EARTH121 Lecture Notes - Lecture 1: Weathered, Continental Crust, Oceanic Crust
2 Sep 2016
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Document Summary
What it is: an understanding of earth"s influence and your influence on earth. Princibles defined by scientists, shaped by educators, and is an ongoing process. An esl person understands concepts, accesses credible information, communicates, and makes responsible decision. Earth scientists find solutions to societies needs work on challenging problems. Take many forms multiple lines of evidence such as field, experimental, modelling, etc. Use understanding of the past to forecast future how may conditions change. Construct models that best explain available geological evidence can be conceptual or analytical. Technological advances refine our understanding of earth: earth is 4. 6 billion years old. Earth"s rocks and other materials provide a record of its history structure, sequence, and properties of rocks, sediments, and fossils, as well as radioactive dating, Solar system formed from cloud of gas and dust 4. 6 billion years ago. Earth formed from the accumulation fo dust and gas and multiple collisions of smaller bodies.
