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32 Cards in this Set
- Front
- Back
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weather
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is the condition of the atmosphere in one place during a limited period of time.
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climate
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is the term for the weather patterns that an area typically experiences over a long period of time.
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axis
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an imaginary line running from the North Pole to the South Pole through the planets center.
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temperature
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the measure of how hot or cold a place is.
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revolution
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a trip around the sun.
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equinox
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daytime and nighttime hours are equal
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tropic of cancer
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at 23.5 N, the northern west point on earth to receive the direct rays of science
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solstice
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marks the beginning of summer time in the northern hemisphere
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tropic of Capricorn
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the suns direct rays strike further south southernmost latitude of 23.5
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Greenhouse effect
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without this the Earth would be to cold for most living things
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global warming
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is believed to be caused in part by human activities, such as burning coal, oil, and other natural gas
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low latitudes
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Between 30 decrees N latitude is a zone. This zone includes Tropic of Capricorn, Tropic of Cancer, and the Equator
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high latitudes
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the Earths polar ares which stretch from 60 degrees N to 90 degrees S from 60 degrees S to 90 degrees S
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arctic circle
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experiences continuous daylight or twilight
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antarctic circle
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experiences continuous daylight or twilight for the other six months of the year
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Coriolis effect
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causes prevailing winds to blow diagonally rather than along strict north-south or east-west directions
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doldrums
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At the Equator, global winds are diverted north and south, leaving a narrow, generally windless band
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currents
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cold and warm streams of water that move through the oceans
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windward
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the side of a mountain range facing the wind
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leeward
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the opposite side of the mountain
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rain shadow
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the hot, dry air produces little precipitation is this effect
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natural vegetation
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the original plant life growing in an area
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tropics
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tropical climates are found in or near the low latitudes
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Sahara
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alone extends over almost the entire northern one-third of the African continent
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oasis
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an area of lush vegetation
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coniferous
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trees, most of which ever greens have cones
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deciduous
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trees, most of which have broad leaves, change color and drop their leaves in autumn
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mixed forests
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contain both kinds of trees
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prairies
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inland grassland, and the forests of evergreen and deciduous trees
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permafrost
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a frozen subsoil
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hypothesis
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an scientific explanation
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smog
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a visible chemical haze in the atmosphere that endangers atmospgere
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