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30 Cards in this Set
- Front
- Back
Geosphere
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the mostly solid, rocky part of the Earth; extands from the center of the core to the surface of the crust.
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atmosphere
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a misture of gasses that surrounds a planet or moon.
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hydrosphere
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the portion of Earth that is water
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biosphere
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the part of the Earth where life exists
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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 Earth's crust and core
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core
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the cenrtal part of the Earh below the mantle
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erosion
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the process by which wind, water, ice, or gravity transports soil and sediment from one location to another
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lithosphere
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the Earth's rigid, most outward layer
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tectonic plates
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plates that move slowly around Earth's surface on the underlying semisolid mantle layer called the asthenosphere.
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asthenosphere
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one of Earth's 5 main layers, where plates move upon
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mesosphere
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the lower layer of the mantle, one of Earth's 5 main layers
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outer core
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made up of liquid and nickel, one of the Earth's 5 main layers
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inner core
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made of solid iron and nickel, one of the Earth's 5 main layers
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radation
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the transfer of energy as 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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the transfer of thermal energy by the circulation or movement of a liquid or gas
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the troposphere
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the atmospheric layer in which we live that extends form the surface of Earth to an altitude of about 12 km
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the stratosphere
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the atmospheric layer immediately above the troposphere which extends up to about 50 km
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the mesosphere
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the layer above the stratosphere that extends up to 80 km
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the thermosphere
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the layer farthest from Earth's surface that extends from 80 km to 500 km
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surface current
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a horizontal movement of ocean water that is caused by wind and that occcurs at or near the ocean's surface
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deep current
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a streamlike movement of a ocean water for below the surface
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aquifer
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a body of rock or sediment that stores groundwater and allows the flow of groundwater
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rock cycle
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the series of processes in which a rock forms, changes from one type to antoher, it destroyed, and forms again by geologic processes
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water cycle
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the continuous movement of water between the atmosphere, hte land, and the oceans
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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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the hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations
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sea-floor spreading
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the process by which new onceanic lithosphere forms as magma rises toward the surface and solidifies
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