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Air

Total questions: 44

Worksheet time: 22mins

Name
Class
Date
1.

__________ gas occupies the major part of composition of air.

a)

nitrogen

b)

oxygen

c)

carbon dioxide

2.

___________ gas is necessary for burning

a)

oxygen

b)

nitrogen

c)

carbon dioxide

3.

what is the main cause of air pollution

a)

none of the above

b)

fire

c)

vehicles

d)

planting trees

4.

Air is made up mostly of

a)

oxygen

b)

nitrogen

c)

carbon

d)

hydrogen gas

5.

Look at the photo. This is an example of _____ pollution.

a)

water

b)

air

c)

land

6.

The layer of atmosphere in which space shuttles orbit is called ______________.

a)

exosphere

b)

thermosphere

c)

stratosphere

d)

troposphere

7.

Which property of air does this image represent?

a)

Air is required for burning.

b)

Air occupies space

c)

Air is essential for living

d)

Air can burn

8.

What are the important objects for survival of plants and animals?

a)

Rainfall

b)

Sunlight

c)

Oxygen

d)

All of these

9.

The layer of atmosphere in which space shuttles orbit is called ______________.

a)

exosphere

b)

thermosphere

c)

stratosphere

d)

troposphere

10.

Which list contains the layers of the atmosphere in order from closest to Earth to farthest from Earth?

a)

Thermosphere, Exosphere, Stratosphere, Mesosphere, Troposphere

b)

Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere

c)

Exosphere, Troposphere, Mesosphere, Thermosphere, Stratosphere

11.

Which property of air does this image represent?

a)

Air is required for burning.

b)

Air occupies space

c)

Air is essential for living

d)

Air can burn

12.

What is the percentage of Oxygen in air?

a)

70%

b)

21%

c)

20%

d)

78%

13.

Which list contains the layers of the atmosphere in order from closest to Earth to farthest from Earth?

a)

Thermosphere, Exosphere, Stratosphere, Mesosphere, Troposphere

b)

Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere

c)

Exosphere, Troposphere, Mesosphere, Thermosphere, Stratosphere

14.

Which list contains the layers of the atmosphere in order from closest to Earth to farthest from Earth?

a)

Thermosphere, Exosphere, Stratosphere, Mesosphere, Troposphere

b)

Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere

c)

Exosphere, Troposphere, Mesosphere, Thermosphere, Stratosphere

15.

What is the percentage of Oxygen in air?

a)

70%

b)

21%

c)

20%

d)

78%

16.

Which 2 gases are most common in Earth's atmosphere?

a)

Carbon Dioxide (C02) & Nitrogen (N2)

b)

Oxygen (O2) & Carbon Dioxide (CO2)

c)

Water Vapor (H2O) & Oxygen (O2)

d)

Nitrogen (N2) and Oxygen (O2)

17.

________% of carbon dioxide is present in the atmosphere.

a)

98%

b)

78%

c)

1%

d)

0.03%

18.
What are the percentages of the main gases on Earth?
a)
78% oxygen, 21% nitrogen and 1% other
b)
78% other, 21% oxygen and 1% nitrogen
c)
78% nitrogen, 21% oxygen and 1% other
d)
95% carbon dioxide and 5% oxygen
19.

The_________ makes the windmill

rotate.

a)

electricity

b)

wind

20.
Which of these do plants need in order to make food?
a)
argon
b)
carbon dioxide
c)
nitrogen
d)
oxygen
21.

How much percentage of Nitrogen is present in the Air

a)

32%

b)

78%

c)

71%

d)

21%

22.

Air is made up of a mixture of many different kinds of gases.

a)

True

b)

False

23.

Wet hair get dry in Sun because___________

a)

water turns into steam and goes in the sun

b)

steam turns into water

c)

steam turns into ice

d)

water turns into steam and goes in the air

24.

If two air filled balloons are placed in the corner of the stick, one is pricked, Which of the statement is correct?

a)

Pricked one side goes up and filled balloon side comes down.

b)

Air has weight

c)

boith the above statements are correct

d)

Air doenot take space.

25.

What is wind?

a)

Moving air

b)

stopped air

c)

hot moving air

26.

7. The process after evaporation is _______.

a)

Condensation

b)

Transformation

c)

Transpiration

27.

1. Pleasant cool wind is known as __________.

a)

Gale

b)

Breeze

c)

Storm

d)

Wind

28.

2. Strong and heavy wind is called _______.

a)

Gale

b)

Thunderstorm

c)

Storm

29.

Moving air is called

a)

Storm

b)

Wind

c)

Hail

d)

None of the above

30.

Air is

a)

Colourless and tasteless

b)

Colourless , odourless and tasteless

c)

Only tasteless

31.

The gas that is present in the highest amount in air

a)

Nitrogen

b)

Oxygen

c)

carbon dioxide

d)

Helium

32.

In what direction(s) does air exert pressure?

a)

everywhere

b)

in one direction

c)

downwards only

d)

upwards only

33.

What happens to air pressure as you move upward into the atmosphere?

a)

increases

b)

decreases

c)

stays the same

34.

what are properties of air?

a)

It fills space

b)

it has no weight

c)

it has colour

d)

there is no air on earth

35.

We need air for

a)

breathing

b)

burning

c)

drying clothes

d)

all of the above

36.

Which layer of the atmosphere would jets fly in to avoid a thunderstorm?

a)

troposphere

b)

thermosphere

c)

mesosphere

d)

stratosphere

37.
Which layer of our atmosphere has no outer limits? (Hint: where satellites are located)
a)
ionosphere
b)
stratosphere
c)
thermosphere
d)
exosphere
38.
Where is the ozone layer, which absorbs UV radiation, located in our atmosphere?
a)
stratosphere
b)
thermosphere
c)
mesosphere
d)
troposphere
39.
In which layer of the atmosphere do we live and weather occurs?
a)
stratosphere
b)
thermosphere
c)
mesosphere
d)
troposphere
40.

What is the second most abundant gas in the atmosphere at 21%?

a)

oxygen

b)

nitrogen

c)

argon

d)

carbon dioxide

41.
Which layer is the lowest layer of the atmosphere?
a)
stratosphere
b)
thermosphere
c)
troposphere
d)
mesosphere
42.
Which layer is the lowest layer of the atmosphere?
a)
stratosphere
b)
thermosphere
c)
troposphere
d)
mesosphere
43.

Meteors begin to burn up in the...

a)

stratosphere

b)

thermosphere

c)

troposphere

d)

mesosphere

44.
The ________ is between the mesosphere and troposphere.
a)
stratosphere
b)
thermosphere
c)
troposphere
d)
mesosphere

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