What is Air Pressure?

Air Pressure can be exerted in all directions.

• True

• False

When height increases, pressure...

• increases

• decreases

• stays the same

What is the "common denominator" used when comparing air pressure values?

• Outer space

• below sea level

• sea level

In the United States, what are the two most common units when measuring air pressure?

• mbars

• cubic feet

• mL

• inches of mercury

At sea level, standard air pressure in millibar is?

• 1000 dynes

• 1/1000th

• 1013.2

• 29.92

During which time of day/night is the pressure at it's lowest?

• 12 am/pm

• 2 am/pm

• 10 am/pm

• 4 am/pm

During which time of day/night is the pressure at its highest?

• 12 am/pm

• 2 am/pm

• 10 am/pm

• 4 am/pm

Blue H on a weather map represents...

• low pressure system

• high pressure system

Tags

NGSS.MS-ESS2-5

Red L on a weather map represent...

• high pressure system

• low pressure system

Tags

NGSS.MS-ESS2-5

Air pressure is almost always changing.

• True

• False

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6