Download El Nino and La Nina [1447680]

El Nino and La Nina [1447680]
Student
1. What is the cause of rising surface temperatures of the Pacific Ocean,
drought in the western United States, and flooding on the Pacific coast of
South America?
A. the Gulf Stream
B. the jet stream
C. La Niña
D. El Niño
2. Which causes North Carolina to experience an increase in winter
precipitation?
A. El Niño
B. La Niña
C. trade winds
D. prevailing westerlies
3. Why would residents along the coast of North Carolina most likely be
concerned about a strong La Niña event in August?
A. La Niña returns every 2–7 years.
B. La Niña can mean an active hurricane season.
C. La Niña can mean a decrease in winter precipitation.
D. La Niña is associated with very warm ocean temperatures.
4. Which is an effect of La Niña on North Carolina’s summer weather?
A. decreased winds
B. decreased rainfall
C. increased humidity
D. increased temperature
5. Which best explains how El Niño affects the jet stream?
A. The jet stream is pushed north and results in increased precipitation.
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B. The jet stream is pushed south and results in increased precipitation.
C. The jet stream is pushed north and results in decreased precipitation.
D. The jet stream is pushed south and results in decreased precipitation.
6. Which weather conditions are associated with El Niño?
A. increased temperature, increased precipitation
B. decreased temperature, increased precipitation
C. increased temperature, decreased precipitation
D. decreased temperature, decreased precipitation
7. Which best describes El Niño?
A. The water in the Pacific Ocean gets warmer than normal and causes
fewer hurricanes to form.
B. The water in the Pacific Ocean gets colder than normal and causes more
hurricanes to form.
C. The water in the Pacific Ocean gets colder than normal, and the flow of
the jet stream is disrupted.
D. The water in the Pacific Ocean gets warmer than normal, and the flow
of the jet stream is disrupted.
8. Which best explains why El Niño could cause an increase in precipitation in
California?
A. Cooler ocean water causes the air to cool, which allows for more
condensation to occur in the United States.
B. Warmer ocean water allows for warm air to be blown toward the United
States and cause droughts.
C. Cooler ocean water causes the air to cool, and brings high air pressure
to the United States.
D. Warmer ocean water allows for warmer, wet air to travel east toward
the United States.
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