
Atmosphere and Air
Flashcard
•
Science
•
•
Practice Problem
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Hard
Eve-Lyne Lamontagne
FREE Resource
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27 questions
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1.
FLASHCARD QUESTION
Front
What is the atmosphere?
Back
The layer of air surrounding the Earth, held by Earth's gravity, extending up to 10,000 km, appearing blue from space.
2.
FLASHCARD QUESTION
Front
What are the functions of the atmosphere?
Back
Protection, greenhouse effect, respiration, photosynthesis, airplane lift, UV filter.
3.
FLASHCARD QUESTION
Front
How does the atmosphere protect Earth?
Back
By degrading meteoroids through air particle friction, reducing meteor impacts.
4.
FLASHCARD QUESTION
Front
What is the greenhouse effect?
Back
Gases like CO2, CH4, CO, H2O trap heat from the Sun, maintaining a life-supporting temperature.
5.
FLASHCARD QUESTION
Front
How does the atmosphere support respiration?
Back
Oxygen in the atmosphere allows living beings to perform cellular respiration, releasing energy from food.
6.
FLASHCARD QUESTION
Front
How does the atmosphere support photosynthesis?
Back
Carbon dioxide in the atmosphere allows plants to produce sugar, their food base, through photosynthesis.
7.
FLASHCARD QUESTION
Front
How does the atmosphere enable airplane flight?
Back
It provides the necessary lift for airplanes to fly.
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