What is the Troposphere?
Atmosphere Layers

Flashcard
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Science
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The lowest layer of the atmosphere where weather occurs and where humans, plants, and animals live.
2.
FLASHCARD QUESTION
Front
What is the Stratosphere?
Back
The layer above the Troposphere, containing the ozone layer which protects the Earth from harmful UV radiation.
3.
FLASHCARD QUESTION
Front
What is the Mesosphere?
Back
The layer above the Stratosphere, where temperatures decrease with altitude and meteors burn up upon entering this layer.
4.
FLASHCARD QUESTION
Front
What is the Thermosphere?
Back
The layer above the Mesosphere, characterized by high temperatures and the presence of the ionosphere, where auroras occur.
5.
FLASHCARD QUESTION
Front
What is the Exosphere?
Back
The outermost layer of the atmosphere, where the atmosphere thins out and merges with outer space.
6.
FLASHCARD QUESTION
Front
What is the Ozone Layer?
Back
A region within the Stratosphere that contains a high concentration of ozone (O3) and absorbs most of the Sun's harmful ultraviolet radiation.
7.
FLASHCARD QUESTION
Front
What are CFCs?
Back
Chlorofluorocarbons, chemicals that were used in refrigeration and aerosol sprays, which deplete the ozone layer.
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