science 2/11

What are jet streams?

• The trail left from an airplane.

• Bands of strong wind.

• The winds that push jets through the air.

• Wind made from tornadoes.

Which direction do jet streams generally blow?

• North to South

• South to North

• East to West

• West to East

What are the prevailing winds from the west toward the east called?

• Jet Stream

• Gulf Stream

• Prevailing Westerlies

• La Nina

Where do jet stream form?

• Close to the ground.

• High in the atmosphere.

• Only over the ocean?

• Under the water.

Winds are caused by

• equal heating

• unequal heating

A narrow band of fast moving winds high in the atmosphere that move from west to east

• Jet Stream

• doldrums

• equator

• polar easterlies

Which has the greatest effect on the movement of the jet stream? 

• size of clouds
• amount of precipitation
• differences in air temperatures

A warm swift current in the Atlantic Ocean that flows from the Gulf of Mexico along the eastern coast of the United States. Responsible for warming the east coast in the winter. Hurricanes follow this path because of the warm water

• jet stream

• Gulf Stream

• prevailing westerlies

• Tradewinds

movement of air from land to sea at night, created when cooler, denser air from the land forces up warmer air over the sea

• sea breeze

• prevailing westerlies

• land breeze

• Tradewinds

In which direction do weather patterns move in the United States?

• east to west

• north to south

• west to east

• south to north