Section 2

Question 1

Why is the atmosphere more denser closer to the surface?

Answer 1

The atmosphere is compressable

Question 2

How is compressibility defined?

Answer 2

Density

Question 3

Whats the unit for density?

Answer 3

Kg/m^3

Question 4

What is air density at sea level?

Answer 4

1.2 Kg/m^3

Question 5

What is mean free path?

Answer 5

Average distance a molecule travels before colliding with another molecule

Question 6

What is pressure

Answer 6

Is the result of the atmospheres mass and consequentially the force above a given point

Question 7

What happens to pressure as you decrease vertically?

Answer 7

Pressure goes down at a nonlinear rate ( 50% for every 5km of altitude )

Question 8

What is standard pressure at sea level?

Answer 8

1013 millibars

Question 9

What is humidity?

Answer 9

Describes the amount of water vapor in the air

Question 10

What is relative humidity?

Answer 10

It is a percentage for how close you are to maximum saturation for a given temperature

Question 11

What is dew-point temperature

Answer 11

The temperature at which air becomes so saturated with water vapor, causing it to condense into water