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PVT

Total questions: 50

Worksheet time: 1hrs 22mins

Name
Class
Date
1.
Gas laws involve what three variables?
a)
Solid Liquid Gas 
b)
Speed Velocity Acceleration 
c)
Elements Compounds Mixtures 
d)
Pressure Temperature Volume 
2.
What will happen to the volume of a gas if the pressure increases, with constant temperature ?
a)
Increase
b)
Decrease
c)
Nothing
d)
Explosion!
3.
If you increase the pressure, what will happen to the temperature, if volume is constant?
a)
Increase
b)
Decrease
c)
Stay the same
d)
It will Blow Up
4.

If a hairspray can is heated, what can be expected of the pressure of the gas inside the can?

a)

The pressure will increase

b)

The pressure will decrease

c)

The pressure will remain constant

d)

The pressure will equalize

5.
Of these three states of matter, which one has the most kinetic energy? 
a)
Solid 
b)
Liquid 
c)
Gas
6.

On a cold December day, you go to the store to buy balloons for Mrs. Lane's birthday. When you leave the store, what happens to the volume of the balloon?

a)

INCREASES

b)

DECREASES

7.

You are at a fair and your younger sibling wants a balloon animal. The artist twist and turns the balloon into a penguin. How did this affect the volume?

a)

INCREASES

b)

DECREASES

8.

You shake a can of soda and then open it which decreases the pressure. What happens to the volume of the carbon dioxide in the soda?

a)

INCREASES

b)

DECREASES

9.

The scuba diver ascends to the surface of the water. What happens to the volume of his lungs?

a)

INCREASES

b)

DECREASES

10.

The soccer girls forgot a soccer ball on the field after Coach K's practice. When the sun went down, the temperature dropped. What happened to the volume of the ball?

a)

INCREASES

b)

DECREASES

11.

At the end of the year, Mrs. Lane makes S'mores over the bunsen burner for her Chemistry students. What happens to the volume of the air bubbles inside the marshmallows?

a)

INCREASES

b)

DECREASES

12.

Increasing the temperature of a gas will _______ the pressure it exerts.

a)

increase

b)

decrease

c)

not affect

13.

If the temperature of a gas is kept constant but the volume is decreased, the pressure will _______.

a)

increase

b)

decrease

c)

remain constant

14.

If the volume of a gas is kept constant but the temperature is decreased, the pressure will _______.

a)

increase

b)

decrease

c)

remain constant

15.

The faster the molecules move, the more _______ _____ they have, the more the spread out.

a)

Kinetic Energy

b)

Gas Laws

c)

Pressure Temperature

d)

Equation

16.
A measure of how hot or cold something is; specifically a measure of the average kinetic energy of the particles in an object.
a)
Thermometer
b)
Temperature
c)
Absolute Zero
d)
Specific Heat
17.

A student inflates a balloon with helium then places it in the freezer. The student should expect

a)

the balloon's volume to increase

b)

the balloon's volume to decrease

c)

the balloon's moles to increase

d)

the balloon's moles to decrease

18.

Pressure is

a)

defined as the mass that an object exerts when at rest.

b)

not measurable in gases.

c)

defined as the number of moles of substance divided by the mass of the substance.

d)

created by the force of the gas particles impacting the walls of the container.

19.
Water vapor is a __________.
a)
solid 
b)
liquid
c)
gas
20.

In the graph, air pressure is on the Y axis and altitude increases to the right on the X axis. What statement below best describes the graph?

a)

pressure increases as altitude increase

b)

pressure decreases as altitude increases

c)

pressure decreases as altitude decreases

d)

atmospheric pressure is zero at sea level.

21.

Which of these is under greater pressure?

a)
b)
22.
When the temperature of matter increases the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
23.
How do gas molecules move? 
a)
in an orderly fashion 
b)
constantly and randomly
c)
in straight line paths
d)
in a circular motion
24.
True or False: Gases can be compressed. 
a)
True
b)
False
25.
When Pressure increases then the Volume must...
a)
Increase
b)
decrease
26.
When Volume increases then Pressure must...
a)
Increase
b)
Decrease
27.
What type of relationship to pressure and volume have?
a)
direct
b)
inverse
c)
no relationship
d)
I don't know
28.
Which container will have a lower pressure?
a)
left
b)
right
c)
they both have the same pressure
d)
I don't know
29.
What causes pressure?
a)
The walls of the container
b)
The vacuum in the container
c)
The collisions of the particles
d)
Atmospheric pressure acting on the outside walls
30.
If a balloon is cooled what will happen to the volume?
a)
Volume will increase
b)
Volume will decrease
c)
Volume will not change
31.
Which of the following would increase the (gas) pressure of a system?
a)
Increase the Temperature
b)
Pump in more gas
c)
Decrease the volume
d)
All of these
32.
The following graph shows ____ relationship. 
a)
Direct
b)
Inverse
33.

The pressure and volume of a gas show a _____ relationship.

a)

Inverse

b)

Direct

34.
When a cold tire is inflated to a certain pressure and then is warmed up due to friction with the road, the pressure increases. This happens because the
a)
air molecules hit the walls of the tire less frequently
b)
rubber in the tires reacts with oxygen in the atmosphere
c)
air molecules speed up and collide with the tire walls more often
d)
air molecules diffuse rapidly through the walls of the tire.
35.
The random molecular motion of a substance is greatest when the substance is
a)
condensed
b)
frozen
c)
gas
d)
a liquid
36.
The kinetic theory of matter states that all of the particles that make up matter are constantly
a)
growing
b)
shrinking
c)
crying
d)
moving
37.
At higher temperatures...
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
38.
If you place a balloon in a freezer what happens to the size of the balloon?
a)
Doubles
b)
increases
c)
decreases
d)
stays still
39.
When a substance melts, the kinetic energy _____________.
a)
decreases
b)
stays the same
c)
increases
d)
decreases then increases
40.
When molecules flow around each other, they are in this phase
a)
solid
b)
liquid
c)
gas
d)
plasma
41.
What is the energy that an object has because it is moving?
a)
kinetic
b)
potential
c)
electric
d)
wind
42.
What takes place when a liquid changes to a gas?
a)
condensation
b)
melting
c)
evaporation
d)
freezing
43.
What takes place when a solid changes to a liquid?
a)
condensation
b)
melting
c)
evaporation
d)
freezing
44.
What is the average kinetic energy of a substance called?
a)
volume
b)
temperature
c)
pressure
d)
movement
45.
What takes place when a liquid changes to a solid?
a)
condensation
b)
melting
c)
evaporation
d)
freezing
46.
What takes place when a gas changes to a liquid?
a)
melting
b)
freezing
c)
evaporation
d)
condensation
47.
If you have a liquid that changes to a gas, explain it's freedom of movement in both phases.
a)
molecules move away from each other, then around each other
b)
molecules move in place, then around each other
c)
molecules move around each other, then away from each other
d)
molecules move around each other, then in place
48.
Before: molecules move around each other, After: molecules move in place
a)
Before, the substance was a solid and later a liquid.
b)
Before,the substance was a gas, and later a liquid.
c)
Before, the substance was a liquid and later a solid.
d)
Before,the substance was a liquid, and later a gas.
49.
Are there molecules moving in a solid brick?
a)
yes
b)
no
c)
maybe
d)
not sure
50.
What is sublimation?
a)
phase change between solid and liquid
b)
pahse change from gas to solid
c)
phase change from solid to gas
d)
phase change from solid to solid

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