses, key ideas will be introduced to invoke discussion.
Key Ideas
Think about the following questions as you watch the video
- 02:22 What theory did meteorologist Alfred Wegener propose and how did most geologists react to this theory?
- 03:06 What led to the acceptance of the theory of plate tectonics?
- 04:05 What types of evidence did earlier scholars discover that contributed to collective learning and the eventual acceptance of plate tectonics?
- 05:55 What are the ingredients and Goldilocks Conditions for Threshold 4—the creation of our Solar System and Earth?
- 06:26 What was the Hadean Eon?
- 06:49 How are we all lava surfers?