Atmosphere
Interactive Video
•
Science, Geography, Biology, Physics
•
6th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
The Earth's atmosphere is held by gravity and is composed mainly of nitrogen and oxygen, with smaller amounts of other gases. It becomes thinner with altitude, and the boundary with space is generally considered to be at 100 kilometers.
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2 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
What percentage of the Earth's atmosphere is nitrogen?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What gases are present in small proportions in the Earth's atmosphere?
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