Question 1

Instruments that measure humidity are called ____.​

Accepted Answer

A) psychrometers 
B) thermometers 
C) ​hygrometers 
D) ​dew cells 
E) ​liquid-in-glass thermometers 
A) psychrometers 
B) thermometers 
C) ​hygrometers 
D) ​dew cells 
E) ​liquid-in-glass thermometers

Question 2

Suppose saturated polar air has an air temperature and dew point of -10°C,and unsaturated desert air has an air temperature of 35°C and a dew point of 10°C.The desert air contains ____________________ water vapor and has a(n)____________________ relative humidity than the polar air.

Accepted Answer

The answer of Suppose saturated polar air has an air...

Question 3

When the air temperature is below freezing,the saturation vapor pressure over water is ____________________ than the saturation vapor pressure over ice.

Accepted Answer

The answer of When the air temperature is below freezing,the...

Question 4

The ____ determines the amount of water vapor in the air by measuring the air's actual water vapor pressure.​

Accepted Answer

A) aspirated psychrometer 
B) hair hygrometer 
C) ​sling psychrometer 
D) ​dew-point hygrometer 
E) ​dew cell 
A) aspirated psychrometer 
B) hair hygrometer 
C) ​sling psychrometer 
D) ​dew-point hygrometer 
E) ​dew cell

Question 5

Evaporation and transpiration from continental areas amount to only about ____ percent of the nearly 1.5 billion gallons of water vapor that annually evaporate into the atmosphere.​

Accepted Answer

A) 15 
B) 20 
C) ​25 
D) ​30 
E) ​35 
A) 15 
B) 20 
C) ​25 
D) ​30 
E) ​35

Question 6

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 7

This instrument uses wet-bulb and dry-bulb temperature to obtain relative humidity:​

Accepted Answer

A) infrared hygrometer 
B) sling psychrometer 
C) ​hair hygrometer 
D) ​electrical hygrometer 
E) ​mechanical hygrometer 
A) infrared hygrometer 
B) sling psychrometer 
C) ​hair hygrometer 
D) ​electrical hygrometer 
E) ​mechanical hygrometer

Question 8

The density of water vapor in a given parcel of air is represented by the​

Accepted Answer

A) absolute humidity. 
B) relative humidity. 
C) ​mixing ratio. 
D) ​specific humidity. 
E) ​saturation vapor pressure. 
A) absolute humidity. 
B) relative humidity. 
C) ​mixing ratio. 
D) ​specific humidity. 
E) ​saturation vapor pressure.

Question 9

The dew point temperature is a measure of the total amount of water vapor in the air.

Accepted Answer

A) True 
 B)False

Question 10

Saturation vapor pressure depends primarily on ____.​

Accepted Answer

A) the mixing ratio 
B) altitude 
C) ​air pressure 
D) ​the dew point temperature 
E) ​air temperature 
A) the mixing ratio 
B) altitude 
C) ​air pressure 
D) ​the dew point temperature 
E) ​air temperature

Question 11

Days with temperatures above 90 degrees Fahrenheit and above 90 percent humidity are common in the southern United States.

Accepted Answer

A) True 
 B)False

Question 12

The oceans occupy over ___ percent of Earth's surface.​

Accepted Answer

A) 50 
B) 60 
C) ​70 
D) ​80 
E) 90 
A) 50 
B) 60 
C) ​70 
D) ​80 
E) 90

Question 13

The total mass of water vapor stored in the atmosphere at any moment is about ____ of the world's supply of precipitation.​

Accepted Answer

A) 1 day 
B) 1 week 
C) ​1 month 
D) ​1 year 
E) ​10 days 
A) 1 day 
B) 1 week 
C) ​1 month 
D) ​1 year 
E) ​10 days

Question 14

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 15

Would lowering the temperature in your home during the winter cause the relative humidity to increase or decrease? Why?

Accepted Answer

An appropriate Answer would be that the

Question 16

What will occur if a glass of water at a stable temperature is surrounded by saturated air?

Accepted Answer

A) The level of the water in the glass would slowly decrease. 
B) The water's temperature would slowly increase. 
C) ​The level of the water in the glass would not change. 
D) ​The water's temperature would slowly decrease. 
E) ​The level of the water in the glass would slowly increase. 
A) The level of the water in the glass would slowly decrease. 
B) The water's temperature would slowly increase. 
C) ​The level of the water in the glass would not change. 
D) ​The water's temperature would slowly decrease. 
E) ​The level of the water in the glass would slowly increase.

Question 17

Which of the following will increase the relative humidity in a home during the winter?​

Accepted Answer

A) increasing the thermostat setting 
B) increasing the temperature of the air inside the home 
C) ​sealing the house against drafts 
D) ​taking a shower and letting the air circulate through the home 
E) ​turning on the oven 
A) increasing the thermostat setting 
B) increasing the temperature of the air inside the home 
C) ​sealing the house against drafts 
D) ​taking a shower and letting the air circulate through the home 
E) ​turning on the oven

Question 18

The temperature to which air must be cooled in order to become saturated is the​

Accepted Answer

A) minimum temperature. 
B) dew point temperature. 
C) ​wet-bulb temperature. 
D) ​freezing point. 
E) ​maximum temperature. 
A) minimum temperature. 
B) dew point temperature. 
C) ​wet-bulb temperature. 
D) ​freezing point. 
E) ​maximum temperature.

Question 19

If the air temperature increased,with no addition or removal of water vapor,the actual vapor pressure would​

Accepted Answer

A) increase. 
B) decrease. 
C) ​stay the same. 
D) ​become greater than the saturation vapor pressure. 
E) ​become less than the saturation vapor pressure. 
A) increase. 
B) decrease. 
C) ​stay the same. 
D) ​become greater than the saturation vapor pressure. 
E) ​become less than the saturation vapor pressure.

Instruments that measure humidity are called ____.

Suppose saturated polar air has an air temperature and dew point of -10°C,and unsaturated desert air has an air temperature of 35°C and a dew point of 10°C.The desert air contains water vapor and has a(n) relative humidity than the polar air.

When the air temperature is below freezing,the saturation vapor pressure over water is ____________________ than the saturation vapor pressure over ice.

The ____ determines the amount of water vapor in the air by measuring the air's actual water vapor pressure.

Evaporation and transpiration from continental areas amount to only about ____ percent of the nearly 1.5 billion gallons of water vapor that annually evaporate into the atmosphere.

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 ____.

This instrument uses wet-bulb and dry-bulb temperature to obtain relative humidity:

The density of water vapor in a given parcel of air is represented by the

The dew point temperature is a measure of the total amount of water vapor in the air.

Saturation vapor pressure depends primarily on ____.

Days with temperatures above 90 degrees Fahrenheit and above 90 percent humidity are common in the southern United States.

The oceans occupy over ___ percent of Earth's surface.

The total mass of water vapor stored in the atmosphere at any moment is about ____ of the world's supply of precipitation.

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?

Would lowering the temperature in your home during the winter cause the relative humidity to increase or decrease? Why?

What will occur if a glass of water at a stable temperature is surrounded by saturated air?

Which of the following will increase the relative humidity in a home during the winter?

The temperature to which air must be cooled in order to become saturated is the

If the air temperature increased,with no addition or removal of water vapor,the actual vapor pressure would

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

Instruments that measure humidity are called ____.​

Suppose saturated polar air has an air temperature and dew point of -10°C,and unsaturated desert air has an air temperature of 35°C and a dew point of 10°C.The desert air contains ____________________ water vapor and has a(n)____________________ relative humidity than the polar air.

When the air temperature is below freezing,the saturation vapor pressure over water is ____________________ than the saturation vapor pressure over ice.

The ____ determines the amount of water vapor in the air by measuring the air's actual water vapor pressure.​

Evaporation and transpiration from continental areas amount to only about ____ percent of the nearly 1.5 billion gallons of water vapor that annually evaporate into the atmosphere.​

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 ____.​

This instrument uses wet-bulb and dry-bulb temperature to obtain relative humidity:​

The density of water vapor in a given parcel of air is represented by the​

The dew point temperature is a measure of the total amount of water vapor in the air.

Saturation vapor pressure depends primarily on ____.​

Days with temperatures above 90 degrees Fahrenheit and above 90 percent humidity are common in the southern United States.

The oceans occupy over ___ percent of Earth's surface.​

The total mass of water vapor stored in the atmosphere at any moment is about ____ of the world's supply of precipitation.​

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?

Would lowering the temperature in your home during the winter cause the relative humidity to increase or decrease? Why?

What will occur if a glass of water at a stable temperature is surrounded by saturated air?

Which of the following will increase the relative humidity in a home during the winter?​

The temperature to which air must be cooled in order to become saturated is the​

If the air temperature increased,with no addition or removal of water vapor,the actual vapor pressure would​

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

Instruments that measure humidity are called ____.

Suppose saturated polar air has an air temperature and dew point of -10°C,and unsaturated desert air has an air temperature of 35°C and a dew point of 10°C.The desert air contains water vapor and has a(n) relative humidity than the polar air.

The ____ determines the amount of water vapor in the air by measuring the air's actual water vapor pressure.

Evaporation and transpiration from continental areas amount to only about ____ percent of the nearly 1.5 billion gallons of water vapor that annually evaporate into the atmosphere.

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 ____.

This instrument uses wet-bulb and dry-bulb temperature to obtain relative humidity:

The density of water vapor in a given parcel of air is represented by the

Saturation vapor pressure depends primarily on ____.

The oceans occupy over ___ percent of Earth's surface.

The total mass of water vapor stored in the atmosphere at any moment is about ____ of the world's supply of precipitation.

Which of the following will increase the relative humidity in a home during the winter?

The temperature to which air must be cooled in order to become saturated is the

If the air temperature increased,with no addition or removal of water vapor,the actual vapor pressure would