Air and Air Pressure

A/An ____ is a large body of air that has the same properties as the Earth's surface over which it develops.

• front

• air mass

• cloud

• tornado 

Tags

NGSS.MS-ESS2-5

Which instrument measures air pressure?

• anemometer

• barometer

• thermometer

• weather balloon

Which diagram illustrates a LOW pressure system?

• A

• B

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

True or false: an air mass generally has uniform temperature and humidity.

• true

• false

Tags

NGSS.MS-ESS2-5

When air pressure is low, what type of weather do we experience?

• sunny and clear

• rainy and cloudy

Tags

NGSS.MS-ESS2-5

Which type of front occurs when a cold air mass replaces a warm air mass? (See image above)

• stationary front

• warm front

• cold front

• back door front

Tags

NGSS.MS-ESS2-5

How do we characterize an air mass that forms near the poles?

• Dry

• Wet

• Warm

• Cold

Tags

NGSS.MS-ESS2-5

Define Air Pressure

• The weight of a column of air pushing down on an area

• The Amount of Mass in a given volume

• The force pushing on an area

• The distance above sea level

Air pressure is measured with a

• thermometer

• hot-air balloon

• satellite

• barometer

Air is made up of a mixture of many different kinds of gases.

• True

• False