Air Pressure Systems

This type of air pressure rotates counterclockwise.

• high-pressure

• low-pressure

Answer explanation

Remember, low-pressure systems rotate counterclockwise and contain moist rising air. 

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

This type of air pressure contains dry air. 

• high-pressure

• low-pressure

Answer explanation

Remember, high-pressure systems cause cool air to sink and warm, creating clear dry weather. 

Tags

NGSS.MS-ESS2-5

This type of air pressure is sinking.

• high-pressure

• low-pressure

Answer explanation

Remember, high-pressure systems are when cool air sinks and warms.

Tags

NGSS.MS-ESS2-5

The jet streams follow the contours of low and high pressure areas, which move like waves in the atmosphere across the earth. Imagine a high pressure system is sitting over the town where you live. Predict the type of winter weather you are experiencing.

• warm and dry

• mild and rainy

• very cold and snowy

• very cold but sunny

Answer explanation

When a polar ridge is sitting over your town you would expect your winter weather to be warm and dry. Remember though, it is still winter, so it will be colder than the summer time.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

This type of air pressure is rising.

• high-pressure

• low-pressure

Answer explanation

Remember, low-pressure systems occur when warm air rises and cools. 

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

• cold

• stationary

• warm

• occluded

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What does this symbol on a weather map indicate? 

• High pressure system

• Low pressure system

• Cold Front

• Warm Front

Tags

NGSS.MS-ESS2-5

Low pressure systems are associated with what type of weather?

• Clouds & precipitation

• Fair weather & sunny

• Jet Streams

• Dry Air

Tags

NGSS.MS-ESS2-5

If an air mass is sinking, it must be

• cold and less dense

• cold and more dense

• warm and more dense

• warm and less dense

Tags

NGSS.MS-ESS2-5

In a high pressure systems

• there are few clouds because the air in moving downward

• there are many clouds because the air is very humid

• there are few clouds because the air is moving outward

• there are many clouds because the air is moving upward

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6