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Start Rocks 7th

QuestionAnswer
Crust solid rock that includes both dry and ocean floor, Element is Si, O, Al and 5 to 40 km thick
Mantle solid material, Element Mg, Fe, less Si, and Al, has convection currents. Denser than crust, slow flowing hot rock.
Outer Core Molten metal, liquid, high pressure, Fe, N, causes the magnetic field of the Earth
Inner Core Solid, metal core, Fe, N, Extreme pressure, high temperatures
Oceanic Crust Layer of the crust that has the oceans made of basalt rock, thinnest layer of crust but the densest
Continental Crust Layer of the crust that has the continents on made of land, granite rock, thickest layer of crust, less dense
Convection Current Warm less dense material, moves hot less dense material up while cool more dense material down, makes the formation of rocks
Lithosphere Layer of physical layers that includes the crust and top layer of the mantle, has tectonic plates
Asthenosphere Layer of physical layers that flows slowly pushes colder material out of the way so that it moves the lithosphere which moves the tectonic plates
Mesosphere Layer of physical layers, that is the lowest mantle, has the convection currents in
Igneous rock Formed by cooled magma or lava, normally dark in color
sedimentary rock Formed by small particles, being compacted and cemented together, light colored
metamorphic rock Formed from rock being changed by heat or pressure or by chemical reaction, has bands
Created by: user-1944868
 

 



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