WORLD GEO Chapter 3

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41 terms · Mr. Feinberg's 1st hour Quiz 9/12/11

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.

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