Chapter 6:
Thermal Energy
Practice Test
1.
What is the term for heat moving through a material or from one material to another?
a.
conduction
b.
temperature
c.
radiation
d.
convention
Hint
2.
What material property is important in refrigeration?
a.
When a gas is compressed, it gains thermal energy.
b.
Liquids evaporate more as they become warmer.
c.
Liquids can gain thermal energy from their surroundings.
d.
All of the above.
Hint
3.
How does heat produce work in an automobile engine?
a.
Friction in the engine produces heat.
b.
Heat production by the engine expands gas, which forces the pistons to move.
c.
Liquids can gain thermal energy from their surroundings.
d.
All of the above.
Hint
4.
What is latent heat?
a.
the heat used to raise the temperature of steam
b.
heat that is not measurable
c.
Liquids can gain thermal energy from their surroundings.
d.
All of the above.
Hint
5.
What means of heat transfer does not require a medium?
a.
conduction
b.
convection
c.
radiation
d.
All means of heat transfer require a medium.
Hint
6.
What temperature is the boiling point of water on the Celsius scale.
a.
212°C
b.
100°C
c.
32°C
d.
0°C
Hint
7.
How is thermal energy transferred from one object to another?
a.
Thermal energy is transferred form something of higher temperature to something of lower temperature.
b.
Transfer of thermal energy continues until objects are in thermal equilibrium.
c.
32°C
d.
All of the above.
Hint
8.
What is a potential environmental problems related to thermal pollution?
a.
Increased temperature of water may make it difficult for fish to breathe.
b.
Transfer of thermal energy continues until objects are in thermal equilibrium.
c.
32°C
d.
All of the above.
Hint
9.
What is the term for heat transfer by motion of a heat-carrying medium?
a.
radiation
b.
convection
c.
temperature
d.
conduction
Hint
10.
What can be said of two objects that are in thermal equilibrium?
a.
Heat energy is in transit between the objects.
b.
The two objects have the same temperature.
c.
temperature
d.
All of the above.
Hint
11.
What is heat?
a.
Heat energy is in transit between the objects.
b.
The two objects have the same temperature.
c.
temperature
d.
All of the above.
Hint
12.
How does a vacuum bottle minimize heat transfer?
a.
Inner glass bottles minimize conduction.
b.
An inner vacuum in the bottle prevents convection and conduction.
c.
Reflective coating inside the bottle minimizes radiation.
d.
All of the above.
Hint
13.
What means of heat transfer is thought to be the driving mechanism of plate tectonics?
a.
conduction
b.
convection
c.
radiation
d.
volcanoes
Hint
14.
Why are gasoline engines so inefficient?
a.
because most of the heat produced just makes the car warmer and does not work
b.
because exhaust from gasoline engines damages the environment
c.
because cars are heavy and therefore difficult to move
d.
because the world is quickly running out of oil, which is used to manufacture gasoline
Hint
15.
Who is credited with the invention of the modern liquid-in-glass thermometer?
a.
Kelvin
b.
Fahrenheit
c.
Celsius
d.
Galileo
Hint
