layers/continental drift
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| what are the four main layers of the Earth | Mantle, inner core,outer core, crust
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| is a solid ball with the radius of about 1,220 km. (a solid sphere in the fluid core such as the iron-nickel core.) | Inner core
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| Is a liquid layer about 2,266 km composed of iron and nickel that lies about Earth's solid inner core and below the mantle | Outer core
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| _____ does not change much from one part of the mantle to another, however, physical conditions change because of pressure and temperatures increase with dept. | Mantle
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| The _______ is Earth's layer, including both land surface and the ocean floor. The ____ averages 32 km thick. Composition- oxygen, silicon, aluminum, calcium, iron, sodium, potassium, and magnesium. | Crust
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| a rock that makes up core of the continents | granite
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| the material that forms Earth's hard surface | rock
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| the force pushing on Earths surface or area | pressure
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| the study of planet Earth | geology
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| one of Earth's great landmasses | continent
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| a wave produced by an earthquake | seismic wave
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| a force that builds up features of Earth's surface | constructive force
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| a rock that makes up much of the ocean floor | basalt
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| what is the difference between oceanic continental crust? | The oceanic consist of mostly of dense rocks such as basalt; Continental crust forms the continents and consists mainly of less dense rocks such as granite.
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| who created the theory of continental drift | alfred weagner
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| did scientist aprove of this theory, yes or no | no
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| name the proof alfred weagner had | from fossils, landforms, climate
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| true or false, is the inner core as hot as the sun | true
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| true or false, the deeper you are in the Earth the more pressure and heat there is. | true
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| true or false, oceanic crust is thinner than continental crust | true
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