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19 Cards in this Set
- Front
- Back
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crust
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the thin and solid outermost layer of the earth above the mantle
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mantle
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the layer of rock between the earths crust and core
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core
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the centeral part of the earth below the mantle
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lithosphere
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the solid, outer layer of the earth that consists of the crust and rigid upper part of the mantle
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asthnosphere
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the soft layer of the mantle on which the tectonic plates move
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mesosphere
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the strong lower part of the mantle
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outer core
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the liquid part of earths core
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inner core
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the dense center of earth
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name the 5 layers
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lithosphere asthenosphere mesosphere outer core and inner core
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how many MAJOR tectonic plates are there
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10
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contenental drift
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the hypothosis of when all the contonents where conected and moved to they're present day places
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sea-floor spreading
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the process in which new oceanic lithosphereforms and magma rises
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magnetic reversal
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when earths magnetic pulls changes places
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Compression
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stress that occurs when forces act to squeeze an object
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tension
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stress that occurs when forces act to stretch an object
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folding
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the bending of rock layers due to stress
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fault
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a break in a body of rock along which one body slides and relative to another
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uplift
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the rising of riegons of the earth's crust to higher elevation
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subsidence
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the sinking of riegons of the earth's crust to lower elevation
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