Ch 1. Dynamic Earth - Ch. 1: The Dynamic and Evolving Earth...

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Ch. 1: The Dynamic and Evolving Earth Key Words - Earth’s Subsystems - Geology - The Scientific Method - Big Bang - Differentiated Earth - Plate Tectonics - Uniformitarianism - Organic Evolution _______________________________________________________ Principle Subsystems of Earth Atmosphere, biosphere, hydrosphere, lithosphere, mantle, and core Geology Greek: geo and logos : study of Earth Two broad areas: physical and historical geology Theory (in science) A coherent explanation of one or several related natural phenomena supported by a large body of objective evidence Scientific Method a) b) c) d) Origin of the Universe and Solar System - Origin: - Age: - At moment of BB: universe consisted of pure energy - After 1 sec: four basic forces separate o Gravity o Electromagnetic force o Strong nuclear force o Weak nuclear force - After 300,000 y: universe cool enough for ____ and ____ to form; photons separate from matter (light) - Next 200 million years: universe expands (evidence:_____________) and
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This note was uploaded on 03/27/2012 for the course GEOL 2413 taught by Professor Moody during the Spring '10 term at Texas A&M University, Corpus Christi.

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Ch 1. Dynamic Earth - Ch. 1: The Dynamic and Evolving Earth...

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