Composition of the Atmosphere
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Science
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the composition of the Earth's atmosphere?
Back
The Earth's atmosphere is composed mainly of nitrogen (N2), oxygen (O2), and argon (Ar), along with trace amounts of other gases.
2.
FLASHCARD QUESTION
Front
What happens to air temperature as altitude increases?
Back
As altitude increases, the temperature of the air generally decreases because the air molecules become less dense.
3.
FLASHCARD QUESTION
Front
What is the largest component of the Earth's atmosphere?
Back
Nitrogen (N2) makes up the largest component of the Earth's atmosphere, accounting for about 78%.
4.
FLASHCARD QUESTION
Front
What are the three key components of air?
Back
The three key components of air are nitrogen (N2), oxygen (O2), and argon (Ar).
5.
FLASHCARD QUESTION
Front
What is water vapor?
Back
Water vapor is the gaseous state of water and is an important component of the atmosphere, contributing to weather and climate.
6.
FLASHCARD QUESTION
Front
What role does carbon dioxide (CO2) play in the atmosphere?
Back
Carbon dioxide (CO2) is a greenhouse gas that helps trap heat in the atmosphere, playing a crucial role in regulating Earth's temperature.
7.
FLASHCARD QUESTION
Front
What is the significance of dust and pollen in the atmosphere?
Back
Dust and pollen are particulate matter in the atmosphere that can affect air quality and weather patterns.
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