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Atmosphere Flashcards | StudBud
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Atmosphere
Atmosphere
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#grade7 #atmosphere #earth #science
Flashcards
11 cards
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Questions
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Answers
1
Which layer of the atmosphere is
furthest
from Earth's surface?
Mesosphere
Thermosphere
Exosphere
Troposphere
2
What is the name of layer
2
in the diagram?
Stratosphere
Mesosphere
Exosphere
Thermosphere
3
Why is the ozone layer important?
It absorbs excess ultraviolet rays from the sun.
It is where weather occurs.
It contains oxygen.
It protects Earth's surface from meteors.
4
Which layer of the atmosphere is closest to Earth's surface?
Exosphere
Stratosphere
Troposphere
Mesosphere
5
What is the atmosphere?
The layer of crust surrounding Earth
The layer of gases surrounding Earth
Clouds
The ozone layer
6
What are two things Earth's atmosphere helps protect living organisms against?
Harmful sun rays
Meteors
Aliens
Comets
7
What two gases make up 99% of Earth's atmosphere?
Methane and argon
Nitrogen and oxygen
Hydrogen and ozone
Carbon dioxide and helium
8
Which layer of atmosphere contains the ozone layer?
Stratosphere
Thermosphere
Troposphere
Mesosphere
9
How does air pressure change as
altitude increases
?
Air pressure increases.
Air pressure stays the same.
Air pressure decreases.
10
A display of colored lights that occurs when ions from the Sun strike air molecules.
Neon
Aurora
Rainbow
Lightning
11
What is the name of layer
3
in the diagram?
Mesosphere
Exosphere
Thermosphere
Troposphere
