Geology Review Notes

Jun 30th, 2015
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1. The Earth exchanges energy and mass with the rest of the cosmos. 2. The age of the Earth is estimated to be approximately 4.6 billion years old. 3. The Scientific Method includes: a. Refining a question and posing an answer in the form of a hypothesis. b. Gathering data in the field and lab c. Testing Hypothesis d. Forming a Theory based

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Geology ReviewExam 1 Review Questions and Answers1. The Earth exchanges energy and mass with the rest of the cosmos.2. The age of the Earth is estimated to be approximately 4.6 billion years old.3. The Scientific Method includes:a. Refining a question and posing an answer in the form of a hypothesis.b. Gathering data in the field and labc. Testing Hypothesisd. Forming a Theory based on the conclusion.4. According to the principle of uniformitarianism, the present is the key to the past (James Hutton)5. The Earths magnetic field is generated in the geodynamo system.6. The Earths climate system involves interactions between the atmosphere and the cryosphere, hydrosphere, biosphere, and lithosphere.7. The Earth has 3 layers based on chemical properties.8. The Earth has 5 layers based on physical properties.9. The three major Geosystems are the climate system, geodynamo system, and plate tectonic system. 10. Eratosthenes was the early scientist credited with measuring the size of the Earth based upon its circumference.11. Oxygen is one of the eight elements that make up 99% of Earths mass, that decreases with depth into the interior.12. There have been five mass extinction events in geologic time.13. Pangaea began to break up approximately 200 million years ago.14. Alfred Wegener proposed the theory of continental drift.15. Wegener was not taken seriously because Wegener was unable to provide solid evidence of a mechanism that could move co

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