WorksheetsF2 : Air Pressure Vol 2
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
What will happen to a balloon as it goes up into the air?
a)
The size of the balloon increases
b)
The size of the balloon decreases
c)
The wall of the balloon becomes thicker
d)
Water droplets are formed inside the balloon
2.
Cold air exerts _____________ pressure than warm air
a)
the same
b)
more
c)
less
3.
The force of a column of air pressing down is called what?
a)
Air Mass
b)
Air Pressure
c)
Air
d)
Heavy
4.
The air pressure is _____ when closest to the earth's surface.
a)
low
b)
stinky
c)
high
d)
thin
5.
What does a barometer measure?
a)
air pressure
b)
water level
c)
wind direction
d)
wind speed
6.
What does pressure measure?
a)
Strength
b)
Force exerted on a given area of surface
7.
Density of air is greater at high altitudes.
a)
true
b)
false
8.
What is the difference between particles in a gas and a solid?
a)
gas particles are closer together
b)
solid particles move faster than gas particles
c)
solid particles expand on heating
d)
gas particles have more kinetic energy than solid particles
9.
What is caused by gas particles colliding with the walls of a container?
i) Kinetic energy
ii) Gas pressure
iii) Heat energy
i) Kinetic energy
ii) Gas pressure
iii) Heat energy
a)
i only
b)
ii only
c)
i and ii only
d)
i, ii and iii
10.
Which of the following statements explains why an empty bottle crushes when pressed?
a)
Air enter the bottle
b)
Heat from the hand expands the air in the bottle
c)
The air inside the bottle is forced out
d)
The air pressure inside the bottle is higher than the air pressure outside
11.
The gas pressure inside a closed container increases when the number of a gas particles increases because
a)
the energy of the gas particles increases
b)
the temperature of the gas particles decreases
c)
the number of collisions between the gas particles and the walls of the container increases
d)
the gas particles fuse together
12.
The condensed milk in a can cannot flow out although a hole has been punched in the lid. What should be done to the can of condensed milk?
a)
Punch another hole in the can
b)
Shake the can vigorously
c)
Heat the can with a strong flame
d)
Soak the can in hot water
13.
Which of the following is a safety measure when using a gas tank?
a)
Turn on the gas before lighting the match
b)
Check the pipe connection using water
c)
Keep the gas tank away from the fire
d)
Keep the gas tank in a closed cupboard
14.
How can the gas pressure in a container be decreased?
a)
By cooling it
b)
By replacing the container with a smaller container
c)
By adding more gas into the container
d)
By immersing the container in water
15.
Which of the following need to be done to a gas to turn it into a liquid?
i) Compress it
ii) Cool it
iii) Boil it
i) Compress it
ii) Cool it
iii) Boil it
a)
ii only
b)
i and ii only
c)
i and iii only
d)
i, ii and iii
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