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Ch. 2 Wind & Water

Ch. 2 Sect. 3 & 4

What is created by differences in air pressure? wind
What instrument in used to measure wind speed? Anemometer
What instrument is used to show wind direction? Wind sock or wind vane
What winds blow over long distances? global winds
What winds are in the region between the equator and 30 degrees N and 30 degrees south latitude? trade winds
What direction do the trade winds blow? from the east to the west
What winds are in the region between 30 degrees and 60 degrees north and 30 degrees and 60 degrees south latitude? prevailing westerlies
What direction do the prevailing westerlies blow? from the west to the east
What winds play an important role in the weather patterns of the United States? prevailing westerlies
What winds are in the cold air region above 60 degrees north and 60 degrees south latitude? polar easterlies
What direction do the polar easterlies blow? from the east to the west
From what pressure areas do winds move? from high pressure areas to low pressure areas
How are winds named? winds are named for the direction from which they come
What is the process of the movement of water between the Earth's surface and the atmosphere? water cycle
What part of the water cycle is where liquid water becomes water vapor(liquid to gas)? evaporation
What is liquid water that falls from the sky called? precipitation
What are the some solid forms of precipitation? snow, ice, hail
What part of the water cycle is where water vapor cools and changes back to a liquid? condensation
What part of the water cycle is when clouds form? condensation
What type of cloud form in flat layers between 1-2 kilometers? stratus
What type of clouds are wispy and feathery and form at high altitudes? cirrus
What type of clouds look like fluffy, rounded piles of cotton that form between 2 km and 18 km? cumulus
What is the increased cooling caused by wind called? wind chill factor
What winds blow over short distances? local winds
What type of wind blows from the ocean or lake toward the land? sea breeze
What type of wind blows from the land to the ocean or lake? land breeze
What type of wind, sea breeze or land breeze, occurs usually at night? land breeze
What type of wind, sea breeze or land breeze, occurs usually during the day? sea breeze
What is the area of little to no wind around the equator called? doldrums
What is the dead air region located at 30 degrees north and 30 degrees south latitude called? horse latitudes
What are the band of high speed winds about 10 km above the Earth's surface? jet stream
In what general direction do the jet streams blow? from west to east
What is the measure of the amount of water vapor in the air called? humidity
What is the percentage of water vapor that is actually in the air compared to the maximum amount of water vapor the air can hold at a particular temperature called? relative humidity
What instrument is used to measure relative humidity? psychrometer
What is the temperature at which condensation begins called? dew point
What are clouds called that form at or near the ground? fog
Are altocumulus and altostratus clouds higher or lower than cumulus and stratus clouds? higher
What does "Nimbus" mean? rain
Created by: RMSScience7



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