Air Masses

An air mass is a large body of air that has similar temperature and humidity throughout. Which of the following best describes an air mass?

• A small pocket of air with varying temperatures

• A large body of air with uniform temperature and humidity

• A fast-moving stream of air in the upper atmosphere

• A localized weather pattern affecting a small area

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

How many types of air masses are there?

• Two

• Four

• Five

• Six

Tags

NGSS.MS-ESS2-5

What is the symbol for continental tropical air masses?

• cT

• mT

• cP

• mP

Tags

NGSS.MS-ESS2-5

Where do continental polar air masses form?

• Over tropical oceans

• Over polar oceans

• Over tropical landmasses

• Over polar landmasses

What is the main characteristic of an arctic air mass?

• High temperature

• Low humidity

• Cold temperature

• High pressure

Tags

NGSS.MS-ESS2-5

Maritime tropical air masses bring what type of weather?

• Cold and dry

• Warm and humid

• Hot and arid

• Cool and wet

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

An air mass is a large body of air that has uniform temperature and humidity. Which of the following best describes an air mass?

• A small pocket of air with varying temperature and humidity

• A large body of air with uniform temperature and humidity

• A large body of water with uniform temperature and humidity

• A small pocket of water with varying temperature and humidity

Tags

NGSS.MS-ESS2-5

An air mass that forms over the American Southwest is classified as:

• maritime tropical

• continental polar

• continental tropical

Explain the difference between a continental air mass and a maritime air mass.

• Continental air masses are dry, while maritime air masses are moist.

• Continental air masses are warm, while maritime air masses are cold.

• Continental air masses are formed over oceans, while maritime air masses are formed over land.

• Continental air masses are always stable, while maritime air masses are always unstable.

Tags

NGSS.MS-ESS2-5