Air Pressure and Air Masses

Which of the following best describes the movement of air molecules in a HIGH-PRESSURE system?

• Air molecules are spread out and move quickly.

• Air molecules are tightly packed and move slowly, getting heated by the sun.

• Air molecules rise quickly and disperse.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What type of weather is typically associated with a low-pressure system?

• Clear skies and calm weather.

• Stormy weather with precipitation.

• Hot and dry conditions.

• Cold and dry conditions.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which of the following characteristics best describes a maritime Tropical (mT) air mass?

• Warm and dry.

• Cold and dry.

• Warm and humid.

• Cold and humid.

Tags

NGSS.MS-ESS2-5

Identify the characteristics of a continental Polar (cP) air mass.

• Warm and humid.

• Cold and dry.

• Warm and dry.

• Cold and humid.

Tags

NGSS.MS-ESS2-5

Arizona is typically warm and dry, relative to the rest of the country.
Which air mass most commonly influences this outcome?

• cT

• cP

• mT

• mP

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6