GSU GEOL 1122K - Geology Study Guide Exam 1 (6 pages)

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Geology Study Guide Exam 1



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Geology Study Guide Exam 1

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Pages:
6
School:
Georgia State University
Course:
Geol 1122k - Introductory Geosciences Ii

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Prelude Prelude definitions Core The dense iron rich center of Earth Crust The rock that makes up the outermost layer of Earth Earth System The global interconnecting web of physical and biological phenomena involving the solid Earth the hydrosphere and the atmosphere Geologic time scale A scale that describes the intervals of geological time Geologist The scientist who studies geology Geology The study of the Earth including our planets composition behavior and history Geologist addresses the fundamental questions such as the formation and composition of our planet the causes of earthquakes ice age the evolution of life They also address the practical problems such as how to keep the pollution out of groundwater how to find oil and minerals and how to avoid landslides Gravity The attractive force that one mass exerts on another the magnitude depends on the size of the objects and the distance between them Hypothesis An educated guess Lithosphere The relatively rigid non flowable outer 100 to 150 km thick layer of Earth constituting the crust and the top part of the mantle Mantle The thick layer of rock below the Earth s crust and above the core Plate One of about 20 distinct places of the relatively ridged lithosphere Science The use of observation experiment and calculation to explain how nature operates and scientists are people who study and try to understand natural phenomena Scientific Law Concise statements that completely describe a specific relationship or phenomena Scientific Method A sequence of steps for systematically analyzing problems in a way that leads to verified results Shatter cone Small cone shaped fractures formed by the shock of a meteorite impact Theory A scientific idea supported by an abundance of evidence that has passed many tests and failed none Theory of plate tectonics The theory that the outer layer of the Earth the lithosphere consists of separate plates that move with respect to one another Textbook 1 Geologist see how the world was made 2 See how the world continues to evolve 3 Finds Earth s resources 4 Protect against natural hazards 5 Predict what the future may hold Why should people study geology o It is one of the most practical subjects o It gives awareness to the planet o It shows the accomplishments and the consequences of human civilization in a broader context o The view of how the world changes A number of themes that appear o 1 Studying geology helps you understand physical science o 2 The earth has an internal structure core mantle and crust o 3 The outer layer of the Earth consists of moving plates The crusts with the upper part of the mantle forms a 100 150km thick semi ridged shell called the lithosphere Large cracks separate the shell into plates They move very slow The movement is known as the Theory of Plate Tectonics These plate movements yield earthquakes volcanoes and mountain ranges o 4 We can picture the Earth as a complex system with many interconnected realms This



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