Chapter 1 - From Reading

Question 1

What two gases mostly make up earths atmosphere?

Answer 1

Nitrogen and oxygen

Question 2

Aerosol, what is it? Where is is

Answer 2

Our atmosphere contains large amount of these tiny particles

Question 3

What does temperature mean?

Answer 3

Temperature is a measurement of the average speed that molecules move in a substance

Question 4

How is the Celsius scale divided?

Answer 4

Boiling point of water (100c) and melting point of ice (0c)

Question 5

How is Kelvin scale divided

Answer 5

Where (0) is set to absolute 0 and goes up from there

Question 6

What is absolute zero?

Answer 6

Minimum energy state

Question 7

From bottom to top, how is the atmosphere divided?

Answer 7

Troposphere, tropopause, stratosphere, mesosphere, thermosphere

Question 8

Going up in altitude of the troposphere, how does the temp change?

Answer 8

The temperature decreases with hight

Question 9

Going up in altitude of the stratosphere, how does the temp change?

Answer 9

The temp increases in hight

Question 10

Where is the tropopause located?

Answer 10

Between the troposphere and the stratosphere

Question 11

Why does the stratosphere temperature go up?

Answer 11

Because of the absorption of ultraviolet radiation

Question 12

Where is the ozone situated?

Answer 12

In the stratosphere

Question 13

What are the names of the two jet streams?

Answer 13

Subtropical jet stream

Polar jet stream

Question 14

What is a jet stream?

Answer 14

Rivers of fast moving air in the upper troposphere

Question 15

What are jet streams critical for?

Answer 15

The development of the earths weather systems

Question 16

How does the temperature change in the mesosphere?

Answer 16

Temperatures decrease with hight

Question 17

What is atmospheric pressure?

Answer 17

Force applied by air on a unit area of surface

Question 18

What is a millibar?

Answer 18

A unit to determine pressure (ex - sea level is 1013.25 mob

Question 19

What is the atmospheric density?

Answer 19

Mass in a unit volume (for pressure)

Question 20

What does a barometer do?

Answer 20

Measures pressure

Question 21

What is (mean sea level?)

Answer 21

A common sea level altitude in order to appropriately measure pressure density

Question 22

What is water vapor?

Answer 22

Invisible gas composed of individual water molecules

Question 23

What is vapor pressure?

Answer 23

Force per unit area applied only by water vapor

Question 24

What is saturation?

Answer 24

When invisible vapor condenses into visible cloud droplets

Question 25

What is the saturation vapor pressure?

Answer 25

The vapor pressure when the atmosphere becomes saturated

Question 26

Relative humidity

Answer 26

Is the amount of water vapor in the atmosphere relative to the vapor pressure

Question 27

What is the dew point?

Answer 27

Lowest temperature to which air can be cooled before saturation occurs.

Question 28

What is the phase change for condensation?

Answer 28

From vapor to water

Question 29

What is the phase change for freezing

Answer 29

From water to ice

Question 30

What is the phase change for deposition?

Answer 30

Vapor to ice

Question 31

What is the phase change for sublimation?

Answer 31

Ice to vapor

Question 32

What is the phase change for evaporation?

Answer 32

Water to vapor

Question 33

What is the phase change for melting

Answer 33

Solid to liquid

Question 34

What is latent heat?

Answer 34

Hidden heat required for phase change

Question 35

What is wind?

Answer 35

Simply the movement of air

Question 36

What is a anemometer?

Answer 36

A divided to measure wind speed

Question 37

What are wind barbs

Answer 37

Used to depict wind speed and direction

Question 38

What is an atmosphere

Answer 38

In earths case, a thin layer of air extending from surface to hight of few hundred kilometers