Question 1

Which of these pairs of processes, working together, will make the atmosphere most unstable?

Accepted Answer

A)  warm the surface and warm the air aloft 
B)  cool the surface and warm the air aloft 
C)  warm the surface and cool the air aloft 
D)  cool the surface and cool the air aloft 
A)  warm the surface and warm the air aloft 
B)  cool the surface and warm the air aloft 
C)  warm the surface and cool the air aloft 
D)  cool the surface and cool the air aloft

Question 2

-Refer to the diagram of a simple parcel above. What would the absolute humidity be if the volume were to double?

Accepted Answer

A)  2.5 g/m3 
B)  20 g/m3 
C)  5 g/m3 
D)  The absolute humidity would remain unchanged. 
A)  2.5 g/m3 
B)  20 g/m3 
C)  5 g/m3 
D)  The absolute humidity would remain unchanged.

Question 3

As liquid water is evaporated into the atmosphere, heat energy is:

Accepted Answer

A)  given off by the water vapor. 
B)  absorbed by the evaporating water. 
C)  absorbed by the remaining liquid. 
D)  absorbed by the surrounding air. 
E)  released by the evaporating water. 
A)  given off by the water vapor. 
B)  absorbed by the evaporating water. 
C)  absorbed by the remaining liquid. 
D)  absorbed by the surrounding air. 
E)  released by the evaporating water.

Question 4

That part of the total atmospheric pressure attributable to its water vapor content is termed__________
.

Accepted Answer

The answer of That part of the total atmospheric pressure...

Question 5

Which of the following requires the GREATEST RELEASE of latent heat energy into the atmosphere?

Accepted Answer

A)  condensation of 1 gram of water 
B)  evaporation of 1 gram of water 
C)  melting of 1 gram of water 
D)  freezing of 1 gram of water 
A)  condensation of 1 gram of water 
B)  evaporation of 1 gram of water 
C)  melting of 1 gram of water 
D)  freezing of 1 gram of water

Question 6

An area that is very cold in winter will probably also have a relatively dry winter.

Accepted Answer

A) True 
 B)False

Question 7

If your environmental lapse rate is 17 C/km on a partly cloudy afternoon, then the atmosphere is said to be:

Accepted Answer

A)  absolutely unstable. 
B)  conditionally unstable. 
C)  absolutely stable. 
A)  absolutely unstable. 
B)  conditionally unstable. 
C)  absolutely stable.

Question 8

The absolute humidity of the air is expressed as a percent.

Accepted Answer

A) True 
 B)False

Question 9

Relative humidity levels are always higher in St. Louis, MO than Anchorage, AK.

Accepted Answer

A) True 
 B)False

Question 10

If you have enough energy to melt 1 gram of ice and then change it to vapor, then you also have enough energy to complete what other phase change for the same gram of ice?

Accepted Answer

sublimate

Question 11

Both absolute humidity and relative humidity change if the temperature of the air changes.

Accepted Answer

A) True 
 B)False

Question 12

About what percent of Earth's water can be found in the oceans?

Accepted Answer

A)  97% 
B)  70% 
C)  90% 
D)  53% 
A)  97% 
B)  70% 
C)  90% 
D)  53%

Question 13

Stability is measured using a sling psychrometer.

Accepted Answer

A) True 
 B)False

Question 14

Summarize the six processes by which water changes from one state of matter to another. For each, indicate whether energy is absorbed or liberated.

Accepted Answer

Evaporation: liquid to vapor, 600 calori

Question 15

If the air temperature remains constant, evaporating water into the air wil_____l the dew point and___________ the relative humidity.

Accepted Answer

A)  decrease, decrease 
B)  increase, decrease 
C)  increase, increase 
D)  not change, increase 
E)  decrease, increase 
A)  decrease, decrease 
B)  increase, decrease 
C)  increase, increase 
D)  not change, increase 
E)  decrease, increase

Question 16

The change in the actual air temperature as you go up into the atmosphere is called:

Accepted Answer

A)  conversion. 
B)  diffusion. 
C)  latent heat. 
D)  convergence. 
E)  environmental lapse rate. 
A)  conversion. 
B)  diffusion. 
C)  latent heat. 
D)  convergence. 
E)  environmental lapse rate.

Question 17

Assume that the actual vapor content of the air remains constant over the course of a day. How does the relative humidity at 2:00 p.m. probably compare to the relative humidity at 5:00 a.m.?

Accepted Answer

A)  The relative humidity at 2:00 p.m. is higher. 
B)  The relative humidity is the same at 2:00 p.m. as at 5:00 a.m. 
C)  The relative humidity at 2:00 p.m. is lower. 
A)  The relative humidity at 2:00 p.m. is higher. 
B)  The relative humidity is the same at 2:00 p.m. as at 5:00 a.m. 
C)  The relative humidity at 2:00 p.m. is lower.

Question 18

Water's temperature increases slowly because some of the energy absorbed is used to instead of to____________ increase the kinetic energy of the molecules.

Accepted Answer

A)  break hydrogen bonds 
B)  decrease the motion of the water molecules 
C)  decrease the specific heat of the water 
D)  create hydrogen bonds 
A)  break hydrogen bonds 
B)  decrease the motion of the water molecules 
C)  decrease the specific heat of the water 
D)  create hydrogen bonds

Question 19

The capacity of the air to hold water vapor:

Accepted Answer

A)  increases with an increase in temperature. 
B)  increases with an increase in pressure. 
C)  increases with a decrease in temperature. 
D)  decreases with an increase in temperature. 
A)  increases with an increase in temperature. 
B)  increases with an increase in pressure. 
C)  increases with a decrease in temperature. 
D)  decreases with an increase in temperature.

Question 20

Assume that a parcel with an initial temperature of 20°C and a dew point of 7°C starts at sea level and travels up the side of a mountain. At what elevation will condensation begin inside the parcel?

Accepted Answer

A)  2600 meters 
B)  1400 meters 
C)  2700 meters 
D)  1300 meters 
A)  2600 meters 
B)  1400 meters 
C)  2700 meters 
D)  1300 meters

Which of these pairs of processes, working together, will make the atmosphere most unstable?

-Refer to the diagram of a simple parcel above. What would the absolute humidity be if the volume were to double?

As liquid water is evaporated into the atmosphere, heat energy is:

That part of the total atmospheric pressure attributable to its water vapor content is termed__________ .

Which of the following requires the GREATEST RELEASE of latent heat energy into the atmosphere?

An area that is very cold in winter will probably also have a relatively dry winter.

If your environmental lapse rate is 17 C/km on a partly cloudy afternoon, then the atmosphere is said to be:

The absolute humidity of the air is expressed as a percent.

Relative humidity levels are always higher in St. Louis, MO than Anchorage, AK.

If you have enough energy to melt 1 gram of ice and then change it to vapor, then you also have enough energy to complete what other phase change for the same gram of ice?

Both absolute humidity and relative humidity change if the temperature of the air changes.

About what percent of Earth's water can be found in the oceans?

Stability is measured using a sling psychrometer.

Summarize the six processes by which water changes from one state of matter to another. For each, indicate whether energy is absorbed or liberated.

If the air temperature remains constant, evaporating water into the air wil_l the dew point and_______ the relative humidity.

The change in the actual air temperature as you go up into the atmosphere is called:

Assume that the actual vapor content of the air remains constant over the course of a day. How does the relative humidity at 2:00 p.m. probably compare to the relative humidity at 5:00 a.m.?

Water's temperature increases slowly because some of the energy absorbed is used to instead of to____________ increase the kinetic energy of the molecules.

The capacity of the air to hold water vapor:

Assume that a parcel with an initial temperature of 20°C and a dew point of 7°C starts at sea level and travels up the side of a mountain. At what elevation will condensation begin inside the parcel?

Introduction to the Atmosphere

Heating Earths Surface and Atmosphere

Temperature

Forms of Condensation and Precipitation

Air Pressure and Winds

Circulation of the Atmosphere

Air Masses

Weather Patterns

Thunderstorms and Tornadoes

Hurricanes

Weather Analysis and Forecasting

Air Pollution

The Changing Climate

World Climates

Optical Phenomena of the Atmosphere

Filters

Exam 4: Moisture and Atmospheric Stability

Which of these pairs of processes, working together, will make the atmosphere most unstable?

-Refer to the diagram of a simple parcel above. What would the absolute humidity be if the volume were to double?

As liquid water is evaporated into the atmosphere, heat energy is:

That part of the total atmospheric pressure attributable to its water vapor content is termed__________ .

Which of the following requires the GREATEST RELEASE of latent heat energy into the atmosphere?

An area that is very cold in winter will probably also have a relatively dry winter.

If your environmental lapse rate is 17 C/km on a partly cloudy afternoon, then the atmosphere is said to be:

The absolute humidity of the air is expressed as a percent.

Relative humidity levels are always higher in St. Louis, MO than Anchorage, AK.

If you have enough energy to melt 1 gram of ice and then change it to vapor, then you also have enough energy to complete what other phase change for the same gram of ice?

Both absolute humidity and relative humidity change if the temperature of the air changes.

About what percent of Earth's water can be found in the oceans?

Stability is measured using a sling psychrometer.

Summarize the six processes by which water changes from one state of matter to another. For each, indicate whether energy is absorbed or liberated.

If the air temperature remains constant, evaporating water into the air wil_____l the dew point and___________ the relative humidity.

The change in the actual air temperature as you go up into the atmosphere is called:

Assume that the actual vapor content of the air remains constant over the course of a day. How does the relative humidity at 2:00 p.m. probably compare to the relative humidity at 5:00 a.m.?

Water's temperature increases slowly because some of the energy absorbed is used to instead of to____________ increase the kinetic energy of the molecules.

The capacity of the air to hold water vapor:

Assume that a parcel with an initial temperature of 20°C and a dew point of 7°C starts at sea level and travels up the side of a mountain. At what elevation will condensation begin inside the parcel?

Introduction to the Atmosphere

Heating Earths Surface and Atmosphere

Temperature

Forms of Condensation and Precipitation

Air Pressure and Winds

Circulation of the Atmosphere

Air Masses

Weather Patterns

Thunderstorms and Tornadoes

Hurricanes

Weather Analysis and Forecasting

Air Pollution

The Changing Climate

World Climates

Optical Phenomena of the Atmosphere

Filters

If the air temperature remains constant, evaporating water into the air wil_l the dew point and_______ the relative humidity.