Chapter 18 and 20 Test
Rain, snow, sleet, and hail are examples of….
Precipitation
Which term describes the conservation of a solid directly to a gas, without passing through the liquid state?
Sublimation
The change of state from a gas to liquid is called….
Condensation
Air that has reached its water-vapor capacity is said to be….
Saturated
Which of the following is not a process that lifts air?
divergence
Orographic lifting is associated with….
Mountains
Which cloud type consists of globular cloud masses with a cauliflower structure?
Cumulus
Which term is used to describe clouds of middle height?
Alto
Which cloud are often associated with thunder and lightning?
Cumulonimbus
Which type of precipitation consists of small clear-to-translucent ice particles?
Sleet
What type of cloud is associated with hail?
Cumulonimbus
Maritime air masses form….
Over water
Which air masses have the greatest effect on weather conditions in much of the United States?
cP and mT
The boundary that separates different air masses is called a(n)….
Front
The weather behind a cold front is dominated by which of the following?
Cold air mass
Which gas is most important for understanding atmospheric process
water vapor
The process by which water vapor changes directly to a solid is called….
Deposition
The ratio of air’s water-vapor content to its capacity to hold water vapor same temperature is the….
Relative humidity
Which cloud type is best described as sheets or layers that cover much or all of the sky?
Stratus
Which cloud type is confined to the middle height range?
Alto Stratus
Compared to clouds, fogs are….
At low attitudes
Which of the following processes can produce either rain or snow?
The Bergeron process
An immense body of air characterized by similar properties at any given altitude is known as a(n)….
Air mass
Which two properties characterize an air mass?
Temperature and moisture
Which type of air mass originated in northern Canada?
mP
An mT air mass is best6 described as….
Warm and wet
A cT air mass is….
Hot and dry
In Figure 20-1 which of the following is characteristics of the air mass labeled F?
Hot and dry and Hot in summer
Which air mass is the source of much of the precipitation in the central and eastern United States?
mT
On a weather map, which type of front is shown by a line with triangular points on one side?
Cold
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