Name _______________________________ Date __________________
SOL PS.7
1. The temperature at which all
molecular motion would stop is
called:
A
B
C
D
0 degrees Celsius.
absolute zero.
273 degrees Kelvin.
absolute Kelvin.
2. The amount of heat required to
change a solid to a liquid is called
what?
A
B
C
D
heat of vaporization
heat of fusion
heat of condensation
specific heat
3. As a solid substance is heated,
the vibration of its molecules
increases. The molecules leave
their fixed positions to move and
slide over each other. What is
happening to the substance?
A
B
C
D
It is crystallizing.
It is boiling.
It is freezing.
It is melting.
4. What will NOT happen when a gas
is heated?
A
B
C
D
The size of the gas molecules will
increase.
The kinetic energy of the gas
molecules will increase.
The temperature of the gas will
increase.
The pressure in a container holding
the gas will increase.
5. What temperature is absolute
zero?
A
B
C
D
0K
– 273 K
0 oC
273 oC
6. What is the name of something
that can reduce the heat flow
between two materials?
A
B
C
D
an isolator
an insulator
a resistance
a reducer
7. In which direction does heat
move?
A
B
C
D
from lower temperature matter to
higher temperature matter
from higher temperature matter to
lower temperature matter
from matter at one temperature to
other matter at similar temperatures
in a direction to increase the
temperature difference between the
groups of matter
8. Why does the liquid in a
thermometer work to indicate
temperature?
A
B
C
D
Liquids contract as their
temperature increases so their
volume decreases.
The molecules condense as the
temperature increases, increasing
their volume.
Liquids expand as their temperature
increases, so their volume
increases.
The molecules evaporate as the
temperature increases, decreasing
their volume.
_______________________________________________________________________________________________________
Copyright©1999,2000 S.S. Flanagan & D.E. Mott
15
Do not reproduce without permission. 07-15-00
Name _______________________________ Date __________________
SOL PS.7
9. In the metric system, the amount
of heat necessary to change the
temperature of 1 gram of water 1
oC is the:
A
B
C
D
thermal unit.
joule.
calorie.
Kelvin.
10. Heat transfer by radiation makes
use of what types of waves?
A
B
C
D
electromagnetic waves
sound waves
gamma waves
pressure waves
11. In the winter, salt is often used to
melt ice and snow. How does this
process work?
A The salt is heated by the sun. The
heat transfers to the snow and ice
and melts them.
B Adding salt causes a heat-releasing
chemical reaction to take place
which melts the snow and ice.
C Adding the salt lowers the freezing
point of water below 0 °C and the
snow and ice melt.
13. When you cook an egg in a frying
pan, you are taking advantage of
what type of heat transfer?
A
B
C
D
radiation
convection
vaporization
conduction
14. Boiling an egg makes use of
which types of heat transfer?
A
B
C
D
convection and radiation
vaporization and conduction
radiation and vaporization
conduction and convection
15. If a pressurized can of spray paint
is placed into a fire, what will
probably happen?
A
B
C
D
The can will contract and collapse.
The can will explode.
The can will melt.
Nothing important will occur.
D Adding the salt raises the boiling
point of water above 0 °C, causing
the snow and ice to melt.
16. Which of the following metals
conducts heat the best?
12. What is the only type of heat
transfer which can take place
across a vacuum?
A
B
C
D
A
B
C
D
lead
iron
aluminum
copper
radiation
convection
conduction
No heat transfer can occur through
a vacuum.
_______________________________________________________________________________________________________
Copyright©1999,2000 S.S. Flanagan & D.E. Mott
16
Do not reproduce without permission. 07-15-00
Name _______________________________ Date __________________
SOL PS.7
Use the Phase Diagram below to
answer the next two questions.
Below is a diagram showing four
parts of a heating sysytem.
Phase Diagram
1
2
LIQUID
SOLID
D
P
r
e
s
s
u
r
e
3
4
C
A
B
GAS
19. Which label(s) indicate the part(s)
that make up the thermostat?
Temperature
17. What are the proper labels for
arrows A and B?
A
B
C
D
A
B
C
D
1 only
1 and 2
1 and 3
3 only
A = boiling; B = freezing.
A = evaporation; B = precipitation.
A = sublimation; B = deposition.
A = gasification; B = solidification.
18. What are the proper labels for
arrows C and D?
A
B
C
D
C = precipitation; D = solidification.
C = condensation; D = freezing.
C = evaporation; D = sublimation.
C = boiling; D = desposition.
_______________________________________________________________________________________________________
Copyright©1999,2000 S.S. Flanagan & D.E. Mott
17
Do not reproduce without permission. 07-15-00