Show:
Atmospheric Composition
Layers of the Atmosphere
ICAO Standard Atmosphere
Properties of the Atmosphere
100
the most abundant gas in the atmosphere
nitrogen
100
the layer where weather is found
troposphere
100

what does ICAO stand for

International Civil Aviation Organization

100
amount of mass in a given volume is this
density
200
the gas that makes up about 21% of the atmosphere
oxygen
200
where the ozone layer is found
stratosphere
200

what is the standard based on

Summer and winter averages for 40 degrees N latitude

200

what temperature is measured by

movement of air molecules
300
excess of this gas contributes to global warming
carbon dioxide
300

the layer where the air molecules are the hottest in the atmosphere

thermosphere

300

standard MSL pressure

29.92 inches of Mercury

300

three main properties of the atmosphere

mobility, expansion, compression

400

Most common of the trace gases

argon

400

the part of the atmosphere where satellites are found. 

exosphere

400

standard lapse rate

1.98 degrees per 1000 feet

400

the most important properties of the atmosphere

expansion

500

gas that contributes to the formation of all weather.

water vapour

500
the thickest layer of the atmosphere
thermosphere
500

the purpose of having a standard atmosphere

ISA is a standard against which to compare the actual atmosphere at any point and time.

500

relationship between density and humidity

indirectly proportional