WorksheetsAir Pressure
Total questions: 20
Worksheet time: 26mins
Name
Class
Date
1.
___________is the result of the weight of a column of air pushing on an area.
a)
air pressure
b)
density
c)
volume
d)
none of the above
2.
What does the air consist of?
a)
molecules
b)
helium
c)
density
d)
weather
3.
What direction do the molecules go in the air?
a)
everywhere
b)
no where
c)
there are no molecules
d)
downward
4.
________is the instrument used to measure air pressure.
a)
barometer
b)
thermometer
c)
mercury
d)
watch
5.
What is another word for altitude?
a)
elevation
b)
barometer
c)
circumference
d)
weight
6.
As you climb up a mountain what happens to the air pressure?
a)
decreases
b)
increases
c)
stays the same
7.
What happens to the oxygen molecules as altitude increases?
a)
fewer molecules
b)
more molecules
c)
same amount of molecules
d)
nothing happens to the molecules
8.
Heat transfer between two substances that are in contact with each other is called
a)
conduction
b)
convention
c)
convection
d)
radiation
9.
Convection takes place because
a)
warm air is more dense than humid air
b)
warm and cold air have the same density
c)
cold air is less dense than warm air
d)
cold air is more dense than warm air
10.
Winds are caused by differences in
a)
precipitation
b)
humidity
c)
air pressure
d)
turbulence
11.
Warm air rising at the equator and cold air sinking at the poles is one reason for which event?
a)
hurricanes
b)
Coriolis Effect
c)
Earth's rotation
d)
convection currents
12.
The __, or elevation of a mountaintop is its distance above sea level.
a)
greenhouse effect
b)
altitude
c)
convection
d)
weather
13.
At the seashore late in the afternoon on a hot, sunny day, a person often feels a strong breeze coming in from the ocean. Which of the following is the reason for the breeze?
a)
pounding waves generate air currents
b)
warm air over the ocean rushes in to replace the cool air that rises over land
c)
there are no clouds to block wind coming in
d)
heavy cool air over the ocean rushes in to replace warm air that rises over the land
14.
Global winds generally
a)
are unpredictable
b)
change directions day to day
c)
blow from specific directions over long distances
15.
What causes winds?
a)
differences in precipitation
b)
differences in humidity
c)
differences in air pressure
16.
The name of the global winds that move from west to east across the United States is called
a)
Trade Winds
b)
Prevailing Westerlies
c)
Polar Easterlies
d)
Doldrums
17.
At night, the denser cool air over the land moves in and replaces the less dense, warmer air that rises over the ocean. This is called
a)
sea breeze
b)
land breeze
c)
trade winds
18.
Low pressure will usually bring what kind of weather?
a)
Sunny
b)
Calm
c)
Stormy
19.
Instruments used to measure air pressure are called
a)
thermometers
b)
hygrometers
c)
hydrometers
d)
barometers
20.
Pressure is the effect of
a)
the weight of all the air above pressing down
b)
water vapor in the atmosphere
c)
greenhouse gases
d)
solar radiation
100 %
