Font size
WorksheetsAtmospheric Pressure & Winds
Total questions: 131
Worksheet time: 33hrs 45mins
Cyclones have _________________ pressure at the centre.
Low
High
Gradient
Steep
Isobars are imaginary lines drawn on a map joining places having same or equal mean atmospheric pressure reduced to sea level.
atmospheric pressure
temperature
rainfall
The pressure belt that lies around the Equatorial region is -
Equatorial high pressure belt
Equatorial low pressure belt
Tropical high pressure belt
Sub-tropical low pressure belt
Trade Winds and Westerlies are examples of _____________ winds
Local
Seasonal
Planetary
Periodic
Monsoon comes from the word 'Mausim' which means -
jet stream
snow-eater
land breeze
season
Temperate cyclones are ____________ in origin.
thermal
frontal
seasonal
diurnal
Identify the phenomenon in the picture.
a cyclone in the Northern hemisphere
a cyclone in the Southern hemisphere
an anticyclone in the Northern hemisphere
an anticyclone in the Southern hemisphere
Cyclones in the USA are known as _______________.
Typhoons
Roaring forties
Tornadoes
Willy-willies
What are the Anti-Trade winds also known as?
Easterlies
Horse Latitudes
Polar winds
None of the above
Trade Winds in the Northern hemisphere are called _______________.
North-West Trade winds
North- Westerlies
South West Trade winds
North East Trade winds
Identify the correct statement:-
The eye of a tropical cyclone is an area of calm with light winds, no rain and clear sky.
An anticyclone has an area of low pressure, surrounded by high pressure areas.
Tropical cyclones are more frequent in winters than in summers.
Rainfall in temperate cyclones is torrential.
Temperate cyclones are characterized by ____________.
heavy rainfall with thunderstorms
winds and rain active in every part of the cyclone
strong winds at all times of the cyclone
lot of destruction
Which of the following results into land and sea breezes?
unequal pressure gradients
unequal heating of land and water
unequal distribution of insolation
none of the above
One of the following is a factor affecting atmospheric pressure. Identify the right one:-
Change of direction in winds due to shifting of pressure belts.
Influence of the Moon and Sun on the Earth.
Influence of Altitude on pressure.
Weather maps show isobars.
One of the following statements is true for Weather maps. Identify the correct statement:-
When the isobars are far apart, the pressure gradient is gentle and this indicates stormy weather.
When the isobars are closer, the pressure gradient is steep and this indicates calm weather.
When the isobars are closer, the pressure gradient is steep and this indicates stormy weather.
When the isobars are far apart, the pressure gradient is steep and this indicates pleasant weather.
Tropical cyclones are more frequent in summer because -
they require a sea-surface temperature of 26⁰ C and a high relative humidity.
they are frontal in origin.
the weather systems produce steep pressure gradients in the tropical regions.
they are often accompanied with anticyclones.
The weight of air on a unit area of the earth is called as _________.
Pressure Gradient
Air Pressure
What unit is used to express atmospheric pressure?
Millibars
Degrees
Pressure is measured with a _________.
Thermometer
Mercury barometer
What do Alisha, Avni, and Naira call the horizontal movements of air?
Winds
Air Currents
the rate of change of atmospheric pressure between two points on the earth’s surface is called ________
Pressure gradient.
Air Pressure
At a school science fair, Rohan and Akhil set up an experiment to demonstrate the effect of atmospheric pressure. They observed that the water in a straw rose as they moved from the ground floor to the first floor. Aanya, who was also participating in the fair, asked them if atmospheric pressure increases as you move towards lower elevations and decreases as you move into higher elevations. Is this statement True or False?
True
False
This is NOT an example of a global wind
trade winds
easterlies
land breeze
westerlies
Which statement correctly defines wind?
The movement of air from areas of low pressure to areas of high pressure
The movement of air to a colder area in the atmosphere.
The movement of air from areas of high pressure to areas of low pressure.
The movement of air pushed around and bouncing off Earth's surface.
What is the initial source for global winds and convection in the atmosphere?
heat from the Earth's core
the rotation of the Earth
Moon's gravity
unequal heating of the Earth by the sun
During a camping trip, which diagram shows the formation of a land breeze?
diagram Y
diagram X
neither
both
In a geography class, Vanya asked the teacher, 'In which direction do prevailing westerlies flow?'
from east to west
from west to east
from north to south
from south to north
The Coriolis effect causes what to happen in a real-world scenario?
the Earth to rotate on its axis
continental deflection
global winds and surface currents to move in a curved path instead of a straight line
global winds and deep ocean currents to move in a curved path instead of a straight line.
In a classroom, where Arnav, Naira, and Aisha are sitting, in what direction(s) does air exert pressure?
everywhere
no where
there is no pressure
downward
Cool air sinks at the sub-tropical highs, what does this lead to? SELECT TWO
Deserts
Cloudless skies and low rainfall
Tropical rainforests
Clouds and rainfall
What are trade winds?
Surface winds blowing towards the equator
Atmospheric winds
Winds blowing away from the equator
Low pressure winds
Why is it hot and dry at sub-tropical highs?
Cold air sinking, no clouds can form
Warm air sinking, no clouds can form
Cold air rising
Warm air rising
Where in the diagram are the high-pressure belts?
A, B, C, D
A, C, E, G
D, E, F, G
B, C, D, E, F
Land heats and cools faster than water causing wind and weather.
High pressure areas are
anti-cyclones
cyclones
jet streams
doldrums
_______ and ________ are the units used by meteorologists to describe air pressure.
inches of mercury and millimeters of water
millibars and degrees celsius
degrees faharenheit and celsius
inches of mercury and millibars
Increased wind speed is accompanied by
No change in temperature
Reduced pressure
Increased pressure
No change in pressure
Which of the following plays an important role in the early-warning systems for cyclones?
Helicopters
Submarines
Satellites
Stars
A dark funnel shaped cloud that reaches from the sky to the ground is
Hurricane
Tornado
Typhoon
Thunderstorm
Leaves of trees, banner or flags flutter when wind is blowing. Why?
Air occupies space
Air is a mixture of gases
Air exerts pressure
Air is colourless
The winds from oceans carry water and bring rain. These winds are called
Typhoon
Monsoon
Cyclone
None of these
Pick the odd one out
Cyclone
Hurricane
Monsoon
Typhoon
The change in shape of a hot tin can when cold water is poured on it is because
pressure inside the can is less than the pressure outside
the pressure inside the can is greater than the pressure outside
the pressure inside the can is equal to the atmospheric pressure
the pressure inside the can is equal to the pressure outside
The distribution of atmospheric pressure across the latitudes is termed as ______.
Global horizontal distribution
Subtropical highs
The pattern of alternate high and low pressure belts over the earth is because the spherical shape of the earth.
True
False
At the poles the cold heavy air causes low pressure to be formed.
True
False
Vertical movement of air is called as ______.
Winds
Air currents
Tropical cyclones are produced on land and sea both.
True
False
Tropical cyclone which occurs on the land is called as _____.
Hurricane
Tornado
Winter monsoon winds are capable of producing rain.
True
False
The permanent winds are named on the basis of the direction from which they arrive.
True
False
________ winds prevail from 35 degrees to 60 degree north and south.
Easterlies
Westerlies
According to the map, which shows isobars, which location has the fastest wind speeds?
A
B
C
D
According to the map, what is a possible value for location A?
1028
1024
1030
1034
What is a monsoon?
an adorable little animal that hunts snakes and could eat your face off
a seasonal wind that brings intense rainfall during part of the year
A large scale tornado
an earthquake in Asia
Monsoons develop as a result of
large changes between the temperatures of a continent and neighboring oceans
a continent and neighboring oceans having nearly the same temperatures
air rising over Earth's equatorial region
air sinking over Earth's polar regions
Globally, air moves in convection cells about every ___ of latitude, producing pressure belts.
10 degrees
20 degrees
30 degrees
40 degrees
The ___ are where the trade winds meet in a calm area around the equator. Very little wind blows here.
equatorial lows
doldrums
equatorial highs
___ are narrow belts of high-speed winds that blow from west to east, between 7 km and 16 km above Earth’s surface.
polar easterlies
doldrums
jet streams
polar vortexes
Where does the air move in a CYCLONE?
Upwards
Downwards
Where does the air move in an ANTICYCLONE?
Upwards
Downwards
What type of weather does an ANTICYCLONE bring?
Clear and calm
Stormy
Does an ANTICYCLONE have low or high pressure?
Low
High
The oceans are getting warmer. Will this INCREASE or DECREASE the power of cyclones?
Increase
Decrease
Would climate change create more CYCLONES or ANTICYCLONES?
Cyclones
Anticyclones
Cyclones (over water) are called _____ in the American continent and ______ in Philippines and Japan.
thunderstorms, hurricanes
thunderstorms, typhoons
hurricanes, typhoons
typhoons, hurricanes
Anticyclones may form when the cooling surface cools down the air above
it.
True
False
Forming has nothing to do with temperature
Fair weather can usually be expected with the approach of which of the following?
cyclone
anticyclone
low-pressure system
none of these
What set of winds pushes weather across the U.S.?
Trade Winds
Sea Breeze
Westerly Winds
Land Breeze
Aneroid barometers and mercury barometers are both used to measure what?
Temperature
Air pressure
Density
Moisture
What is the ultimate driving force of wind?
The sun
The Earth's rotation
The moon
Tectonic plate shifting
The Coriolis effect is the deflection of wind due to the Earth's rotation. What kind of deflection occurs at the equator?
Left
Right
South
No deflection
