WorksheetsAir and Pressure Review
Total questions: 25
Worksheet time: 25mins
Name
Class
Date
1.
In what direction(s) does air exert pressure?
a)
downward
b)
no direction
c)
upward
d)
all directions
2.
___________is the result of the weight of a column of air pushing on an area.
a)
air pressure
b)
density
c)
mass
d)
volume
none of the above
none of the above
3.
A _____________ is the scientific instrument used to measure air pressure.
a)
anemometer
b)
barometer
c)
thermometer
d)
watch
4.
What happens to the amount of oxygen molecules as altitude increases?
a)
There are fewer oxygen molecules
b)
There are more oxygen molecules
c)
There are the same amount of molecules
d)
Nothing happens to the amount of molecules
5.
Michael observes the air pressure daily. Over the last couple of days, the air pressure has been dropping (getting lower). What weather will Michael most likely observe as a result?
a)
increasingly clear skies and more wind
b)
increasingly clear skies and dry weather
c)
increasingly cloudy skies and possible storms
d)
increasingly cloudy skies and cooler temperatures
6.
78% of earth's atmosphere is composed of ______________.
a)
methane
b)
oxygen
c)
argon
d)
nitrogen
7.
Cold air exerts _____________ pressure than warm air.
a)
the same
b)
greater
c)
less
d)
more variable
8.
When going up a mountain, your ears 'pop' because the air pressure __________________________.
a)
remains the same
b)
decreases
c)
increases
d)
becomes constant
9.
Air pressure does not crush objects on earth _________.
a)
because more air pushes up than down
b)
because gravity keeps air pressure away
c)
because air pressure pushes in all directions
d)
because the Earth has an opposing force of gravity
10.
The amount of mass in a unit volume of a substance is the _____.
a)
mass
b)
pressure
c)
volume
d)
density
11.
Why is it hard to breath at high altitudes?
a)
The percentage of oxygen in the air is lower.
b)
There is a higher density of air molecules.
c)
There is a low density of air molecules.
d)
The air pressure is greater than at low altitudes.
12.
What prevented the water from rushing inside the upside-down and submerged boat in this Pirates of the Caribbean movie scene?
a)
Trapped air pushing on the water.
b)
An invisible bubble seal.
c)
The magic of Hollywood.
d)
The water is less dense than air.
13.
What causes the pattern in air density throughout Earth's atmosphere?
a)
Gravity pulls air towards the center of Earth.
b)
Gravity pushes air towards the center of Earth.
c)
Wind blows air towards Earth's surface.
d)
Air is attracted to Earth's surface like a magnet.
14.
Which location on the map has the lowest air pressure?
a)
A
b)
B
c)
C
d)
D
15.
Which book is under the greatest pressure?
a)
yellow book
b)
red book
c)
green book
d)
dark blue book
16.
Which book is under the least pressure?
a)
yellow book
b)
red book
c)
green book
d)
dark blue book
17.
Which graph shows the relationship between altitude (x) and air pressure (y) ?
a)
A
b)
B
c)
C
d)
D
18.
Which graph shows the relationship between density (x) and air pressure (y) ?
a)
A
b)
B
c)
C
d)
D
19.
Which location has the highest air pressure?
a)
Station A
b)
Station B
c)
Station C
d)
All Stations Have The Same Pressure
20.
Which location has the lowest air pressure?
a)
Station A
b)
Station B
c)
Station C
d)
All Stations Have The Same Pressure
21.
Air applies a force on an object.
a)
True
b)
False
22.
What percentage of our atmosphere is made up of trace gases such as argon, water vapor, and carbon dioxide?
a)
1%
b)
21%
c)
78%
d)
90%
23.
What is the percentage of oxygen in Earth's atmosphere?
a)
1%
b)
21%
c)
78%
d)
90%
24.
Which of the following is NOT a reason why the atmosphere is important?
a)
It is made of many layers.
b)
It provides gases living things need.
c)
It maintains temperatures needed for liquid water.
d)
It protects us from UV rays and meteors.
25.
What type of substance is the atmosphere?
a)
Compound
b)
Element
c)
Mixture
d)
Non-Newtonian Fluid
100 %
