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8 Cards in this Set
- Front
- Back
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Who is Joe Kittinger and what did he do? |
He fell through 99% of the atmosphere from 31km (20ft) into the stratosphere, feeling no sensation as he fell. |
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What are the two physical characteristics of the atmosphere? |
Pressure and Density Both decrease rapidly with height. Density is the amount of stuff in a given space. Pressure is pounds per square inch or force per unit given. |
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What is temperature? |
A measure of average kinetic energy of molecules. |
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Why do we have atmospheric circulation/weather? |
Uneven distribution of the sun. |
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Does heat rise or fall at 0° (equator)? |
Rises Colder, wet, rainforests |
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Does air rise or sink at 30°? |
Sinks; deserts |
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What is the average distance from the sun? |
93 Million Miles |
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What is the chemical composition of the atmosphere? |
Heterosphere: Top layer. Gases are distinguishable from each other and layered by weight. EX. Helium floats to the top. (50km and up) Homosphere: Bottom part. Uniform mixture of gases > Permanent gases. N2 78%, Oxygen 21%. Argon and other variable gases 1%. |
