Question 1

What two kinds of fog are the result of adding moisture to a layer of air?

Accepted Answer

A) advection and radiation 
B) radiation and upslope 
C) upslope and steam 
D) steam and frontal 
A) advection and radiation 
B) radiation and upslope 
C) upslope and steam 
D) steam and frontal D

Question 2

Relative to lower temperatures, high temperatures require ________ (more / the same amount / less)moisture to fully saturate the air.

Accepted Answer

more

Question 3

When warm moist air moves over a cold surface, ________ fog may result.

Accepted Answer

A) advection 
B) radiation 
C) upslope 
D) steam 
A) advection 
B) radiation 
C) upslope 
D) steam A

Question 4

The most important process of cloud formation in the atmosphere is ________.

Accepted Answer

A) cooling by compression of air 
B) radiation cooling 
C) cooling by expansion of air 
D) cooling by release of latent heat of vaporization 
A) cooling by compression of air 
B) radiation cooling 
C) cooling by expansion of air 
D) cooling by release of latent heat of vaporization

Question 5

Adiabatic temperature changes occur ________.

Accepted Answer

A) when heat is added 
B) when heat is subtracted 
C) when heat is neither added nor subtracted 
D) when water vapor is added 
A) when heat is added 
B) when heat is subtracted 
C) when heat is neither added nor subtracted 
D) when water vapor is added

Question 6

________ is a kind of precipitation consisting of drops of water that fall from a cloud and have a diameter of at least 0.5 millimeter (0.02 inch).

Accepted Answer

The answer of ________ is a kind of precipitation consisting...

Question 7

Hail is associated with cumulus clouds.

Accepted Answer

A) True 
 B)False

Question 8

Explain how perspiring cools the skin.

Accepted Answer

Heat is absorbed during evaporation, the

Question 9

How can condensation be triggered to form clouds or fog?

Accepted Answer

A) Add sufficient water vapor to the air so that it reaches saturation. 
B) Cool the air to its dew point. 
C) Either of the above will work. 
D) Neither of the above will work. 
A) Add sufficient water vapor to the air so that it reaches saturation. 
B) Cool the air to its dew point. 
C) Either of the above will work. 
D) Neither of the above will work.

Question 10

A 1-kilogram parcel of air is at 35°C and contains 7 grams of water vapor. What is the relative humidity?

Accepted Answer

A) 20% 
B) 40% 
C) 50% 
D) 70% 
A) 20% 
B) 40% 
C) 50% 
D) 70%

Question 11

Updrafts in cumulonimbus clouds may loft small particles of ice through the cloud, coating them and producing ________.

Accepted Answer

The answer of Updrafts in cumulonimbus clouds may loft small...

Question 12

Atmospheric ________ is the ultimate cause of weather.

Accepted Answer

The answer of Atmospheric ________ is the ultimate cause of...

Question 13

Rising air is ________ air.

Accepted Answer

A) stable 
B) unstable 
C) warming 
D) cloudy 
A) stable 
B) unstable 
C) warming 
D) cloudy

Question 14

Mixing ratio, relative humidity, and dew-point temperature are all ways of measuring the amount of ________ in the air.

Accepted Answer

The answer of Mixing ratio, relative humidity, and dew-point temperature...

Question 15

Examine the figure. This flask contains 1 kilogram of dry air mixed with 20 grams of water vapor. It is at 25°C temperature. What would happen if its temperature was increased to 35°C?

Accepted Answer

A) The relative humidity would decrease, triggering evaporation from the pool of liquid water at the bottom of the flask. 
B) The relative humidity would decrease, triggering condensation, and raising the level of the pool of liquid water at the bottom of the flask. 
C) The relative humidity would increase, triggering condensation, and raising the level of the pool of liquid water at the bottom of the flask. 
D) The relative humidity would increase, triggering evaporation from the pool of liquid water at the bottom of the flask. 
A) The relative humidity would decrease, triggering evaporation from the pool of liquid water at the bottom of the flask. 
B) The relative humidity would decrease, triggering condensation, and raising the level of the pool of liquid water at the bottom of the flask. 
C) The relative humidity would increase, triggering condensation, and raising the level of the pool of liquid water at the bottom of the flask. 
D) The relative humidity would increase, triggering evaporation from the pool of liquid water at the bottom of the flask.

Question 16

A fire extinguisher containing compressed CO₂ is used to put out a fire. In spite of being close to the flames, the firefighter notices a white layer of "frost" forming on the exterior of the fire extinguisher can. What's going on?

Accepted Answer

A) The gas in the extinguisher is expanding when released, cooling adiabatically. 
B) The gas in the extinguisher is cooling under higher pressure. 
C) The exterior temperature must be dropping. 
D) The fire is pulling heat from the surrounding air. 
A) The gas in the extinguisher is expanding when released, cooling adiabatically. 
B) The gas in the extinguisher is cooling under higher pressure. 
C) The exterior temperature must be dropping. 
D) The fire is pulling heat from the surrounding air.

Question 17

Examine the graph. Based on the relationship between temperature and relative humidity, at what time of day would an Earth scientist expect the highest relative humidity?

Accepted Answer

A) 6 am 
B) 11am 
C) 5 pm 
D) 12 am (midnight) 
A) 6 am 
B) 11am 
C) 5 pm 
D) 12 am (midnight)

Question 18

________ temperature changes are those which do not involve the addition or subtraction of heat.

Accepted Answer

The answer of ________ temperature changes are those which do...

Question 19

The term ________ is used to describe the conversion of a solid directly to a gas, without passing through the liquid state.

Accepted Answer

A) evaporation 
B) sublimation 
C) condensation 
D) melting 
A) evaporation 
B) sublimation 
C) condensation 
D) melting

Question 20

What unusual situation can occur in the absence of condensation nuclei?

Accepted Answer

A) adiabatic warming 
B) a relative humidity of more than 100% 
C) cumulonimbus clouds 
D) cirrostratus clouds 
A) adiabatic warming 
B) a relative humidity of more than 100% 
C) cumulonimbus clouds 
D) cirrostratus clouds

What two kinds of fog are the result of adding moisture to a layer of air?

Relative to lower temperatures, high temperatures require ________ (more / the same amount / less)moisture to fully saturate the air.

When warm moist air moves over a cold surface, ________ fog may result.

The most important process of cloud formation in the atmosphere is ________.

Adiabatic temperature changes occur ________.

________ is a kind of precipitation consisting of drops of water that fall from a cloud and have a diameter of at least 0.5 millimeter (0.02 inch).

Hail is associated with cumulus clouds.

Explain how perspiring cools the skin.

How can condensation be triggered to form clouds or fog?

A 1-kilogram parcel of air is at 35°C and contains 7 grams of water vapor. What is the relative humidity?

Updrafts in cumulonimbus clouds may loft small particles of ice through the cloud, coating them and producing ________.

Atmospheric ________ is the ultimate cause of weather.

Rising air is ________ air.

Mixing ratio, relative humidity, and dew-point temperature are all ways of measuring the amount of ________ in the air.

Examine the figure. This flask contains 1 kilogram of dry air mixed with 20 grams of water vapor. It is at 25°C temperature. What would happen if its temperature was increased to 35°C?

A fire extinguisher containing compressed CO₂ is used to put out a fire. In spite of being close to the flames, the firefighter notices a white layer of "frost" forming on the exterior of the fire extinguisher can. What's going on?

Examine the graph. Based on the relationship between temperature and relative humidity, at what time of day would an Earth scientist expect the highest relative humidity?

________ temperature changes are those which do not involve the addition or subtraction of heat.

The term ________ is used to describe the conversion of a solid directly to a gas, without passing through the liquid state.

What unusual situation can occur in the absence of condensation nuclei?

Matter and Minerals

Rocks: Materials of the Solid Earth

Landscapes Fashioned by Water

Glacial and Arid Landscapes

Plate Tectonics: A Scientific Revolution Unfolds

Restless Earth: Earthquakes, Geologic Structures, and Mountain Building

Volcanoes and Other Igneous Activity

Geologic Time

Oceans: The Last Frontier

The Restless Ocean

Heating the Atmosphere

The Atmosphere in Motion

Weather Patterns and Severe Weather

The Nature of the Solar System

Beyond Our Solar System

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Exam 12: Moisture, Clouds, and Precipitation

What two kinds of fog are the result of adding moisture to a layer of air?

Relative to lower temperatures, high temperatures require ________ (more / the same amount / less)moisture to fully saturate the air.

When warm moist air moves over a cold surface, ________ fog may result.

The most important process of cloud formation in the atmosphere is ________.

Adiabatic temperature changes occur ________.

________ is a kind of precipitation consisting of drops of water that fall from a cloud and have a diameter of at least 0.5 millimeter (0.02 inch).

Hail is associated with cumulus clouds.

Explain how perspiring cools the skin.

How can condensation be triggered to form clouds or fog?

A 1-kilogram parcel of air is at 35°C and contains 7 grams of water vapor. What is the relative humidity?

Updrafts in cumulonimbus clouds may loft small particles of ice through the cloud, coating them and producing ________.

Atmospheric ________ is the ultimate cause of weather.

Rising air is ________ air.

Mixing ratio, relative humidity, and dew-point temperature are all ways of measuring the amount of ________ in the air.

Examine the figure. This flask contains 1 kilogram of dry air mixed with 20 grams of water vapor. It is at 25°C temperature. What would happen if its temperature was increased to 35°C?

A fire extinguisher containing compressed CO₂ is used to put out a fire. In spite of being close to the flames, the firefighter notices a white layer of "frost" forming on the exterior of the fire extinguisher can. What's going on?

Examine the graph. Based on the relationship between temperature and relative humidity, at what time of day would an Earth scientist expect the highest relative humidity?

________ temperature changes are those which do not involve the addition or subtraction of heat.

The term ________ is used to describe the conversion of a solid directly to a gas, without passing through the liquid state.

What unusual situation can occur in the absence of condensation nuclei?

Matter and Minerals

Rocks: Materials of the Solid Earth

Landscapes Fashioned by Water

Glacial and Arid Landscapes

Plate Tectonics: A Scientific Revolution Unfolds

Restless Earth: Earthquakes, Geologic Structures, and Mountain Building

Volcanoes and Other Igneous Activity

Geologic Time

Oceans: The Last Frontier

The Restless Ocean

Heating the Atmosphere

The Atmosphere in Motion

Weather Patterns and Severe Weather

The Nature of the Solar System

Beyond Our Solar System

Filters