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WorksheetsUnit 6 - Lesson 6: Changes of State
Total questions: 55
Worksheet time: 25mins
Name
Class
Date
1.
The change from liquid to solid, or the reverse of melting, is called:
a)
freezing
b)
condensation
c)
boiling
d)
sublimation
2.
What is vaporization?
a)
a liquid becoming a gas
b)
a gas becoming a liquid
c)
a liquid becoming a solid
d)
a gas becoming a solid
3.
During the process of sublimation,
a)
a solid turns directly into a gas
b)
a liquid turns to a gas
c)
a solid turns into a liquid
d)
a gas turns directly into a solid
4.
A shrinking puddle is an example of ___________, or vaporization that takes place only on the surface of a liquid.
a)
evaporation
b)
boiling
c)
freezing
d)
melting
5.
What happens when the particles in a liquid move so slowly that they begin to take on fixed positions?
a)
Condensation
b)
Vaporization
c)
Melting
d)
Freezing
6.
The characteristic temperature at which a pure solid changes to a liquid is its __________ point.
a)
melting
b)
boiling
c)
Schaffer
d)
pressure
7.
When a gas forms directly from a solid, skipping the liquid phase. it is called
a)
deposition
b)
sublimation
c)
evaporation
d)
condensation
8.
The change from a gas to a liquid is called
a)
condensation
b)
evaporation
c)
sublimation
d)
deposition
9.
When you add heat to a liquid, turning it to gas, the process is called
a)
vaporization
b)
sublimation
c)
condensation
d)
deposition
10.
Both boiling and evaporation are forms of vaporization. What is the difference between them?
a)
Boiling matter has intense heat added to it, evaporating matter has very little heat added to it.
b)
Boiling happens quickly, evaporation happens slowly.
c)
Evaporation occurs only at a liquid's surface, boiling occurs throughout the liquid
d)
All of these reasons
11.
Adding more heat energy to particles of matter will
a)
make them move slower
b)
make them move faster
c)
make them stop moving
d)
destroy them
12.
What is it called when the state of matter changes from a liquid to a solid?
a)
Vaporization
b)
Freezing
c)
Condensation
d)
Melting
13.
Melting (changing from a solid to a liquid) is a chemical change. (True or False)
a)
False
b)
True
14.
The state that matter exists in depends on its
a)
volume
b)
weight
c)
temperature
d)
mass
15.
A puddle of water dries up after a long time. What process has taken place?
a)
melting
b)
freezing
c)
evaporation
d)
condensation
16.
What is the boiling point of water?
a)
212°C
b)
100°C
c)
32°C
d)
0°C
17.
Taking energy away from a substance will make its particles move
a)
more slowly
b)
more quickly
c)
at the same speed
18.
How do you make matter change state?
a)
Add energy to it
b)
Take energy away from it
c)
Both of these
19.
The change in state from gas directly to solid (skipping liquid) is called
a)
deposition
b)
sublimation
c)
condensation
d)
evacuation
20.
Temperature at which a solid state changes to a liquid state
a)
boiling point
b)
melting point
c)
freezing point
d)
absolute zero
21.
Can result from adding or removing thermal energy
a)
explosion
b)
change of conservation
c)
change of state of matter
d)
Change of Newton's law
22.
The change of state from a gas to a liquid
a)
condensation
b)
deposition
c)
evaporation
d)
sublimation
23.
Temperature at which matter changes from liquid to solid
a)
freezing point
b)
melting point
c)
boiling point
d)
absolute zero
24.
Vaporization that occurs only at the surface of a liquid
a)
vaporization
b)
deposition
c)
sublimation
d)
evaporation
25.
The energy an object has due to its motion
a)
potential energy
b)
kinetic energy
c)
thermal energy
d)
solar energy
26.
Gas becomes solid without first becoming liquid
a)
sublimation
b)
deposition
c)
vaporization
d)
evaporation
27.
Solid becomes gas without first changing to liquid
a)
deposition
b)
sublimation
c)
evaporation
d)
condensation
28.
What is an example of sublimation?
a)
Ice cream melting
b)
Dry ice
c)
Fog
d)
Smoke
29.
What is the definition of sublimation?
a)
a chemical process where a solid turns into a gas without going through a liquid stage
b)
the process of a liquid changing into a gas
c)
the chemical energy activating
d)
the process of a solid changing to a liquid
30.
The phase change from water vapor to liquid water is known as...
a)
evaporation
b)
precipitation
c)
condensation
d)
sublimation
31.
As the energy of the molecules in a substance increases, the temperature of the substance __________.
a)
increases
b)
decreases
32.
The state of matter that has no definite volume or shape is
a)
Solid
b)
Liquid
c)
Gas
33.
The change from a gas to a liquid by cooling
a)
condensation
b)
evaporation
c)
sublimation
d)
deposition
34.
Melting (changing from a solid to a liquid) is a chemical change. (True or False)
a)
False
b)
True
35.
The state that water exist in depends on its ________.
a)
volume
b)
intensity
c)
temperature
d)
mass
36.
What is the likely temperature of water after boiling for 5 min?
a)
90°C
b)
100°C
c)
105°C
d)
120°C
37.
A change in state from a solid to a liquid
a)
Melting
b)
Freezing
c)
sublimation
d)
Vaporization
38.
A change in state from a liquid to a solid
a)
Melting
b)
Freezing
c)
sublimation
d)
Vaporization
39.
A change in state from a liquid to a gas
a)
Melting
b)
Freezing
c)
sublimation
d)
Vaporization
40.
A change in state from a solid to a gas
a)
Melting
b)
Freezing
c)
sublimation
d)
Vaporization
41.
A change in state from the surface of a liquid to a gas
a)
boiling
b)
evaporation
c)
freezing
d)
melting
42.
A change in state from the surface and below the surface of a liquid to a gas
a)
boiling
b)
evaporation
c)
freezing
d)
melting
43.
A change in state of a liquid to a gas that occurs at temperatures other than the boiling point
a)
boiling
b)
evaporation
c)
freezing
d)
melting
44.
A change in state of a liquid to a gas that occurs at the boiling point
a)
boiling
b)
evaporation
c)
freezing
d)
melting
45.
When a solid is heated, the particles begin to
a)
vibrate faster
b)
vibrate slower
c)
stop moving
46.
When a liquid is heated, the particles begin to
a)
gain energy and move faster
b)
gain energy and move slower
c)
stop moving
d)
lose energy and move faster
47.
During melting a substance
a)
gains thermal energy
b)
loses thermal energy
c)
gains chemical energy
d)
loses chemical energy
48.
During freezing, a substance
a)
gains thermal energy
b)
loses thermal energy
c)
gains chemical energy
d)
loses chemical energy
49.
During boiling, a substance
a)
gains thermal energy
b)
loses thermal energy
c)
gains chemical energy
d)
loses chemical energy
50.
During evaporation, a substance
a)
gains thermal energy
b)
loses thermal energy
c)
gains chemical energy
d)
loses chemical energy
51.
During condensation, a substance
a)
gains thermal energy
b)
loses thermal energy
c)
gains chemical energy
d)
loses chemical energy
52.
During sublimation, a substance
a)
gains thermal energy
b)
loses thermal energy
c)
gains chemical energy
d)
loses chemical energy
53.
Temperature is
a)
is the average energy due to the motion of the particles
b)
is the total energy due to the motion of the particles
c)
does not involve motion of the particles
54.
Thermal energy
a)
is the average energy due to the motion of the particles
b)
is the total energy due to the motion of the particles
c)
does not involve motion of the particles
55.
Vaporization includes both
a)
boiling and freezing
b)
boiling and melting
c)
boiling and evaporation
d)
melting and freezing
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