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15 Cards in this Set
- Front
- Back
geologist
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a scientist that deals with the history of the earth and its life especially as recorded in rocks
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rock
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consolidated or unconsolidated solid mineral matter
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continent
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one of the six or seven great divisions of land on the globe
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crust
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the outer part of a planet, moon, or asteroid composed essentially of crystalline rocks
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pressure
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the action of a force against an opposing force
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mantle
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the part of the interior of a terrestrial planet and especially the earth that lies beneath the crust and above the central core
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basalt
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a dark gray to black dense to fine-grained igneous rock that consists of basic plagioclase, augite, and usually magnetite
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sonar
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a method or device for detecting and locating objects especially underwater by means of sound waves sent out to be reflected by the objects; also : a device for detecting the presence of a vessel (as a submarine) by the sound it emits in water
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density
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the quantity per unit volume, unit area, or unit length: as a : the mass of a substance per unit volume
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Pangaea
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hypothetical land area believed to have once connected the landmasses of the southern hemisphere with those of the northern hemisphere
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fossil
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preserved from a past geologic age
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convection
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the transfer of heat by convection
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subduction
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the action or process of the edge of one crustal plate descending below the edge of another
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radiation
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the process of emitting radiant energy in the form of waves or particles
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conduction
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transmission through or by means of a conductor; also : the transfer of heat through matter by communication of kinetic energy from particle to particle with no net displacement of the particles
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