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Did you know the Moons diameter is 3,476km.

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Class V >> Environmental Studies >> Air and Water >> A1

Q1	Atmosphere prevents us from the excessive heat of the _______.
A	Moon
B	Sun
C	Earth
D	Stars

Q2	_______ layer is called the hot layer of atmosphere
A	Stratosphere
B	Thermosphere
C	Troposphere
D	Mesosphere

Q3	____ is present everywhere on the Earth.
A	Water
B	Air
C	Cloud
D	Land

Q4	What becomes thinner as it move up in the atmosphere?
A	Astronauts
B	Ozone
C	Atmosphere
D	Humidity

Q5	________ layer of atmosphere extends from 15 km to 50 km.
A	Troposphere
B	Mesosphere
C	Thermosphere
D	Stratosphere

Q6	_______ is the outer most layer of atmosphere.
A	Stratosphere
B	Ionosphere
C	Exosphere
D	Mesosphere

Q7	________ layer of atmosphere lies beyond the Stratosphere.
A	Mesosphere
B	Thermosphere
C	Troposphere
D	Exosphere

Q8	Stratosphere contains a layer of gas called _______.
A	Oxygen
B	Ozone
C	Nitrogen
D	Carbon Di Oxide

Q9	Without atmosphere there would be no _______ on the Earth.
A	Gravity
B	Volcano
C	Sunlight
D	Plants

Q10	The atmosphere sustains life on Earth by providing _____ for breathing.
A	Nitrogen
B	Argon
C	Carbon Di Oxide
D	Oxygen

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