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Global Winds & Jet Stream

Total questions: 22

Worksheet time: 31mins

Name
Class
Date
1.

Winds are caused by

a)

equal heating

b)

unequal heating

2.

What is the jet stream?

a)

Precipitation in North Carolina

b)

Weather over a long period of time

c)

Strong winds above the Earth's surface

d)

Football flying over the Earth

3.

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

a)

Jet Stream

b)

doldrums

c)

equator

d)

polar easterlies

4.
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
5.

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.

6.
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.
7.
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.
8.

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.

9.
Which has the greatest affect on the movement of the jet stream?
a)
differences in air temperatures
b)
amount of precipitation
c)
size of clouds
d)
The jet stream does what it wants.
10.
What causes wind?
a)
convection currents
b)
conduction currents
c)
radiation currents
d)
tropical currents
11.
Winds are caused by 
a)
equal heating 
b)
unequal heating
12.
When air is heated, it will MOST likely
a)
expand and fall
b)
expand and rise
c)
condense and fall
d)
condense and rise
13.
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.
14.
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.
15.
Which global winds have the greatest impact on the weather in the US?
a)
trade winds
b)
prevailing westerlies
c)
doldrums
d)
polar easterlies
16.
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
17.
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
18.
The curving path of a moving object from an otherwise straight path due to Earth's rotation is called what?
a)
Sublimation
b)
Continental Deflection
c)
Transpiration
d)
Coriolis Effect
19.
What type of winds blow constantly, predictably, and over long distances?
a)
land breezes
b)
mountain breezes
c)
global winds
d)
land breezes
20.

The Coriolis effect causes ___________.

a)

the Earth to rotate on its axis

b)

earthquakes

c)

global winds to move in a curved path instead of a straight line

d)

the Earth to revolve around the sun

21.
The tropical winds running from 0 to 30 degrees latitude are called:
a)
subtropical westerlies
b)
polar westerlies
c)
trade winds
d)
polar winds
22.
Cool, sinking air at 30 degrees North create a pressure belt known as the:
a)
Trade Winds
b)
Doldrums
c)
Horse Latitudes
d)
Westerlies

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