Unit 9 review

What typically happens at a warm front?

• A) Warm air gradually rises over cold air

• B) Cold air moves quickly beneath warm air

• C) Cold and warm air meet and stop moving

• D) Warm air sinks beneath cold air

Tags

NGSS.MS-ESS2-5

What happens to the weather as a warm front passes?

• Thunderstorms immediately form

• A sudden temperature drop and clear skies

• Temperatures rise gradually and light rain occurs

• Dense fog develops and remains for days

Tags

NGSS.MS-ESS2-5

Which instrument is used to measure atmospheric pressure?

• Anemometer

• Hygrometer

• Barometer

• Thermometer

A cold front forms when:

• Warm air retreats

• Warm air moves over cold air

• Cold air pushes under warm air

• Two air masses move parallel

Tags

NGSS.MS-ESS2-5

An anemometer is used to measure:

• Cloud cover

• Wind speed

• Temperature

• Humidity

Tags

NGSS.MS-ESS2-5

What causes wind?

• Differences in cloud cover

• Changes in humidity

• Differences in air pressure

• Earth's shape

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

When warm and cold air masses meet and neither can move the other, the result is a:

• Occluded front

• Warm front

• Stationary front

• Cold front

Tags

NGSS.MS-ESS2-5

What type of weather would you expect with a rising barometer reading?

• Snow or sleet

• Thunderstorms

• High winds and tornadoes

• Improving or fair weather

Tags

NGSS.MS-ESS2-5

What type of air mass is likely to bring dry and hot weather?

• mT

• cP

• cT

• mP

Tags

NGSS.MS-ESS2-5

Which air mass is most likely to bring heavy snow and cold temperatures to the northeastern U.S.?

• maritime tropical (mT)

• continental tropical (cT)

• maritime polar (mP)

• continental polar (cP)

Tags

NGSS.MS-ESS2-5