WEATHER REVIEW CH 4

In the water cycle, __________ in the form of rain or snow falls from theclouds.

a. Condensationb. Precipitationc. Cloudsd. Evaporation

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Water returns to the atmosphere as vapor by the process of ____________.

a. Transpirationb. Condensationc. Evaporationd. Precipitation

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Water vapor in the atmosphere __________ to form clouds.

a. Condensesb. Evaporationsc. Transpiresd. Precipitates

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Cool air can hold water vapor than warm air.

a. The sameb. Morec. Lessd. Warmer

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An instrument for measuring relative humidity is:

a. Humidityb. Relative humidityc. Thermometerd. Psychrometer

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A measure of the amount of water vapor in the air is:

a. Humidityb. Relative humidityc. Temperature d. Evaporation

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The process by which water vapor becomes liquid water:

a. Evaporationb. Humidityc. Precipitationd. Condensation

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A percentage comparing the amount of water vapor in the air to the maximum amount of water vapor the air can hold at a particular temperature is:

a. Relative humidityb. Humidityc. Temperatured. Rainfall

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The process by which molecules of liquid water escape into the air after becoming water vapor is:

a. Boilingb. Evaporationc. Condensationd. Transpiration

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Which two conditions are required forcloud formation?

A. high humidity and warm temperaturesB. high humidity and cool temperaturesC. warm

temperatures and the presence ofparticles

D. cool temperatures and the presence ofparticles

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Which type of cloud often indicatesthat a storm is on the way?

A cirrusB cumulonimbusC nimbostratusD stratus

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What is the dew point?Athe temperature at which condensation

beginsBthe temperature at which frost turns

to dewCthe temperature present in a cloudDthe temperature present when a storm

begins

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The sky is mostly blue, with somehigh, thin, feathery clouds. Which typeof weather is most likely to occur?

A light drizzleB heavy precipitationC fair weatherD thunderstorms

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Wispy, feathery clouds are _________ clouds

a. Cirrusb. Cumulusc. Stratusd. Nimbus

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Cumulonimbus clouds usually result in _____________.

a. Winter stormsb. Hurricanesc. Thunderstormsd. Tornadoes

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___________ clouds form in low, flat layers.

a. Cirrusb. Cumulusc. Stratusd. Nimbus

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Clouds that look like fluffy, rounded piles of cotton are clouds.

a. Cirrusb. Cumulusc. Stratusd. Nimbus

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Clouds are formed by the process of _____________.

a. Evaporationb. Condensationc. Precipitationd. Fog

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Clouds that form very near the ground are called _____________

a. Stratusb. Cumulusc. Steamd. Fog

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Maritime polar air masses areAcold and dryBcold and moistCwarm and dryDwarm and moist

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A stalled front that may bring manydays of clouds and precipitation is a(n)

Acold frontBoccluded frontCstationary frontDwarm front

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An air mass that forms over Arizonaand New Mexico will be a

Acontinental polar air massBcontinental tropical air massCmaritime polar air massDmaritime tropical air mass

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Bands of high-speed winds about10 kilometers above Earth’s surface arecalled

Aair massesBcyclonesCfrontsDjet streams

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A large body of air that has similar temperature, humidity, and air pressure at a given height is called a(n) ___________.

a. Air clumpb. Cloudc. Air massd. Wind

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Air masses that form over oceans are called air masses.

a. Maritimeb. Continentalc. Tropicald. Polar

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The boundary where air masses meet is a(n) _______.

a. Isobarb. Linec. Frontd. Isotherm

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A(n) front occurs when a fast-moving warm air mass overtakesa slower-moving cold air mass.

A. Warm frontB. Cold frontC. Occluded frontD. Stalled front

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A swirling center of low air pressure is called a(n) .

a. Anticycloneb. Cyclonec. Tornadod. hurricane

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__________ are high-pressure centers of dry air.

a. Anticyclonesb. Cyclonesc. Tornadosd. Storms

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TRUE OR FALSE You should be on the lookout for

tornadoes during hurricanesbecause the two often occur together

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TRUE OR FALSE During a hurricane, the safest thing to

do is lie in a ditch

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TRUE OR FALSE A thunderstorm loses strength as it

passes over land.

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TRUE OR FALSE Storm surges accompany hurricanes

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TRUE OR FALSE Tornadoes can cause extreme damage

to one area, and hardly touch another area just a few hundred feet away.

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A(n) is a tropical storm that has winds of 119 km/h or higher.

a. Hurricaneb. Blizzardc. Windstormd. Tornado

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A rapidly whirling, funnel-shaped cloud that reaches from a cloud down to Earth’ssurface is a(n) _____________.

a. Hurricaneb. Tornadoc. Strong windd. Prevailing wind

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When a hurricane makes landfall it brings a(n) _________, a dome of water that can severely damage the coast.

a. Stormb. Floodc. Waterd. Storm surge

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To ___________ is to move away temporarily.

a. Leaveb. Movec. Evacuated. Go away

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A sudden electrical discharge that often accompanies thunderstorms is called___________.

a. Thunderb. Lightningc. Lightd. Flashlight

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Which technology is not commonly usedin forecasting weather today?

Aweather balloonsBradarCdivining rodsDautomated weather stations

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Which type of weather technologyoften carries cameras that can makeimages of Earth’s surface, cloudsstorms, and snow cover?

Aweather balloonBweather satelliteCcomputerDautomated weather station

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On a weather map, what do half-circlesalong a curved line show?

Alight rainBthe direction a warm front is movingChigh pressureDthe direction a cold front is moving

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On a weather map, what does aline marked with half-circles pointingto one side and triangles pointing tothe other side show?

Amixed rain and snowBa cold frontCa stationary frontDan occluded front

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