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knipp
climate (chapter 3)
30
Other
7th Grade
11/08/2011

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Term
climate
Definition
the average weather over a period of 30 years
Term
weather
Definition
the atmospheric conditions at a specific time and place
Term
tropics
Definition
area of the Earth's surface that gets the most solar radiation
Term
polar zones
Definition
area of the Earth's surface that gets the least amount of solar radiation
Term
temperate zones
Definition
areas between the polar zones and the tropics
Term
rain shadow
Definition
the leeward side of a mountain range that doesn't get any rain
Term
heat island effect
Definition
when heat absorbed by a city's pavement is trapped from escaping by the overhead pollution
Term
23.5 degrees
Definition
the Earth's tilt
Term
the Gulfstream
Definition
the warm current that runs south to north along the eastern coast of the U.S.
Term
Humbolt or Peru current
Definition
the cold current that runs south to north along the western coast of S. America
Term
California current
Definition
the cold current that runs north to south along the west coast of the U.S.
Term
seasons
Definition
changes in the climate due to the Earth's tilt
Term
El Nino
Definition
climate event that involves the equatorial current slowing down or reversing. Causes warm water to build up in the eastern Pacific Ocean
Term
La Nina
Definition
climate event that involves the Pacific equatorial current to speed up. The result is warm water builds up faster in the western Pacific.
Term
greenhouse effect
Definition
natural heating process when certain gases build up in the Earth's atmosphere and trap heat
Term
global warming
Definition
the effect that the greenhouse effect has done to the Earth
Term
deforestation
Definition
the cutting down or destroying of trees. It slows down the absorption of carbon dioxide (a greenhouse gas)
Term
carbon dioxide and methane
Definition
two greenhouse gases
Term
burning of fossil fuels
Definition
source of greenhouse gas
Term
oil, natural gas, and coal
Definition
fossil fuels
Term
causes of atmospheric solids and liquids
Definition
1) volcanic eruptions
2) massive amounts of dust from a meteorite collision
Term
(4)causes of climatic change
Definition
1) atmospheric solids and liquids
2) changes in solar output
3) changes in the Earth's tilt
4) crustal plate movements
Term
(6) factors that determine climate
Definition
1) latitude - how far away from the equator a location is
2) altitude - how high a location is from sea level
3) large bodies of water - water stabilizes the temperature of nearby land
4) ocean currents - warm or cold currents can affect nearby land
5) rain shadow effect - windward side of mountain is wet and leeward side is dry
6) heat island effect - city temperatures are warmer because of trapped heat (absorbed by concrete and ssphalt)
Term
true or false - in the fall, Eastern coast cities are warmer than cities found farther inland at the same latitude
Definition
true
Term
true or false - water cools down faster than land
Definition
false
Term
true or false - during El Nino years, there is more precipitation than normal along the west coast of the US
Definition
true
Term
true or false - during La Nina years, there are more droughts than normal in the western U.S.
Definition
true
Term
true or false - the water off of the coast of Peru is colder than normal during El Nino years
Definition
false
Term
true or false - we live in the temperate zone
Definition
true
Term
true or false - the Earth's surface is mostly land
Definition
false
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