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32 Cards in this Set
- Front
- Back
the watery areas of earth
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hydrosphere
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the earth's crust
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lithosphere
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the air we breath
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atmosphere
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part of the earth that supports life
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biosphere
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underwater extension of the coastal plain
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continental shelf
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solid hot center of the earth
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core
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outer core of hot thick dense rock
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mantle
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the outer layer,a rocky shell that forms the earth's surface
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crust
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the theory that continents were oncce joined and then slowly drifted apart
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continental drift
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all of the physical processess that creates many of the earth's physical features
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plate tectonics
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molten rock
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magma
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a process by which mountains can form as sea plates dive beneath continental plates
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subduction
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pieces of earth's crust cpme together slowly as the sea plate slides under the continental plate
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accretion
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when sea plates pull apart
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spreading
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bends in layers of rock
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fold
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when plates may grind or slide past each other creating cracks in earth's crust
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fault
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when folded land can't be bent any further
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faulting
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breaks down rocks
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weathering
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wears away the earth's surface
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erosion
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large bodies of ice
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glaciers
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when gaciers melt they leave behind large piles of rock and debris
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moraine
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regular movement of water from ocean to air to ground and back to the ocean
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water cycle
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changing of liquid water to vapor or gas
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evaporation
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when vapor changes to liquid water
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condensation
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rain,sleet,snow, or hail
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precipitation
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turning ocean water into fresh water by removing the salt
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desalination
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fresh water that lies beneath the earth's surface
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groundwater
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an underground porous rock layer often saturated by very slow flows of water
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aquifer
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small,irregular shaped planet like objects
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asteroids
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icy dust particles and frozen gases
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comets
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space debris or chunks of iron and rock
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meteoroids
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three types of planets
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dwarf, terrestrial, gas giant
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