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Earth Science Review

Earth Science

QuestionAnswer
hypothesis a possible answer to your problem
atmosphere the layer of gases that surrounds the earth and contains clouds
hydrosphere the water part of the earth's surface
lithosphere the rigid outer schell of the earth.
crust the top layer of the earth, above the mantle.
mantle the middle layer of the earth, between the crust and the core.
core the center part of the earth, beneath the mantle. made up of iron and nickel.
plate tectonics a theory stating that the earth's surface is broken into plates that move.
plates 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.
physical weathering breaks the rocks apart, but it doens't change what is made of.
chemical weathering changes the substance that make up rocks.
erosion the moving of weathered rock and soil.
deposition the dropping of minerals moved by erosion.
rock cycle the ways that rocks change from one form to another.
igneous rock rocks formed from melted mantle that comes from deep inside the earth. When it cools, the melted material hardens into igneous rock.
metamorphic rock Rock formed when igneous or sedimentary rock id changed by heat and pressure.
sedimentary rock Rocks formed when sediments such as sand are pressed or cemented together.
mineral a natural, nonliving solid with a definite chemical structure. These are the components of rock.
Created by: haesus7