Question | Answer |
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 |