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Global Weather

Total questions: 66

Worksheet time: 1hrs 29mins

Name
Class
Date
1.
How do hurricanes start?
a)
After an earthquake occurrence
b)
Evaporation of warm sea water
c)
Hot air rising from a land mass
d)
Burning of greenhouse gases
2.
In which direction do prevailing westerlies flow?
a)
from east to west
b)
from west to east
c)
from north to south
d)
from south to north
3.

An instrument used to show the direction of wind and measure the speed

a)

rain guage

b)

Thermometer

c)

barometer

d)

wind vane

4.
The tendency for objects to move to the right in the Northern Hemisphere and the to the left in the Southern Hemisphere is due to the:
a)
Eckman's spiral
b)
Coriolis effect
c)
Westerlies
d)
Gyres
5.
What impact does the Gulf Stream have on North Carolina’s coastal climate?
a)
The cold water from the Gulf Stream current cools the land.
b)
The warm water from the Gulf Stream current warms the land.
c)
The warm water from the Gulf Stream current decreases inland wind speeds.
d)
The warm water from the Gulf Stream increases inland wind speeds.
6.
Why would residents along the coast of North Carolina most likely be concerned about a strong La Niña event in August?
a)
La Nina returns every 2-7 years
b)
La Nina can mean a decrease in winter precipitation 
c)
La Nina can mean an active hurricane season
d)
La Nina is associated with very warm ocean temperatures
7.
Which causes North Carolina to experience an increase in winter precipitation?
a)
La Nina
b)
El Nino
c)
Trade Winds
d)
Prevailing Westerlies
8.
Which best explains how El Niño affects the jet stream?
a)
The jet stream is pushed north and results in increased precipitation.
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.
9.
 Which weather conditions are associated with El Niño?
a)
increased temperature, increased precipitation 
b)
decreased temperature, increased precipitation 
c)
increased tempeature, decreased precipitation 
d)
decreased temperature, decreased precipitation 
10.
How will warm waters moving up from the Gulf Stream most likely affect the local weather conditions on a North Carolina beach?
a)
The sea breeze will increase in temperature
b)
The sea breeze will decrease in temperature.
c)
The land breeze will increase in temperature.
d)
The land breeze will decrease in temperature
11.
Which is most likely the location of the jet stream in autumn?
a)
Canada 
b)
Mexico
c)
the North Pole
d)
the United States
12.
Which best describes how winds in the jet stream blow?
a)
no pattern
b)
between two boundaries of hot air
c)
between two boundaries of cold air
d)
between a boundary of cold air and a boundary of hot air
13.
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.
14.
Which is most responsible for guiding the movement of different air masses across the United States
a)
oceans
b)
trade winds
c)
easterly winds
d)
jet stream
15.
Which is true about sea breezes?
a)
They form when both the land and the ocean have cooler temperatures
b)
They form when both the land and the ocean have warmer temperatures.
c)
They form because the land warms up more quickly than the cooler ocean waters.
d)
 They form because the ocean warms up more quickly than the cooler land masses.
16.
Global atmospheric patterns are responsible for most local weather. Which causes these patterns to exist?
a)
mountain ranges 
b)
greenhouse gases 
c)
holes in the ozone layer
d)
unequal heating of the Earth
17.
Which describes the direction of prevailing westerlies
a)
east to west
b)
west to east
c)
south to west
d)
west to south
18.
Where do hurricanes form?
a)
in the ocean near warm areas 
b)
in the ocean near cold areas 
c)
in large lakes near cold areas 
d)
in small lakes near warm areas 
19.
How does a sea breeze affect the weather?
a)
it decreases land temperature near the ocean
b)
it increases land temprature  near the ocean
c)
It decreases rain formation over land near the ocean.
d)
It increases the cloud coverage over the land near the ocean.
20.
Which explains the high precipitation levels in areas near the equator?
a)
The equator has very little wind, which causes rain-filled clouds to remain still for longer periods of time.
b)
The equator has stronger winds that cause clouds filled with precipitation to burst, resulting in precipitation
c)
At the equator, warmer conditions create an increase in evaporation. Evaporation leads to more precipitation.
d)
At the equator, warmer conditions create a decrease in evaporation. Less evaporation leads to more precipitation.
21.

Which best describes why winds at the beach change directions between day and night?

a)

Because the temperatures over the land and water change.

b)

Because warm air over land skins and stays in place over land.

c)

Because cool air rises and is replaced by warm air over the ocean.

d)

Because cooler air sinks and stays in place over land.

22.

How does the Gulf Stream affect hurricane development off the coast of the Southeastern United States?

a)

Colder water from the Gulf Stream increases the speed and intensity of a hurricane.

b)

Colder water from the Gulf Stream decreases the speed and intensity of a hurricane.

c)

Warmer water from the Gulf Stream increases the speed and intensity of a hurricane.

d)

Warmer water from the Gulf Stream decreases the speed and intensity of a hurricane.

23.

Which moves clouds through the atmosphere?

a)

Wind

b)

Evaporation

c)

Condensation

24.

Which types of winds cause weather in North Carolina

a)

Polar easterlies

b)

Prevailing westerlies

c)

Prevailing easteries

25.
One consequence of El Nino is _______ on the US West Coast
a)
stronger Tradewinds
b)
flooding
c)
strong winter storms
d)
drought
26.
One consequence of El Nino is _______.
a)
Northward displacement of the Jetstream
b)
Southward displacement of the Jetstream
c)
weak winter storms
d)
decreased solar activity
27.
During __________ winter brings a lot of colder than normal air over the Pacific Northwest, but warms the rest of the US.
a)
El Nino
b)
La Nina
28.
Which lists some effects of El Niño?
a)
warmer temperatures and more rain
b)
warmer temperatures and less rain
c)
cooler temperatures and less rain
29.
How could La Niña affect weather during the summer in North Carolina?
a)
It could decrease wind.
b)
It could increase rainfall. 
c)
It could decrease rainfall. 
30.

Why do hurricanes die out soon after hitting landfall?

a)

Cloud types change.

b)

Warm water no longer feeds them.

c)

Rotation of the storm changes direction.

31.

Why do most storms move from the west coast of America to the east

coast?

a)

Polar Easterlies

b)

South East Trade Winds

c)

North East Trade Winds

d)

Prevailing Westerlies

32.

Which country would Great Britain’s climate be most like if the Gulf Stream and the Labrador Current did not exist?

a)

South Africa

b)

South America

c)

Canada

d)

Antarctica

33.

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

a)

size of clouds

b)

amount of precipitation

c)

differences in air temperatures

34.

What will most likely result when the jet stream moves south of North

Carolina?

a)

North Carolina will experience tropical weather conditions.

b)

North Carolina will experience hot, dry weather.

c)

North Carolina will experience mild weather.

d)

North Carolina will experience cold weather.

35.

Which best describes a characteristic of the jet stream?

a)

It forms a boundary between a cold air mass and a warm air mass.

b)

It creates the high winds around the eye of a hurricane.

c)

It forces the hot air along the equator to rise to areas in North

America.

d)

It causes high pressure air masses to rotate clockwise.

36.

The polar jet stream is an air current that flows across North America. It flows much faster

in winter than it does in summer. Why is it faster in the winter?

a)

Northern air has more oxygen in winter.

b)

Northern air is warmer in winter.

c)

Northern air is colder in winter.

d)

Northern air is drier in winter.

37.

Where do hurricanes form?

a)

in the ocean near warm areas

b)

in the ocean near cold areas

c)

in large lakes near cold areas

d)

in large lakes near warm areas

38.

Which best describes a storm surge?

a)

low ocean tides

b)

a fall in sea level

c)

a rise of ocean water

d)

strong ocean currents

39.

Which best explains what type of weather the Gulf Stream usually brings

to North Carolina?

a)

increased wind speed

b)

increased air pressure

c)

increased temperature

d)

increased evaporation

40.

Why do most weather systems in the United States move from west to east?

a)

The West Coast is at a higher elevation than the East Coast, and weather systems go downhill.

b)

Prevailing winds carry weather systems to the east across most of the United States.

c)

The West Coast is warmer, and weather systems move from warmer to colder places.

d)

Mountain ranges prevent the movement of weather systems from east to west.

41.
What causes wind?
a)
convection currents
b)
conduction currents
c)
radiation currents
d)
tropical currents
42.
Winds are caused by 
a)
equal heating 
b)
unequal heating
43.
What is the instrument called that measures air pressure?
a)
thermometer
b)
ruler
c)
yard stick
d)
barometer
44.
When air is heated, it will MOST likely
a)
expand and fall
b)
expand and rise
c)
condense and fall
d)
condense and rise
45.
Why does warm air rise?
a)
Warm air is more dense than cooler air.
b)
Warm air has more pressure than cooler air.
c)
Warm air is less dense than cooler air.
d)
Warm air has a higher dew point than cooler air.
46.
Which of these MOST likely causes winds to blow on Earth?
a)
Earth spins quickly, causing air to blow around.
b)
The gravity of Earth and the Moon push and pull the air.
c)
Warm air rises and cool air falls toward Earth's surface.
d)
Ocean waves push air onto the shore and across Earth's surface.
47.
Which describes how wind speed if affected by weather?
a)
rainy weather causes greater wind speeds
b)
warmer weather causes greater wind speeds
c)
differences in air pressure cause greater wind speeds
d)
small temperature changes cause greater wind speeds
48.
Which global winds have the greatest impact on the weather in the US?
a)
trade winds
b)
prevailing westerlies
c)
doldrums
d)
polar easterlies
49.
In which direction do prevailing westerlies flow?
a)
from east to west
b)
from west to east
c)
from north to south
d)
from south to north
50.
Which types of winds cause weather in North Carolina?
a)
polar easterlies
b)
prevailing westerlies
c)
polar westerlies
d)
prevailing easterlies
51.
I am a fast-moving ribbon of AIR that moves from west to east in the Northern Hemisphere around the Earth.
a)
California Current
b)
Gulf Stream
c)
Jet Stream
d)
Atlantic Ocean
52.
Which of the following are narrow belts of strong winds found in the upper troposphere?
a)
doldrums
b)
westerlies
c)
trade winds
d)
jet streams
53.
What will most likely result when the jet stream moves south of North Carolina? 
a)
A North Carolina will experience tropical weather conditions.
b)
B North Carolina will experience hot, dry weather.
c)
C North Carolina will experience mild weather.
d)
D North Carolina will experience cold weather.
54.
In which direction do prevailing westerlies flow?
a)
from east to west
b)
from west to east
c)
from north to south
d)
from south to north
55.
How does the jet stream affect the weather?
a)
The jet stream transports weather systems that affect us.
b)
The jet stream does not affect the weather.
c)
The jet stream releases oxygen so we can breathe.
d)
The jet stream brings only bad weather.
56.
Which best describes a characteristic of the jet stream? 
a)
A It forms a boundary between a cold air mass and a warm air mass.
b)
B It creates the high winds around the eye of a hurricane.
c)
C It forces the hot air along the equator to rise to areas in North America.
d)
D It causes high pressure air masses to rotate clockwise.
57.
On a given day, which most affects the amount of rainfall an area is expected to receive?
a)
climate
b)
jet stream
c)
meteorologists
d)
wind speed
58.
Which best describes a characteristic of the jet stream?
a)
It forms a boundary between a cold air mass and a warm air mass.
b)
It creates the high winds around the eye of a hurricane.
c)
It forces the hot air along the equator to rise to areas in North America.
d)
It causes high pressure air masses to rotate clockwise.
59.
What will most likely result when the jet stream moves south of North Carolina?
a)
North Carolina will experience tropical weather conditions.
b)
North Carolina will experience hot, dry weather.
c)
North Carolina will experience mild weather.
d)
North Carolina will experience cold weather.
60.
Which describes a wind that moves from the land to the sea overnight?
a)
land breeze
b)
sea breeze
c)
trade wind
61.
How does the jet stream affect weather conditions around the world?
a)
The strong wind current of the jet stream pushes weather systems around the world.
b)
The weak wind current of the jet stream redirects weather systems around the world.
c)
The strong wind current of the jet stream prevents weather systems from moving around the world.
62.
What impact does the Gulf Stream have on North Carolina’s coastal climate?
a)
The cold water from the Gulf Stream current cools the land.
b)
The warm water from the Gulf Stream current warms the land.
c)
The cold water from the Gulf Stream current decreases inland wind speeds.
d)
The warm water from the Gulf Stream current increases inland wind speeds.
63.
Which best describes the Gulf Stream?
a)
an ocean current which originates in the Gulf of Mexico and causes warm water to travel up the east coast of the United States
b)
an ocean current which originates in the Gulf of Mexico and causes cool water to travel up the east coast of the United States
c)
an ocean current which originates in the Gulf of Mexico and causes warm water to travel down the east coast of Mexico
d)
an ocean current which originates in the Gulf of Mexico and causes cool water to travel down the east coast of Mexico
64.
Which is most likely an effect of the Gulf Stream?
a)
heavy rains in California
b)
severe drought in Australia
c)
milder winter temperatures in Florida
65.
Which is true about sea breezes?
a)
They form when both the land and the ocean have cooler temperatures.
b)
They form when both the land and the ocean have warmer temperatures.
c)
They form because the land warms up more quickly than the cooler ocean waters.
d)
They form because the ocean warms up more quickly than the cooler land masses.
66.
During winter, which winds deliver cold air that enters North Carolina?
a)
polar westerlies
b)
prevailing westerlies
c)
northeast trade winds
d)
southeast trade winds