Question 1

​Suppose the sky is covered with stratus clouds. How might you determine whether middle or high clouds are also present?

Accepted Answer

Information on cloud thickness and heigh...

Question 2

​Which two clouds can produce precipitation?

Accepted Answer

A)   ​cumulonimbus and stratocumulus
B)   ​nimbostratus and altostratus
C)   ​nimbostratus and cirrus
D)   ​cumulonimbus and nimbostratus
E)   ​cirrus and stratocumulusF) D) and E)
G) B) and D)

Question 3

​In 1802, the French naturalist ____________________ proposed the first system for classifying clouds.

Accepted Answer

Jean-Bapti...

Question 4

​How can you visually distinguish between cumulus, altocumulus, and cirrocumulus clouds?

Accepted Answer

Cirrocumulus clouds appear as small, rou...

Question 5

​Detached clouds of delicate and fibrous appearance, without shading, usually white in color and sometimes of a silky appearance are

Accepted Answer

A)   ​stratus clouds.
B)   ​cirrocumulus clouds.
C)   ​altostratus clouds.
D)   ​cirrus clouds.
E)   ​cirrostratus clouds.F) A) and E)
G) A) and D)

Question 6

​If fog is forming in Denver, Colorado (located on the eastern side of the Rocky Mountains) , and the wind is blowing from the east, then the fog is most likely

Accepted Answer

A)   ​advection fog.
B)   ​frontal fog.
C)   ​upslope fog.
D)   ​radiation fog.
E)   ​downslope fog.F) D) and E)
G) A) and C)

Question 7

​One positive aspect of foggy weather is a process required by fruit and nut trees that have finished growing during the summer and fall. This process, called ____________________, is the number of hours with air temperature below 7oC (45oF) before trees will begin to grow again.

Accepted Answer

Question 8

​A dim, "watery" Sun visible through a gray sheet-like cloud layer is often a good indication of ____ clouds.

Accepted Answer

A)   ​stratocumulus
B)   cirrostratus
C)   ​cumulonimbus
D)   ​altostratus
E)   ​nimbostratusF) C) and D)
G) None of the above

Question 9

​Contrails form due to the heating of air by aircraft engine exhaust.

Accepted Answer

A) True 
 B)False

Question 10

​In 1803, Luke Howard, an English naturalist, developed a cloud classification system that employed ____ words to describe clouds as they appear to a ground observer.

Accepted Answer

A)   ​German
B)   ​Greek
C)   ​Spanish
D)   ​English
E)   ​LatinF) A) and B)
G) A) and C)

Question 11

​All clouds form in rising air.

Accepted Answer

A) True 
 B)False

Question 12

​Condensation nuclei are important in the atmosphere because

Accepted Answer

A)   ​they provide most of the minerals found in water.
B)   ​they make it easier for condensation to occur in the atmosphere.
C)   ​they are the sole producers of smog.
D)   ​they filter out sunlight.
E)   ​they provide the only means we have of tracking wind motions.F) D) and E)
G) A) and B)

Question 13

​Abercromby's and Hildebrandsson's cloud classification system divides cloud forms into four primary cloud groups - ____________________ clouds, ____________________ clouds, and ____________________ clouds; the fourth group contains clouds showing more vertical than horizontal development.

Accepted Answer

high; middle; low
high; low; ...

Question 14

​The foggiest spot near sea level in the United States is Cape Cod, Massachusetts.

Accepted Answer

A) True 
 B)False

Question 15

​You are sitting inside your house on a sunny afternoon. The shades are drawn and you look at the window and notice the Sun disappears for about 10 seconds. The alternate light and dark period lasts for nearly 30 minutes. The clouds passing in front of the Sun are ____________________ clouds.

Accepted Answer

The answer of ​You are sitting inside your house on...

Question 16

​Fog that most often forms as warm rain falls into a cold layer of surface air is called

Accepted Answer

A)   ​radiation fog.
B)   ​evaporation (mixing)  or frontal fog.
C)   ​advection fog.
D)   ​upslope fog.
E)   ​giant fog.F) B) and C)
G) A) and E)

Question 17

​Radiation fog forms best on a

Accepted Answer

A)   ​clear winter night with a slight breeze.
B)   ​cloudy winter night with a strong breeze.
C)   ​clear summer night with a strong breeze.
D)   ​cloudy summer night with a slight breeze.
E)   ​cloudy winter night with a slight breeze.F) All of the above
G) A) and B)

Question 18

​Particles that serve as surfaces on which water vapor may condense are called

Accepted Answer

A)   ​hydrophobic nuclei.
B)   ​nacreous nuclei.
C)   ​condensation nuclei.
D)   ​scud.
E)   ​molecules.F) A) and C)
G) A) and B)

Question 19

​What kinds of information about clouds could you hope to determine using infrared and visible satellite photographs?

Accepted Answer

​Visible and infrared images are used to...

Question 20

​The scattering effect of dry haze produces a ____ color when viewed against a dark background and a ____ tint when viewed against a light-colored background.

Accepted Answer

A)   ​yellowish; bluish
B)   ​bluish; yellowish
C)   ​reddish; yellowish
D)   ​yellowish; reddish
E)   ​whitish; silveryF) D) and E)
G) B) and C)

Exam 5: Condensation - Dew - Fog - and Clouds

​In 1803, Luke Howard, an English naturalist, developed a cloud classification system that employed ____ words to describe clouds as they appear to a ground observer.

Correct AnswerverifiedShow Answer

​Fog that most often forms as warm rain falls into a cold layer of surface air is called

Correct AnswerverifiedShow Answer

​If fog is forming in Denver, Colorado (located on the eastern side of the Rocky Mountains) , and the wind is blowing from the east, then the fog is most likely

Correct AnswerverifiedShow Answer

​One positive aspect of foggy weather is a process required by fruit and nut trees that have finished growing during the summer and fall. This process, called ____________________, is the number of hours with air temperature below 7oC (45oF) before trees will begin to grow again.

Correct AnswerverifiedShow Answer

​In 1802, the French naturalist ____________________ proposed the first system for classifying clouds.

Correct AnswerverifiedJean-Bapti...View AnswerShow Answer

​You are sitting inside your house on a sunny afternoon. The shades are drawn and you look at the window and notice the Sun disappears for about 10 seconds. The alternate light and dark period lasts for nearly 30 minutes. The clouds passing in front of the Sun are ____________________ clouds.

Correct AnswerverifiedShow Answer

​A dim, "watery" Sun visible through a gray sheet-like cloud layer is often a good indication of ____ clouds.

Correct AnswerverifiedShow Answer

​Contrails form due to the heating of air by aircraft engine exhaust.

Correct AnswerverifiedShow Answer

​All clouds form in rising air.

Correct AnswerverifiedShow Answer

​Which two clouds can produce precipitation?

Correct AnswerverifiedShow Answer

​Abercromby's and Hildebrandsson's cloud classification system divides cloud forms into four primary cloud groups - ____________________ clouds, ____________________ clouds, and ____________________ clouds; the fourth group contains clouds showing more vertical than horizontal development.

Correct Answerverified​high; middle; lowhigh; low; ...View AnswerShow Answer

​Detached clouds of delicate and fibrous appearance, without shading, usually white in color and sometimes of a silky appearance are

Correct AnswerverifiedShow Answer

​The scattering effect of dry haze produces a ____ color when viewed against a dark background and a ____ tint when viewed against a light-colored background.

Correct AnswerverifiedShow Answer

​How can you visually distinguish between cumulus, altocumulus, and cirrocumulus clouds?

Correct AnswerverifiedCirrocumulus clouds appear as small, rou...View AnswerShow Answer

​Particles that serve as surfaces on which water vapor may condense are called

Correct AnswerverifiedShow Answer

​The foggiest spot near sea level in the United States is Cape Cod, Massachusetts.

Correct AnswerverifiedShow Answer

​Condensation nuclei are important in the atmosphere because

Correct AnswerverifiedShow Answer

​What kinds of information about clouds could you hope to determine using infrared and visible satellite photographs?

Correct Answerverified​Visible and infrared images are used to...View AnswerShow Answer

​Radiation fog forms best on a

Correct AnswerverifiedShow Answer

​Suppose the sky is covered with stratus clouds. How might you determine whether middle or high clouds are also present?

Correct AnswerverifiedInformation on cloud thickness and heigh...View AnswerShow Answer

In 1803, Luke Howard, an English naturalist, developed a cloud classification system that employed ____ words to describe clouds as they appear to a ground observer.

Correct Answer
verified

Fog that most often forms as warm rain falls into a cold layer of surface air is called

Correct Answer
verified

If fog is forming in Denver, Colorado (located on the eastern side of the Rocky Mountains) , and the wind is blowing from the east, then the fog is most likely

Correct Answer
verified

One positive aspect of foggy weather is a process required by fruit and nut trees that have finished growing during the summer and fall. This process, called ____________________, is the number of hours with air temperature below 7^oC (45^oF) before trees will begin to grow again.

Correct Answer
verified

In 1802, the French naturalist ____________________ proposed the first system for classifying clouds.

Correct Answer
verified
Jean-Bapti...
View Answer

You are sitting inside your house on a sunny afternoon. The shades are drawn and you look at the window and notice the Sun disappears for about 10 seconds. The alternate light and dark period lasts for nearly 30 minutes. The clouds passing in front of the Sun are ____________________ clouds.

Correct Answer
verified

A dim, "watery" Sun visible through a gray sheet-like cloud layer is often a good indication of ____ clouds.

Correct Answer
verified

Contrails form due to the heating of air by aircraft engine exhaust.

Correct Answer
verified

All clouds form in rising air.

Correct Answer
verified

Which two clouds can produce precipitation?

Correct Answer
verified

Abercromby's and Hildebrandsson's cloud classification system divides cloud forms into four primary cloud groups - clouds, clouds, and clouds; the fourth group contains clouds showing more vertical than horizontal development.

Correct Answer
verified
high; middle; low
high; low; ...
View Answer

Detached clouds of delicate and fibrous appearance, without shading, usually white in color and sometimes of a silky appearance are

Correct Answer
verified

The scattering effect of dry haze produces a color when viewed against a dark background and a tint when viewed against a light-colored background.

Correct Answer
verified

How can you visually distinguish between cumulus, altocumulus, and cirrocumulus clouds?

Correct Answer
verified
Cirrocumulus clouds appear as small, rou...
View Answer

Particles that serve as surfaces on which water vapor may condense are called

Correct Answer
verified

The foggiest spot near sea level in the United States is Cape Cod, Massachusetts.

Correct Answer
verified

Condensation nuclei are important in the atmosphere because

Correct Answer
verified

What kinds of information about clouds could you hope to determine using infrared and visible satellite photographs?

Correct Answer
verified
Visible and infrared images are used to...
View Answer

Radiation fog forms best on a

Correct Answer
verified

Suppose the sky is covered with stratus clouds. How might you determine whether middle or high clouds are also present?

Correct Answer
verified
Information on cloud thickness and heigh...
View Answer