Layers of Earth

Jun 30th, 2015
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The Earth is separated into layers because of the difference in densities in the chemical composition of each layer. The 3 layers of the Earth in order beginning from the center to where we are the core, mantle, and crust. In terms of temperature, chemical composition and thickness:

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NAME ____________________________________________________________ PERIOD __________Study Guide for Geology Test moved to Friday, November 9For +2 points, get this signed by a guardian _______________________________________________Format:22 multiple choice questions worth 2 points each = 44 points+ 18 problem solving questions worth 2 points each = 36 points+ 2 free-response questions worth various points each = 20 points= 42 questions worth 100 pointsGeneral overviewWe have learned the different layers that make up our Earth, and we have used this information to identify that plate tectonics in the lithosphere move from convection currents in the mantle. Based on Alfred Wegener and Harry Hess theories, we know that 250 million years ago the continents used to be a part of Pangaea. Today, the movement of lithospheric plates causes many changes in Earths landscape from volcanoes, to earthquakes, to mountains.Layers of Earth (4 multiple-choice questions)The Earth is separated into layers because of the difference in densities in the chemical composition of each layerThe 3 layers of the Earth in order beginning from the center to where we are the core, m

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