11-Global Winds & the Jet Stream

Front

What happens to warm air when it is heated?

Back

Warm air expands and rises.

Front

Why does warm air rise?

Back

Warm air is less dense than cooler air.

Front

What is the jet stream?

Back

The jet stream is a fast-moving ribbon of air that moves from west to east in the Northern Hemisphere.

Front

How does the jet stream affect weather?

Back

The jet stream transports weather systems that affect us.

Front

What will likely happen when the jet stream moves south of North Carolina?

Back

North Carolina will experience cold weather.

Front

What is density?

Back

Density is the mass of a substance divided by its volume.

Front

What is the relationship between temperature and air density?

Back

As temperature increases, air density decreases.

Front

What is a weather system?

Back

A weather system is a large area of the atmosphere with similar weather conditions.

Front

What role does the jet stream play in weather patterns?

Back

The jet stream influences the movement of weather systems and can affect temperature and precipitation.

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids, such as air or water.