Atmosphere

Question 1

Troposphere

Answer 1

Closest layer to earth
99% of weather
75% of atmosphere’s mass
99% of mass of water vapour
Extend to 35000 ft

Question 2

Tropopause

Answer 2

Between troposphere and stratosphere
Altitude changes based on air temperature

Question 3

Stratosphere

Answer 3

Contains little moisture
Rarely contains cloud

Question 4

Compression

Answer 4

Air becomes more dense
Temperature inscrease

Question 5

Expansion

Answer 5

Air molecules spread out due to reduce pressure
Temperature decrease

Question 6

Station pressure

Answer 6

Atmospheric pressure at elevation of observation station

Question 7

Mean sea level (MSL) pressure

Answer 7

Station pressure reduced to MSL

Question 8

Atmospheric pressure

Answer 8

Pressure exerted by weight of the atmosphere

Question 9

Relative humidity

Answer 9

% = amount of water in air divided by max amount of water air can hold

Question 10

Evaporation

Answer 10

Liquid to gas

Question 11

Condensation

Answer 11

Gas to liquid

Question 12

Sublimation

Answer 12

Solid to gas

Question 13

Deposition

Answer 13

Gas to solid