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30 Cards in this Set
- Front
- Back
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hydrosphere
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the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere.
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lithosphere
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the solid portion of the earth ( distinguished from atmosphere, hydrosphere).
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atmosphere
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The mixture of gases surrounding the Earth or other celestial body, held in place by gravity. It forms distinct layers at different heights
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biosphere
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the part of the earth's crust, waters, and atmosphere that supports life.
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Eurasia
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the continents of Europe and Asia considered as a whole
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Isthmus of Panama
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a republic in S Central America. 2,693,417; 28,575 sq. mi. (74,010 sq. km)
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sinai peninsula
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a peninsula in NE Egypt, at the N end of the Red Sea between the Gulfs of Suez and Aqaba
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continental shelf
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the part of a continent that is submerged in relatively shallow sea.
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mount everest
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something regarded as the most difficult or challenging of its kind
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dead sea
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a salt lake between Israel and Jordan: the lowest lake in the world.
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core
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inner part of the earh
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mantle
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rocky middle part of the earth
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crust
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outside of the earth
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continental drift
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the lateral movement of continents resulting from the motion of crustal plates
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plate tectonics
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a theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past adjacent plates
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folds
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A bend in a layer of rock or in another planar feature such as foliation or the cleavage of a mineral
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faults
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A fracture in a rock formation along which there has been movement of the blocks of rock on either side of the plane of fracture
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plate tectonics
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a theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past adjacent plates
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weathering
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the state of the atmosphere with respect to wind, temperature, cloudiness, moisture, pressure, etc
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eroision
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the earth erupting
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glaciers
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an extended mass of ice formed from snow falling and accumulating over the years and moving very slowly, either descending from high mountains, as in valley glaciers, or moving outward from centers of accumulation, as in continental glaciers
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moraines
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A mass of till (boulders, pebbles, sand, and mud) deposited by a glacier, often in the form of a long ridge
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water cycle
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the circulation of the earth's water, in which water evaporates from the sea into the atmosphere, where it condenses and falls as rain or snow, returning to the sea by rivers or returning to the atmosphere by evapotranspiration
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evaporation
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from evaporare "disperse in vapor or steam,"
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condenstaion
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The change of a gas or vapor to a liquid, either by cooling or by being subjected to increased pressure
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precipitation
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A form of water, such as rain, snow, or sleet, that condenses from the atmosphere, becomes too heavy to remain suspended, and falls to the Earth's surface
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Pacific
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tending to make or preserve peace
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Atlantic
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occean of athlant "sea off the west coast of Africa," from L. Atlanticus, from Gk. Atlantikos, adjectival form of Atlas (gen. Atlantos), in ref. to Mount Atlas in Mauritania
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Indian
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Also called American Indian, Amerind, Amerindian, Native American. a member of the aboriginal people of America or of any of the aboriginal North or South American stocks, usually excluding the Eskimos
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arctic
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of, pertaining to, or located at or near the North Pole
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