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33 Cards in this Set
- Front
- Back
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geosphere
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hard rocks of earth.
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atmosphere
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invisible gases that surround the earth.
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hydrosphere
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parts of earth that are water.
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biosphere
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parts of earth where life exists.
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crust
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earth's surface layer
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mantle
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layer below crust.
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core
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center of the earth
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erosion
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the processs by which gravity moves ice, water or soil.
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asthenospere
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semi solid bottom layer of mantle
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lithosphere
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the outer most covering of earth
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tectonic plates
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divided parts of the lithosphere
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mesosphere
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layer under the asthenosphere
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outer core
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the outer part of the core
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inner core
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the very center of the earth
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ring of fire
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a ring of volcanoes around the pacific ocean
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troposphere
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bottom layer of the atmosphere
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stratosphere
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second-to-bottom layer of the atmosphere
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mesosphere
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second-to-top layer of atmosphere
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thermosphere
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top layer of atmosphere
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radiation
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the transfer of energy through electromagnetic waves
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conduction
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the transfer of energy as heat through a material
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convection
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tranfer of thermal energy by circulation or movement of a liquid gas
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suface current
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horizontal, streamlike movements of water that occur at or near the surface of the ocean
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deep current
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steamlike movements at the bottom of the ocean
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aquifer
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body of rock below the gound that cointains ground water
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rock cycle
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cycle in which rock is changed by geological processes into different kinds of rock
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water cycle
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cycle in which water moves contiuously from the ocean, to the atmosphere, to the land, and back to the ocean over and over
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carbon cycle
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the movement of carbon from the nonliving environment into living things and back
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nitrogen cycle
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the process in which nitrogen circulates among the air, soil, water, plants, and animals in an ecosystem
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continental drift
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theory of the land of earth drifting apart, as it was one large continent
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pangaea
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the large single continent that earth's continents originated, or boke apat into
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panthalassa
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the large single ocean that all of earth's oceans started as
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sea-floor spreading
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the process by which new oceanic lithosphere forms as magma rises toward the surface and solidifies
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