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Introduction to Geology (6:43)

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

  1. 01:44 According to Professor Alvarez, what are the two major types of geologists?
  2. 02:47 Why does the Professor Alvarez say that “atmospheres and oceans forget but rocks remember”?
  3. 04:00 What are the different types of tools that geologists use to study rocks?
  4. 05:44 What kinds of questions do geologists try to answer by studying the rock record?
  5. 06:26 What, according to Alvarez, is the most important question a geologist can ask?