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atmospheric pressure and winds

Total questions: 90

Worksheet time: 48mins

Name
Class
Date
1.

Cyclones have _________________ pressure at the centre.

a)

Low

b)

High

c)

Gradient

d)

Steep

2.

Isobars are imaginary lines drawn on a map joining places having same or equal mean ______________________ reduced to sea level.

a)

atmospheric pressure

b)

temperature

c)

rainfall

3.

The pressure belt that lies around the Equatorial region is -

a)

Equatorial high pressure belt

b)

Equatorial low pressure belt

c)

Tropical high pressure belt

d)

Sub-tropical low pressure belt

4.

Trade Winds and Westerlies are examples of _____________ winds

a)

Local

b)

Seasonal

c)

Planetary

d)

Periodic

5.

At the time of this day, the World's pressure belts shift southwards by 5⁰ except for the South Polar High pressure belt.

a)

March 21st (Spring Equinox)

b)

September 23rd (Autumn Equinox)

c)

December 22nd (Winter Solstice)

d)

June 21st (Summer Solstice)

6.

Monsoon comes from the word 'Mausim' which means -

a)

jet stream

b)

snow-eater

c)

land breeze

d)

season

7.

Temperate cyclones are ____________ in origin.

a)

thermal

b)

frontal

c)

seasonal

d)

diurnal

8.

Identify the phenomenon in the picture.

a)

a cyclone in the Northern hemisphere

b)

a cyclone in the Southern hemisphere

c)

an anticyclone in the Northern hemisphere

d)

an anticyclone in the Southern hemisphere

9.

Cyclones in the USA are known as _______________.

a)

Typhoons

b)

Roaring forties

c)

Tornadoes

d)

Willy-willies

10.

Anti-Trade winds are also known as __________________.

a)

Easterlies

b)

Horse Latitudes

c)

Polar winds

d)

None of the above

11.

Trade Winds in the Northern hemisphere are called _______________.

a)

North-West Trade winds

b)

North- Westerlies

c)

South West Trade winds

d)

North East Trade winds

12.

Chinook is a _______________ wind.

a)

Hot, dry

b)

Warm, dry

c)

Cold, dry

d)

none of the above

13.

Identify the correct statement:-

a)

Loo is a hot, dry wind which blows in the Southern Alps.

b)

Monsoon winds change directions due to Coriolis effect.

c)

Cyclones have high pressure area in the centre surrounded by areas of low pressure.

d)

Anticyclones are associated with fine weather.

14.

Identify the correct statment:-

a)

The eye of a tropical cyclone is an area of calm with light winds, no rain and clear sky.

b)

An anticyclone has an area of low pressure, surrounded by high pressure areas.

c)

Tropical cyclones are more frequent in winters than in summers.

d)

Rainfall in temperate cyclones is torrential.

15.

Temperate cyclones are characterized by ____________.

a)

heavy rainfall with thunderstorms

b)

winds and rain active in every part of the cyclone

c)

strong winds at all times of the cyclone

d)

lot of destruction

16.

Given below are names of four local winds. Identify the odd one out with the correct reason:-

Chinook, Mistral, Loo, Foehn.

a)

Chinook, because it melts the snow on the Rockies, while the others are names of cold local winds.

b)

Loo, because it blows from a desert, while the others are winds that blow in mountain or coastal regions.

c)

Mistral, because it is the only cold local wind, while the others are warm local winds.

d)

Foehn, because it actually blows on the windward side of the Alps, while the others blow on the leeward side of mountain ranges.

17.

_________________________ results into land and sea breezes.

a)

unequal pressure gradients

b)

unequal heating of land and water

c)

unequal distribution of insolation

d)

none of the above

18.

One of the following is a factor affecting atmospheric pressure. Identify the right one:-

a)

Change of direction in winds due to shifting of pressure belts.

b)

Influence of the Moon and Sun on the Earth.

c)

Influence of Altitude on pressure.

d)

Weather maps show isobars.

19.

One of the following statements is true for Weather maps. Identify the correct statement:-

a)

When the isobars are far apart, the pressure gradient is gentle and this indicates stormy weather.

b)

When the isobars are closer, the pressure gradient is steep and this indicates calm weather.

c)

When the isobars are closer, the pressure gradient is steep and this indicates stormy weather.

d)

When the isobars are far apart, the pressure gradient is steep and this indicates pleasant weather.

20.

Tropical cyclones are more frequent in summer because -

a)

they require a sea-surface temperature of 26⁰ C and a high relative humidity.

b)

they are frontal in origin.

c)

the weather systems produce steep pressure gradients in the tropical regions.

d)

they are often accompanied with anticyclones.

21.

Aneroid barometers and mercury barometers are both used to measure what?

a)

Temperature

b)

Air pressure

c)

Density

d)

Moisture

22.

In what direction does pressure move?

a)

From low to high

b)

From north to south

c)

From east to west

d)

From high to low

23.

What is the ultimate driving force of wind?

a)

The sun

b)

The Earth's rotation

c)

The moon

d)

Tectonic plate shifting

24.

The picture indicates warm waters being brought to South America. What event is occurring at this time?

a)

La Nina

b)

The Coriolis effect

c)

El Nino

d)

Drought conditions

25.

What occurs in a high pressure system?

a)

Warm air rises

b)

Warm air is pushed down

c)

Clouds form

d)

Snow/precipitation

26.

What occurs in a low pressure system?

a)

Warm air is pushed down

b)

Cold air rises

c)

High chance of storms/precipitation

d)

Strong winds

27.

When tracking a hurricane, when can you expect a hurricane to lose strength?

a)

When a low pressure system pushes against it

b)

When a high pressure system pushes against it

c)

When it hits land

d)

After it passes into cooler waters

28.

The Coriolis effect is the deflection of wind due to the Earth's rotation. What kind of deflection occurs at the equator?

a)

Left

b)

Right

c)

South

d)

No deflection

29.

Which of the following biomes could you find next to an arctic tundra?

a)

Savanna

b)

Tropical rainforest

c)

Boreal forest

d)

Chaparral

30.

Which of the following causes wind friction, altering the strength/direction of the wind?

a)

Trees

b)

Mountains

c)

Buildings

d)

All of these

31.

Chinook is a _______________ wind.

a)

Hot, dry

b)

Warm, dry

c)

Cold, dry

d)

none of the above

32.

_________________________ results into land and sea breezes.

a)

unequal pressure gradients

b)

unequal heating of land and water

c)

unequal distribution of insolation

d)

none of the above

33.

westerlies

a)

winds that blow from west to east between 30 and 60 degrees latitude in both hemishpheres

b)

winds that blow from 30 degrees latitude almost to the equator in both hemispheres

c)

area around the equator where there is very little wind ("dull", "sluggish")

d)

area around 30 degrees latitude in both hemispheres where there is very little wind

34.

There are ___________ major pressure belts on the earth's surface.

a)

three

b)

four

c)

six

d)

seven

35.

The ____________ low-pressure belt extends from 0 to 5° North and South of Equator

a)

Equatorial

b)

Subtropical

c)

Subpolar

36.

At about 30°North and South of Equator lies the area where the ascending equatorial air currents descend. This area is thus an area of high pressure. It is also called as the _____________________.

a)

Doldrums

b)

Tropics

c)

Horse Latitude

d)

Low

37.

The equatorial low-pressure belt is also called as _______________ because it is a zone of total calm without any breeze.

a)

horse latitude

b)

doldrums

c)

subpolar

38.

The equatorial low-pressure belt is also called as _______________ because it is a zone of total calm without any breeze.

a)

horse latitude

b)

doldrums

c)

subpolar

39.

Wind moves from _________ pressure areas to __________ pressure areas.

a)

high, low

b)

low, high

40.

The following are the three types of winds

a)

Permanent

b)

Periodic

c)

Local

d)

Public

41.

HOW ARE

PERIODIC WINDS

DIFFERENT FROM

PERMANANT WINDS

4 lines
42.

What is wind?

a)

Large scale movement of air caused by differences in air pressure

b)

Large scale movement of CO2 caused by differences in air pressure

c)

Large scale movement of air caused by differences in temperature

d)

Large scale movement of temperature caused by differences in air pressure

43.

Differences in air pressure are caused by...?

a)

Differences in the earths rotation

b)

Differences in temperature

c)

Differences in rainfall

d)

Differences in sea level

44.

Winds move from...

a)

high pressure to low pressure

b)

low pressure to high pressure

45.

Warm air...

a)

sinks

b)

rises

46.

Cold air ...

a)

sinks

b)

rises

47.

Where experiences warm temperatures with clouds and rain?

a)

The equator

b)

The sub-tropical highs

c)

The sub-polar lows

d)

The polar highs

48.

What weather is caused by low pressure?

a)

Clouds and rain

b)

Clear skies

49.

What weather is caused by low pressure?

a)

Clouds and rain

b)

Clear skies

50.

True or false - warm air rises, cools and condenses and forms clouds, this is called low pressure

a)

True

b)

False

51.

Cool air sinks at the sub-tropical highs, what does this lead to? SELECT TWO

a)

Deserts

b)

Cloudless skies and low rainfall

c)

Tropical rainforests

d)

Clouds and rainfall

52.

What are trade winds?

a)

Surface winds blowing towards the equator

b)

Atmospheric winds

c)

Winds blowing away from the equator

d)

Low pressure winds

53.

Surface winds blowing towards the poles are called ...

a)

westerlies

b)

easterlies

c)

southerlies

d)

northerlies

54.

Why has the UK got cloudy and wet weather?

a)

It is located at the sub-polar low

b)

It has a lot of mountains

c)

It is located in an area of high pressure

d)

It is located in the middle of an air mass

55.

Why is it hot and dry at sub-tropical highs?

a)

Cold air sinking, no clouds can form

b)

Warm air sinking, no clouds can form

c)

Cold air rising

d)

Warm air rising

56.
Why are there global winds?
a)
because the cold air sinkes from the poles to the equator
b)
because the earth is rotating from east to west
c)
because the sun heats the air at the equator more than anywhere else on earth
57.
If the Earth did not rotate, air at the Equator would simply
a)
Sink and move toward the poles.
b)
Rise and move toward the poles.
c)
Stay stationary.
d)
None of the above.
58.
How does the Coriolis Effect influence hurricanes and cyclones
a)
determines how powerful they will be
b)
determines where they will go
c)
determines where they form
d)
determines the direction of the wind rotation
59.

Objects in the NORTHERN Hemisphere deflect to which direction due to the Coriolis Effect?

a)

Left

b)

Up

c)

Down

d)

Right

60.

Objects in the SOUTHERN Hemisphere deflect to which direction due to the Coriolis Effect?

a)

Left

b)

Up

c)

Down

d)

Right

61.
What is the source of all energy in our atmosphere?
a)
Water
b)
Moon
c)
Sun
d)
Stars
62.
What method causes the Earth's surface to be heated by the sun?
a)
radiation
b)
conduction
c)
convection
d)
magnetism
63.
The Earth's surface is not heated evenly all over because
a)
it is flat.
b)
it is curved.
c)
the clouds block the sun.
d)
Venus is closer to the sun.
64.
What causes wind to form?
a)
a change in gravity
b)
a change in air pressure
c)
a change in wind direction
d)
a change Earth's rotation speed
65.
The air above this location rises because it has a lower density and a lower pressure.
a)
the North Pole
b)
the South Pole
c)
the Equator
d)
the Prime Meridian
66.
The air above the Equator is heated more than any other location on Earth's surface because
a)
the sun hits Earth most directly there.
b)
the sun hits Earth at a 45° angle there.
c)
the sun hits Earth at a 90° angle there.
d)
it is furthest from the sun's rays.
67.
Which type of air moves from the poles toward the Equator to help create global wind systems?
a)
Warm Air
b)
Less Dense Air
c)
Trade Winds
d)
Cold Air
68.
Wind is formed due to a change in air pressure. The change in air pressure forms
a)
a radiation zone
b)
a conduction connection
c)
a tidal wave
d)
a convection current
69.
Differences in air pressure are caused by 
a)
the moon
b)
the sun
c)
winds
d)
lines of latitude
70.
Convection currents and wind are caused by 
a)
the tilt of Earth's axis as it rotates
b)
the position of the moon during its revolution
c)
equal heating of Earth's surface
d)
unequal heating of Earth's surface
71.
Because Earth receives more energy from the Sun at the Equator than at the poles, it causes the atmosphere
a)
 to contain more air pollution between the Equator and the poles.
b)
to have a difference in air pressures which make winds
c)
to collect carbon dioxide that produce smog
d)
to produce more thunderstorms than anywhere else
72.
What causes the winds around the globe to blow in a curved direction rather than straight?
a)
The Law of Conservation of Energy
b)
The Coriolis Effect
c)
Convection Currents
d)
The Sun
73.
What causes the wind to form these patterns in the Northern and Southern Hemispheres?
a)
the Coriolis Effect
b)
the Doldrums
c)
The Horse Latitudes
d)
the sun's radiation
74.
Where would you find the Polar Easterlies forming on Earth?
a)
between the Equator and 30°N or S
b)
between 30° and 60°N or S
c)
between 60° and 90° N or S
d)
directly above the Equator
75.
Where would you find the Westerlies forming on Earth?
a)
between the Equator and 30°N or S
b)
between 30° and 60°N or S
c)
between 60° and 90° N or S
d)
directly above the Equator
76.
Where would you find the Trade winds forming on Earth?
a)
between the Equator and 30°N or S
b)
between 30° and 60°N or S
c)
between 60° and 90° N or S
d)
directly above the Equator
77.
Where would you find the Doldrums forming on Earth?
a)
between the Equator and 30°N or S
b)
between 30° and 60°N or S
c)
between 60° and 90° N or S
d)
directly above the Equator
78.
What is the Doldrums?
a)
an area of extremely high winds
b)
an area of cold, mild winds
c)
an area of hot, dry winds
d)
an area in which there is no wind
79.
What happens to the wind along the 30°N and 30°S lines of latitude?
a)
The winds die down greatly
b)
The winds increase greatly
c)
hurricanes are constantly blowing
d)
the winds form a vortex
80.
How are winds like the Polar Easterlies and Westerlies named?
a)
they are named for the direction they are moving
b)
they are named by the direction they come from
c)
they are named by their temperature
d)
they are named by their line of latitude
81.
How does radiation heat something?
a)
infrared or electromagnetic waves transfer energy from one object to anther
b)
energy is transferred by one object touching another
c)
energy is transferred by the rising and sinking of air currents
d)
it uses electricity, especially 60 watts
82.
How does conduction heat something?
a)
infrared or electromagnetic waves transfer energy from one object to anther
b)
energy is transferred by one object touching another
c)
energy is transferred by the rising and sinking of air currents
d)
it uses electricity, especially 60 watts
83.
How does convection heat something?
a)
infrared or electromagnetic waves transfer energy from one object to anther
b)
energy is transferred by one object touching another
c)
energy is transferred by the rising and sinking of air currents
d)
it uses electricity, especially 60 watts
84.
What is the jet stream?
a)
a deep ocean current
b)
an wind current high in the atmosphere
c)
a level of the atmosphere
d)
the trail left by an airplane
85.
All our weather occurs in which level of the atmosphere?
a)
mesosphere
b)
thermosphere
c)
ionosphere
d)
troposphere
86.
A sea breeze usually occurs...
a)
during the day because water is cooler than land
b)
during the night because the water is cooler than land
c)
during the day because the land is cooler than water
d)
during the night because the water is warmer than land
87.
A land breeze usually occurs...
a)
during the day because water is cooler than land
b)
during the night because the water is cooler than land
c)
during the day because the land is cooler than water
d)
during the night because the water is warmer than land
88.
A mountain breeze occurs during
a)
the night because the sun's radiation cools the land
b)
day because the sun's radiation heats the land
c)
at night because the valley is warmer
d)
day because the valley is colder
89.
A valley breeze occurs during
a)
the night because the sun's radiation cools the land
b)
night because the sun's radiation no longer heats the land
c)
at night because the valley is warmer
d)
day because the valley is colder
90.
What caused the horses to die at the 30° North latitude?
a)
hurricanes
b)
lack of wind
c)
a maniac with a taser
d)
a vortex of death

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