What influences weather?

A barometer measures the air pressure. Imagine that the barometer in Key West is falling. What does this indicate about the weather?

• A low-pressure system is moving toward Key West.

• A high-pressure system is moving toward Key West.

• A cold air mass is heading in the direction of Key West.

• A warm air mass is heading in the direction of Key West.

The polar jet stream influences the weather in North America. Which of the following illustrations shows the jet stream pulling warm air into Canada?

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What condensation occurs near the Earth's surface?

• Fog forms.

• Precipitation falls.

• Water runs off into lakes and streams.

• Water evaporates from oceans and lakes.

Tags

NGSS.MS-ESS2-4

What is a warm front?

• A mass of warm air moves over the top of a cold air mass.

• A mass of warm air moves under a mass of cold air.

• A mass of warm air is trapped between two cooler air masses.

• A warm wind blows.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which type of pressure system: air is sinking, creating sunny skies

• High Pressure
• Low Pressure

A large volume of air in which temperature and moisture content are nearly the same throughout an area

• Front
• Air Mass
• Jet Stream
• None of the above

A long distance wind that travels above global winds for thousands of kilometers

• Front
• Air Mass
• Jet Stream
• None of the above

How does the water cycle influence the weather?

• It determines how much moisture is in the air

• It determines if it will rain or snow

• It determines if there will be school or not

• The water cycle isn't involved with the weather

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

Which term describes the area where two air masses come together

• front

• back

• side

• up