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WorksheetsSOCIAL SCIENCE CH-4 Air
Total questions: 20
Worksheet time: 11mins
Select the best options- ___________________ are the affects of global warming
increasing population
extinction of certain species
Flooding in coastal areas
Smoke from factories
The approximate percentage of carbon di oxide in the air is ?
0.003%
78%
0.093%
0.03%
Which instrument is used to record the direction of wind
Rain gauge
Wind vane
wind mill
Barometer
WHY DO WE HAVE DAILY WEATHER FORECAST ?
as weather is fixed condition of a place for a long period of time
as weather is hour to hour day to day condition of atmosphere
weather makes one irritable
None of the above
The height of stratosphere is approximately
30km
80-400km
80km
50km
SELCT THE BEST OPTION - What is the standard unit of measuring temperature ? who in invented it
FARHANIEGHT , ANDERS CELSIUS
FARHANIEGHT , Daniel Gabriel Fahrenheit
CELSIUS, Daniel Gabriel Fahrenheit
CELSIUS, ANDERS CELSIUS
Radio transmission takes place in EXOSPHERE
TRUE
FALSE
CAN'T BE DETERMINED
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SELECT THE BEST OPTION- AIR PRESSURE IS _____________________________
Highest at sea level increases with height
Lowest at sea level increases with height
Lowest at sea level decreases with height
Highest at sea level decreases with height
AIR MOVES FROM (a) (please type your answer with caps loc on ,in CAPITAL)
Horizontal distribution of ______________ is influenced by temperature of air at a given place
air
air pressure
wind
sea
Assertion: Astronauts have to wear special space suits filled with air when the go to the moon.
Reason: There is no air pressure on moon to counter air pressure released by there body hence they would bleed.
Both assertion and reason are false
Assertion is true and reason is false
Both assertion and reason are true and reason is not the correct explanation for assertion
Both assertion and reason are true reason is the correct explanation for assertion
Assertion: Low pressure areas associated with wet weather and cloudy skies.
Reason: High pressure areas are associated with sunny skies.
both 'A' and 'R' are false
Both are true but 'R' is not the correct explanation for 'A'
Both are true but 'R' is the correct explanation for 'A'
'R' is true , 'A' is false
An important factor that influences the distribution of temperature is ?
Insolation
Air pressure
Assertion: temperature decreases from equator towards poles.
Reason: incoming solar energy intercepted by earth decreases from equator towards poles
'R' is true , 'A' is false
Both are true but 'R' is the correct explanation for 'A'
Both are true but 'R' is not the correct explanation for 'A'
'A' is false but 'R' is true
As air rises in the atmosphere, it cools and water vapor condenses, forming a_______________
cloud
rainbow
sunset
tornado
We usually have to wear coats in December because it is cold is an example of...
Weather
Climate
Which layer has the highest air pressure
troposphere
stratosphere
mesosphere
thermosphere
Where is air pressure the greatest?
at the top of a mountain
at the foot of the mountain
the air pressure is the same
halfway up the mountain
Why are greenhouse gases like CO2 & methane important to Earth's climate?
They allow heat from Earth to escape the atmosphere
They trap the Sun's energy so that Earth's surface is warm
Easterlies are example of local winds
False
True
