Question 1

If all of Earth's water vapor were to suddenly condense and fall as rain, it would be enough to cover the entire globe with ____ of water.​

Accepted Answer

A)  ​5 cm (2 inches) 
B)  ​100 m 
C)  ​2.5 cm (1 inch) 
D)  ​1000 m 
E)  ​10 cm (4 inches) 
A)  ​5 cm (2 inches) 
B)  ​100 m 
C)  ​2.5 cm (1 inch) 
D)  ​1000 m 
E)  ​10 cm (4 inches)

Question 2

A temperature of 90 degrees Fahrenheit and a relative humidity of 90 percent can occur only if the ____ is incredibly high, which is only very rarely observed in the United States.​

Accepted Answer

A)  ​mixing ratio 
B)  ​apparent temperature 
C)  ​heat index 
D)  ​saturation vapor pressure 
E)  ​dew point temperature 
A)  ​mixing ratio 
B)  ​apparent temperature 
C)  ​heat index 
D)  ​saturation vapor pressure 
E)  ​dew point temperature

Question 3

An enterprising travel agent trying to sell you a summer vacation package to Phoenix, Arizona, claims that the summertime relative humidity is above 90 percent. Can this be true? Explain.

Accepted Answer

Student answers may vary, but overall ne

Question 4

On a warm and windy day evaporation will be ____.​

Accepted Answer

A)  ​low 
B)  ​medium 
C)  ​the same as any other day 
D)  ​zero 
E)  ​high 
A)  ​low 
B)  ​medium 
C)  ​the same as any other day 
D)  ​zero 
E)  ​high

Question 5

The ____________________ temperature is the temperature to which air would have to be cooled (with no change in air pressure or moisture content) for saturation to occur.

Accepted Answer

The answer of The ____________________ temperature is the temperature to...

Question 6

Describe how a sling psychrometer can be used to determine the relative humidity or dew point.

Accepted Answer

An appropriate answer would be that the

Question 7

A sling psychrometer directly measures the relative humidity.

Accepted Answer

A) True 
 B)False

Question 8

The lowest temperature that can be attained by evaporating water into the air is known as the​

Accepted Answer

A)  heat index.​ 
B)  ​minimum temperature. 
C)  ​wet-bulb temperature. 
D)  ​frost point. 
E)  ​wind chill temperature. 
A)  heat index.​ 
B)  ​minimum temperature. 
C)  ​wet-bulb temperature. 
D)  ​frost point. 
E)  ​wind chill temperature.

Question 9

Which of the following will increase in a rising parcel of air?​

Accepted Answer

A)  ​saturation vapor pressure 
B)  ​relative humidity 
C)  ​mixing ratio 
D)  ​air temperature 
E)  ​air pressure 
A)  ​saturation vapor pressure 
B)  ​relative humidity 
C)  ​mixing ratio 
D)  ​air temperature 
E)  ​air pressure

Question 10

In order to reduce evaporation and conserve water, do you think it would be better to water a lawn in the early morning or early evening?

Accepted Answer

If you water your lawn on a hot afternoo

Question 11

In terms of the air temperature and water vapor content, explain how the relative humidity normally changes during the course of a 24-hour day.

Accepted Answer

Student answers may vary slightly, but n

Question 12

What happens when air is saturated?​

Accepted Answer

A)  ​The air temperature equals the wet-bulb temperature. 
B)  ​The relative humidity is nonetheless less than 100 percent. 
C)  ​The air temperature is higher than the dew point temperature. 
D)  ​An increase in temperature will cause condensation to occur. 
E)  ​The temperature increases. 
A)  ​The air temperature equals the wet-bulb temperature. 
B)  ​The relative humidity is nonetheless less than 100 percent. 
C)  ​The air temperature is higher than the dew point temperature. 
D)  ​An increase in temperature will cause condensation to occur. 
E)  ​The temperature increases.

Question 13

The mass of water vapor in a given volume of air is called ____.​

Accepted Answer

A)  ​absolute humidity 
B)  ​relative humidity 
C)  ​mixing ratio 
D)  ​specific humidity 
E)  ​dew point 
A)  ​absolute humidity 
B)  ​relative humidity 
C)  ​mixing ratio 
D)  ​specific humidity 
E)  ​dew point

Question 14

The heat index (HI) is used by the National Weather Service, and combines ____ with ____ to determine an apparent temperature.​

Accepted Answer

A)  ​dew point temperature; mixing ratio 
B)  ​mixing ratio; saturation vapor pressure 
C)  ​actual vapor pressure; specific humidity 
D)  ​air temperature; relative humidity 
E)  ​air temperature; specific humidity 
A)  ​dew point temperature; mixing ratio 
B)  ​mixing ratio; saturation vapor pressure 
C)  ​actual vapor pressure; specific humidity 
D)  ​air temperature; relative humidity 
E)  ​air temperature; specific humidity

Question 15

The air's moisture content can be described by measuring the pressure exerted by the water vapor in the air.

Accepted Answer

A) True 
 B)False

Question 16

Frozen clothes "dry" outside in subfreezing weather by a process called ____________________.

Accepted Answer

The answer of Frozen clothes "dry" outside in subfreezing weather...

Question 17

The higher the temperature of a gas, the ____________________ its molecules move.

Accepted Answer

The answer of The higher the temperature of a gas,...

Question 18

The relationship between the mass of water vapor in an air parcel and the mass of all air in the same parcel (including vapor) is called ____.​

Accepted Answer

A)  ​specific humidity 
B)  ​relative humidity 
C)  ​absolute humidity 
D)  ​dew point 
E)  ​mixing ratio 
A)  ​specific humidity 
B)  ​relative humidity 
C)  ​absolute humidity 
D)  ​dew point 
E)  ​mixing ratio

Question 19

The specific humidity and mixing ratio of an air parcel remain constant as long as water vapor is not added to or removed from the parcel.

Accepted Answer

A) True 
 B)False

Question 20

The relative humidity is often near 100 percent in polar regions.

Accepted Answer

A) True 
 B)False

If all of Earth's water vapor were to suddenly condense and fall as rain, it would be enough to cover the entire globe with ____ of water.

A temperature of 90 degrees Fahrenheit and a relative humidity of 90 percent can occur only if the ____ is incredibly high, which is only very rarely observed in the United States.

An enterprising travel agent trying to sell you a summer vacation package to Phoenix, Arizona, claims that the summertime relative humidity is above 90 percent. Can this be true? Explain.

On a warm and windy day evaporation will be ____.

The ____________________ temperature is the temperature to which air would have to be cooled (with no change in air pressure or moisture content) for saturation to occur.

Describe how a sling psychrometer can be used to determine the relative humidity or dew point.

A sling psychrometer directly measures the relative humidity.

The lowest temperature that can be attained by evaporating water into the air is known as the

Which of the following will increase in a rising parcel of air?

In order to reduce evaporation and conserve water, do you think it would be better to water a lawn in the early morning or early evening?

In terms of the air temperature and water vapor content, explain how the relative humidity normally changes during the course of a 24-hour day.

What happens when air is saturated?

The mass of water vapor in a given volume of air is called ____.

The heat index (HI) is used by the National Weather Service, and combines with to determine an apparent temperature.

The air's moisture content can be described by measuring the pressure exerted by the water vapor in the air.

Frozen clothes "dry" outside in subfreezing weather by a process called ____________________.

The higher the temperature of a gas, the ____________________ its molecules move.

The relationship between the mass of water vapor in an air parcel and the mass of all air in the same parcel (including vapor) is called ____.

The specific humidity and mixing ratio of an air parcel remain constant as long as water vapor is not added to or removed from the parcel.

The relative humidity is often near 100 percent in polar regions.

Earth and Its Atmosphere

Energy - Warming the Earth and the Atmosphere

Seasonal and Daily Temperatures

Condensation - Dew - Fog - and Clouds

Stability and Cloud Development

Precipitation

Air Pressure and Winds

Wind - Small-Scale and Local Systems

Wind - Global Systems

Air Masses and Fronts

Middle Latitude Cyclones

Weather Forecasting

Thunderstorms

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light - Color and Atmospheric Optics

Filters

Exam 4: Atmospheric Humidity

If all of Earth's water vapor were to suddenly condense and fall as rain, it would be enough to cover the entire globe with ____ of water.​

A temperature of 90 degrees Fahrenheit and a relative humidity of 90 percent can occur only if the ____ is incredibly high, which is only very rarely observed in the United States.​

An enterprising travel agent trying to sell you a summer vacation package to Phoenix, Arizona, claims that the summertime relative humidity is above 90 percent. Can this be true? Explain.

On a warm and windy day evaporation will be ____.​

The ____________________ temperature is the temperature to which air would have to be cooled (with no change in air pressure or moisture content) for saturation to occur.

Describe how a sling psychrometer can be used to determine the relative humidity or dew point.

A sling psychrometer directly measures the relative humidity.

The lowest temperature that can be attained by evaporating water into the air is known as the​

Which of the following will increase in a rising parcel of air?​

In order to reduce evaporation and conserve water, do you think it would be better to water a lawn in the early morning or early evening?

In terms of the air temperature and water vapor content, explain how the relative humidity normally changes during the course of a 24-hour day.

What happens when air is saturated?​

The mass of water vapor in a given volume of air is called ____.​

The heat index (HI) is used by the National Weather Service, and combines ____ with ____ to determine an apparent temperature.​

The air's moisture content can be described by measuring the pressure exerted by the water vapor in the air.

Frozen clothes "dry" outside in subfreezing weather by a process called ____________________.

The higher the temperature of a gas, the ____________________ its molecules move.

The relationship between the mass of water vapor in an air parcel and the mass of all air in the same parcel (including vapor) is called ____.​

The specific humidity and mixing ratio of an air parcel remain constant as long as water vapor is not added to or removed from the parcel.

The relative humidity is often near 100 percent in polar regions.

Earth and Its Atmosphere

Energy - Warming the Earth and the Atmosphere

Seasonal and Daily Temperatures

Condensation - Dew - Fog - and Clouds

Stability and Cloud Development

Precipitation

Air Pressure and Winds

Wind - Small-Scale and Local Systems

Wind - Global Systems

Air Masses and Fronts

Middle Latitude Cyclones

Weather Forecasting

Thunderstorms

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light - Color and Atmospheric Optics

Filters

If all of Earth's water vapor were to suddenly condense and fall as rain, it would be enough to cover the entire globe with ____ of water.

A temperature of 90 degrees Fahrenheit and a relative humidity of 90 percent can occur only if the ____ is incredibly high, which is only very rarely observed in the United States.

On a warm and windy day evaporation will be ____.

The lowest temperature that can be attained by evaporating water into the air is known as the

Which of the following will increase in a rising parcel of air?

What happens when air is saturated?

The mass of water vapor in a given volume of air is called ____.

The heat index (HI) is used by the National Weather Service, and combines with to determine an apparent temperature.

The relationship between the mass of water vapor in an air parcel and the mass of all air in the same parcel (including vapor) is called ____.