Air Pressure and Density in the Atmosphere

What Causes differences in air pressure around earth ? 

• Warm air rises at the equator, and cold air sinks at the poles.

• Equator gets over heated 

• Snow 

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Where is air pressure the greatest?

• At Earth's surface

• On a mountain

• In an airplane

• Outer space

What kind of air pressure does less dense air have?

• Normal air pressure

• High air pressure

• Low air pressure

Cold air exerts _____________ pressure than warm air.

• the same

• more

• less

If density of air is high, pressure is:

• high

• low

If density of air is low, pressure is:

• high

• low

Which has a lower density?

• A

• B

Cold air is more_____ than warm air 

• Dense

• Stale

• Colorful 

Tags

NGSS.MS-ESS2-6

________is the instrument used to measure air pressure.

• barometer

• thermometer

• mercury

• watch

In what direction(s) does air exert pressure?

• everywhere

• no where

• there is no pressure

• downward

Tags

NGSS.MS-ESS2-5