Earth Science Geology, the Environment, and the Universe

Section 3: Clouds and Precipitation

Self-Check Quizzes-English

1
How are clouds formed?
A)Warm moist air is forced to rise over a mountain.
B)Warm air is forced into a convection current.
C)Two air masses of different temperatures meet.
D)All of these answers are correct.
2
Clouds are classified by __________.
A)the altitude of the cloud formation and its shape
B)their shape and density
C)the altitude at which they form
D)their shape only
3
Dust and sea salt are examples of __________ that aid in the formation of cloud droplets.
A)orographic lifters
B)pollution
C)liquid molecules
D)condensation nuclei
4
What shape of cloud is being formed in the figure?
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A)nimbus
B)cumulus
C)stratus
D)cirrus
5
The constant movement of water between the atmosphere and Earth's surface is called __________.
A)the rain cycle
B)the water cycle
C)convection currents
D)evaporation
6
Which best describes the shapes of stratus clouds?
A)wispy and feathery
B)puffy and tall
C)layered and sheet-like
D)ragged and angular
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