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41 terms

WORLD GEO Chapter 3

Mr. Feinberg's 1st hour Quiz 9/12/11
STUDY
PLAY
solstice
northern and southernmost points of direct sunlight
solstice
either of two times of year when the sun's rays shine directly overhead at noon at the furthest points north or south
solstice
mark the beginning or summer and winter
longest
in the Northern Hemisphere, the summer solstice is the ____ day
shortest
in the Northern Hemisphere, the winter solstice is the ____ day
equinox
the sun's direct rays hit the equator
equinox
September 22 and March 21 are the approximate days of...?
equal
During an equinox, what are the length of day and night?
weather
the condition of the atmosphere at a particular location and time
climate
weather conditions over a long period of time
climate
this is developed over 100s of years.
rain shadow
leeward side of a mountain, gets little rain
leeward
side of a mountain not facing the coast
windward
side of a mountain facing the coast
convection
transfer of heat in atmosphere by upward motion of air
heat
air rises because of ____
3.5
The temperature of air drops ___ degrees every thousand feet
ocean currents
moving in large circular systems, warm water flows away from equator (toward poles)
up
Warm water moves ___
down
Cold water moves ____
freezing, really hot
If there were no ocean currents, it would be ____ 45°N and above, and it would be ____ 45°S and below.
El Niño
warming of waters off west coast of South America
La Niña
cooling of waters off the west coast of South America
El Niño
causes more rain in North America
La Niña
causes drought in North America
ecosystem
independent community of plants and animals
biome
ecosystem of a region
deciduous
broadleaf trees - maple, oak
deciduous
trees that may or may not lose leaves
coniferous
needleleaf trees - pine, fir
coniferous
many evergreen trees, but not all
rainforest
most are located in tropical zones, high concentration of trees
savanna
flat, grassy, mostly treeless plain found mostly in tropical areas such as Africa and South America, has longer grasses
steppe
temperate grasslands, shorter grasses, found mostly in temperate areas such as Russia, the Great Plains, and Mongolia
frontal
Precipitation:
occurs from April-May
frontal
Precipitation:
When a cold airmass and a warm airmass collide
rise, cool, rain, thunderstorms
Frontal precipitation:
Collision of airmasses causes cold air to ___ and ___, this causes the moisture to be squeezed out, causing ___. Violent squeezing causes ___.
convectional
Precipitation:
occurs during summertime
convectional
Precipitation:
warm, moist air from water blows onto land and is heated by the sun, then rises and is cooled. Moisture is squeezed out of it forming rain.
oragraphic
Precipitation that is not present in LA.
oragraphic
Precipitation:
Moist air comes from Pacific Ocean onto land, rides up mountain, cools and moisture is squeezed out. By the time it gets over the mountain the moisture is squeezed out so it is dry, forming a desert on the leeward side of the mountain.