Air Masses and Fronts (CFA #12)

What is an air mass?

• large body of air that has the same temperature/humidity in a given area

• large body of air that has different temperature/humidity in a given area

Tags

NGSS.MS-ESS2-5

What is a front?

• when something is in front of you

• where two air masses meet

Tags

NGSS.MS-ESS2-5

How does a cold front form?

• cold air mass meets a warm air mass

• warm air mass meets a cold air mass

Tags

NGSS.MS-ESS2-5

Does cold air move ABOVE or UNDER the warm air in a cold front?

• under

• above

Tags

NGSS.MS-ESS2-5

Does warm air move ABOVE or UNDER the cold air in a warm front?

• under

• above

Tags

NGSS.MS-ESS2-5

A meteorologist predicts that a strong low pressure system is moving toward a city within the next 24hours. What weather will the city most likely experience?

• clear skies

• no wind

• cloudy

• sunny

Tags

NGSS.MS-ESS2-5

A meteorologist predicts that a strong high pressure system is moving toward a city within the next 24hours. What weather will the city most likely experience?

• clear skies or fair weather

• windy

• cloudy

• snowing

Tags

NGSS.MS-ESS2-5

Name the two necessary ingredients for thunderstorm formation.

• Warm, humid air and updraft

• Cold air and Instability

• Mountains and Oceans

• Stability and Cold

Tags

NGSS.MS-ESS2-5

What is the first step in the birth of a tornado?

• dark sky

• thunderstorm

• high wind

• rain

Tags

NGSS.MS-ESS2-5

Where do hurricanes happen?

• The South Pacific

• The Indian Ocean

• The Antarctic

• The Atlantic Ocean

Tags

NGSS.MS-ESS2-6