5th grade Earth Systems, Structures and Processes

What is the jet stream?

• Precipitation in North Carolina
• Weather over a long period of time
• Strong winds above the Earth's surface
• Football flying over the Earth

What flows does the Jet Stream have?

• West to East
• West to South
• North to West 
• South to East

How does the jet stream affect the weather?

• The jet stream transports weather systems that affect us.
• The jet stream does not affect the weather.
• The jet stream releases oxygen so we can breathe.
• The jet stream brings only bad weather.

Which best describes how winds in the jet stream blow?

• between a boundary of cold air and a boundary of warm air
• between two boundaries of hot air
• no pattern
• between two boundaries of cold air

What causes La Nina?

• cooling of water in the Atlantic Ocean off the coast of South America
• cooling water off the Atlantic coast of the US
• cooling water in the Pacific Ocean off the coast of South America
• warm water in the Pacific Ocean off the coast of South America

The El Nino will cause what kind of weather in the southern US?

• cold and dry
• cold and wet
• warm and wet
• warm and dry

The El Nino is caused by

• cold water off the Atlantic coast of South America
• warm water in the Pacific off the coast of South America
• warm water in the Pacific off the coast of Mexico
• cold water in the Pacific off the coast of Mexico

What time of year do these two events occur?

• during the summer when the ocean water is warming up
• in the summer for El Nino and winter for La Nina
• during the winter around December and January
• During the fall when global temperatures are changing

When a low pressure system moves into North Carolina, which kind of weather will most likely occur?

• cold and dry
• fair and sunny
• clear and humid
• rainy and windy

Which condition is connected with rainy weather?

• low temperatures
• high temperatures
• low air pressure
• high air pressure