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Atmosphere

Total questions: 45

Worksheet time: 23mins

Name
Class
Date
1.

Thermosphere is also called-

a)

Mesosphere

b)

Exosphere

c)

Terrosphere

d)

Ionosphere

2.

What gas makes up 21% of Earth's atmosphere ?

a)

Hydrogen

b)

Nitrogen

c)

Oxygen

d)

Sulphur dioxide

3.

height of Thermosphere...

a)

550km

b)

450km

c)

300km

d)

400km

4.

last layer of atmosphere

a)

thermosphere

b)

stratosphere

c)

exosphere

d)

ionosphere

5.

There are how many layers of atmosphere ?

a)

5

b)

4

c)

3

d)

6

6.
Some Solar radiation doesn't reach Earth because _____
a)
it is reflected off particles in the atmosphere
b)
it is absorbed by clouds and particles in the atmosphere
c)
it is reflected off clouds
d)
all are correct
7.

Of the FOLLOWING answer choices, chose the OUTERMOST layer of the atmosphere

a)

thermosphere

b)

troposphere

c)

mesosphere

8.
What is created because land and heats and cools more quickly than the water?
a)
Trade winds
b)
Polar easterlies
c)
Sea and land breezes
d)
Doldrums
9.
Source of all energy in our atmosphere
a)
ions
b)
water cycle
c)
The Moon
d)
The Sun
10.
What does a barometer do?
a)
measures air pressure
b)
measures temperature
c)
measures humidity
d)
measures length
11.
How are the layers of the atmosphere classified?
a)
Density
b)
Gases
c)
Humidity
d)
Temperature
12.

Which gas is represented by Gas #1?

a)

Oxygen

b)

Carbon dioxide

c)

Argon

d)

NItrogen

13.
As we go higher in  the atmosphere, the air pressure
a)
decreases
b)
increases
c)
does not change
d)
gets heavier
14.

What layer does most weather occur in?

a)

mesosphere

b)

stratosphere

c)

thermosphere

d)

troposphere

15.

What does the ozone layer do for us?

a)

It protects us from meteors

b)

It protects us from ultraviolet (UV) radiation

c)

It protects us from violet solar flares

d)

It does not help us at all

16.

In which layer of the atmosphere do we live?

a)

thermosphere

b)

troposphere

c)

stratosphere

d)

mesosphere

17.

Which statement most accurately describes the temperature trend in the Troposphere?

a)

rise with increasing altitude above the Earth

b)

rise then fall with increasing altitude above the Earth

c)

decrease with increasing altitude above the Earth

d)

remain constant with increasing altitude above the Earth

18.

This is the layer where most commercial jet airliners fly:

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

19.

Which pie chart correctly shows the percentages of elements in the air?

a)

a

b)

b

c)

c

d)

d

20.

The atmosphere extends up to______ above the Earth's surface.

a)

2,000 km

b)

1,800 km

c)

1,600 km

d)

1,400 km

21.

Air is the most dense

a)

Above sea level

b)

At sea level

c)

Below sea level

d)

None of the above

22.
Air Temperature decrease with altitude
a)
True 
b)
False
23.
As altitude increases, the air pressure 
a)
decreases
b)
stays the same
c)
increases
d)
all of the above
24.
The ozone layer
a)
is green and purple
b)
absorbs dangerous solar radiation
c)
smells like sulphur
d)
is made of carbon dioxide
25.

Stratosphere contains a layer of which gas

a)

Ozone gas

b)

Helium gas

c)

Hydrogen gas

d)

None

26.

At what height 1°C drops

a)

123m

b)

432m

c)

787m

d)

165m

27.

Tell the correct order

a)

mesosphere, exosphere, thermosphere, troposphere, stratosphere

b)

troposphere, stratosphere, mesosphere, exosphere, thermosphere

c)

troposphere, stratosphere, mesosphere, thermosphere, exosphere

28.

which statement in wrong

a)

Mesosphere is the middle layer

b)

atmosphere is of 1,600km in height

c)

troposphere has the ozone layer

d)

thermosphere has ions

29.

Exosphere has the the temperature of

a)

5,000 °C

b)

5,467 °C

c)

5,500 °C

d)

3554 °C

30.

Troposphere is the

a)

1st layer

b)

2nd layer

c)

3rd layer

d)

4th layer

31.

In mesosphere meso means

a)

Middle

b)

Fire

c)

Meteoroids

32.
What is the function of the ozone layer?
a)
to allow UV rays to get to Earth
b)
to block UV rays from getting to Earth
c)
To keep oxygen in
d)
to allow meteors to get to Earth
33.
In which layer of the atmosphere would you find the top of Mount Everest?
a)
Troposphere
b)
Stratosphere
c)
Mesosphere
d)
Thermosphere
34.
Which layer of the atmosphere is the coldest?
a)
Troposphere
b)
Stratosphere
c)
Mesosphere
d)
Thermosphere
35.
Why does air pressure differ around the earth?
a)
Cold air rises at the equator and warm air sinks at the poles.
b)
Cold air sinks at the equator and warm air rises at the poles.
c)
Warm air  air sinks at the equator and cold air rises at the poles.
d)
Warm air rises at the equator and cold air sinks at the poles.
36.
The layers of the atmosphere that get hotter with increased altitude are the
a)
thermosphere and mesosphere
b)
troposphere and mesosphere
c)
thermosphere and stratosphere
d)
stratosphere and mesosphere
37.
The layers of the atmosphere in order from bottom to top are
a)
troposphere, stratosphere, mesosphere, thermosphere, exosphere
b)
troposphere, mesosphere, atmosphere, thermosphere
c)
mesosphere, thermosphere, troposphere, stratosphere, exosphere
d)
thermosphere, stratosphere, mesosphere, troposphere, exosphere
38.
Earth's current atmosphere is
a)
78% nitrogen, 21% oxygen, 0.9% argon and 0.037% carbon dioxide
b)
78% oxygen, 21%nitrogen, 0.9% argon, 0.037% carbon dioxide
c)
78% nitrogen, 21% argon, 1% oxygen
d)
78% oxygen, 21% nitrogen, 1% carbon dioxide
39.

Exosphere consists of

a)

Rarefied Hydrogen and Helium

b)

Rarefied Helium and Hydrogen

c)

Oxygen and Hydrogen

d)

Hydrogen and Argon

40.

The ________ layer keeps the Earth warm

a)

Mesosphere

b)

Thermosphere

c)

Troposphere

d)

Stratosphere

41.

The stratosphere contains ______ which absorbs the harmful ultraviolet Radiations of the Sun.

a)

Tropopause

b)

Water Vapour

c)

Dust

d)

Ozone

42.

In which layer of the atmosphere does all the weather phenomena takes place ?

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

43.

Identify the layer of Earth marked in the above Diagram.

a)

Troposphere

b)

Mesosphere

c)

Stratosphere

d)

Thermosphere

44.

What is the Amount of Oxygen present in the atmosphere?

a)

12%

b)

21%

c)

20%

d)

19%

45.

The blanket of air that surrounds the Earth is called _____

a)

Atmosphere

b)

Biosphere

c)

Hydrosphere

d)

Lithosphere

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