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5th Unit C Chap 1

The changing earth

QuestionAnswer
atmosphere the layer of gases that surrounds the earth and contains the clouds
hydrosphere the water part of the earth's surface
lithosphere the rigid outer shell of the earth
crust the top layer of the earth, above the mantle
mantle the middle layer of the eath
core the center part of the earth, beneath the mantle
plate tectonics a theory stating that the earth's surface is broken into plates that move
plate a large section of the earth's surface made of the crust and the rigid top part of the mantle
weathering the process that breaks down and changes rocks
erosion the moving of weathered rock and soil
deposition the dropping of materials moved by erosion
rock cycle the ways that rocks change from one form to another
igneous rock rock formed from melted rock that comes from deep within the earth
sedimentary rock rock formed when sediments are pressed or cemented together
metamorphic rock rock formed when igneous or sedimentary rock is changed by heat or pressure
mineral a natural, nonliving solid with a definite chemical structure
fossil any remains or traces of an animal
Created by: lleahy
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