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Chapter 3
Pre-AP Geography - Poole
21
Geography
9th Grade
09/20/2011

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Term
coniferous
Definition
needleleaf, cone bearing trees
Term
convection
Definition
the transfer of heat in the atmosphere by upward motion of the air
Term
climate
Definition
weather conditions at a particular location over a long period of time
Term
biome
Definition
the term for an ecosystem of a region
Term
deciduous
Definition
broadleaf trees such as maple, oak, birch and cottonwood
Term
ecosysytem
Definition
an interdependent community of plants and animals
Term
equinox
Definition
signal of season change when the days an nights all over the world are equal in length; marks the beginning of autumn and spring
Term
greenhouse effect
Definition
a layer of gases released by the burning of coaland petroleum that traps some solar energy; causing higher temperatures
Term
permafrost
Definition
subsoil that is constantly frozen
Term
rainshadow
Definition
the land on the leeward side; it gets little rain from the decending dry air
Term
savanna
Definition
a flat, grassy mostly treeless plain in the tropical grassland region
Term
solstice
Definition
two times a year when the sun's rays shine directly overhead at noon at the furthest points north or south and mark the beginnin gof the summer and winter`
Term
steppe
Definition
temperate grasslands in the northern hemisphere - a prarie -
Term
tundra
Definition
flat, treeless lands forming a ring around the Arctic Ocean
Term
typhoon
Definition
storms that form over warm, tropical ocean waters - called this in Asia
Term
weather
Definition
conditions of the atmosphere at a particular location and time
Term
5 Things that Cause Weather
Definition
water vapor
cloud cover
landforms & bodies of water
elevation
air movement
Term
3 Types of Precipitation
Definition
Convectional
Orographic
Frontal
Term
Convectional precipitation
Definition
typical of hot climates; occurs after morning sunshine heats warm moist air; clouds form in the afternoon and rain falls
Term
Orographic precipitation
Definition
associated with mountain areas; storms drop more rain on the windward side of a mountain and create a rain shadow on the leeward side
Term
Frontal precipitation
Definition
mid-latitude frontal storms feature cold dense air masses thatpush lighter warm air masses upward causing precipitation to form
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