WorksheetsThermal Energy Review
Total questions: 28
Worksheet time: 17mins
Name
Class
Date
1.
Analyze: Which would have more thermal energy?
a)
The moose, because it is much warmer than the frozen lake
b)
The frozen lake, because it is colder than the moose
c)
The moose, because it is much smaller than the frozen lake
d)
The frozen lake, because it is much larger than the moose
2.
Which of these two substances would heat up faster, if they were placed over the same heat source?
McCamishithium: Specific heat of 75 J/(kg K)
Nobodyontium: Specific heat of 70 J/(kg K)
McCamishithium: Specific heat of 75 J/(kg K)
Nobodyontium: Specific heat of 70 J/(kg K)
a)
McCamishithium because the specific heat is higher
b)
Nobodyontium because the specific heat is lower
c)
They would heat at the same rate
3.
Which is the best definition for specific heat?
a)
heat required to make something boil
b)
materials or methods used to reduce heat transferred to objects
c)
the heat required to raise the temperature of something by 1 degree Celsius
d)
heat required to raise the temperature of something by 10 degrees Celsius
4.
What type of thermal energy transfer would a window insulate?
a)
Convection
b)
Radiation
c)
Conduction
5.
How can a hotter object have less thermal energy than a colder object?
a)
The object with higher temperature would need more mass
b)
The object with lower temperature would require more mass
6.
What is the best definition of radiation?
a)
Heat is transferred by the movement of currents within a fluid (a liquid or a gas).
b)
The average kinetic energy of all the particles in an object
c)
The transfer of energy by electromagnetic waves. (You can feel this from a bonfire or heat lamp.)
d)
1. The heat required to raise the temperature of one gram of a substance one degree Celsius.
7.
Which is the best definition for conduction?
a)
Heat is transferred from one particle of matter to another without the movement of matter itself
b)
Total energy of the particles in an object.
c)
1. The materials or methods used to reduce heat transfer
d)
Heat is transferred by the movement of currents within a fluid
8.
Which is the best definition of convection?
a)
The temperature scale most commonly used in the U.S. Water freezes at 32 degrees and boils at 212 degrees
b)
The heat required to raise the temperature of one gram of a substance one degree Celsius
c)
Heat is transferred from one particle of matter to another without the movement of matter itself
d)
Heat is transferred by the movement of currents within a fluid
9.
What is the purpose of a thermal insulator?
a)
To increase thermal energy transfer
b)
To help things melt or boil
c)
To decrease thermal energy transfer
d)
To change specific heat
10.
3. If the atoms of an object are moving fast, the temperature would be...
a)
High
b)
Low
c)
Unknown
11.
4. If the atoms of an object are moving slow, the object would feel...
a)
Cold
b)
Hot
c)
Unknown
12.
These materials are considered good thermal conductors.
a)
cotton balls
b)
wood
c)
metals
d)
fiberglass
13.
Heat transferred through liquids and gasses.
a)
conduction
b)
convection
c)
radiation
d)
consolation
14.
A thermal insulator doesn't allow heat to pass through it easily.
a)
True
b)
False
15.
Lying in the sun to get a tan happens because of ______.
a)
convection
b)
radiation
c)
conduction
16.
Heat moves from higher temperatures to lower temperatures.
a)
True
b)
False
17.
Conduction is heat transfer by -
a)
Touch
b)
Circles
c)
Waves
18.
Radiation is heat transfer by-
a)
Touch
b)
Circles
c)
Waves
19.
In what direction do hot liquids and gasses move?
a)
Side to Side
b)
Down
c)
Up
d)
Back and Forth
20.
In what direction to cold liquids and gasses move?
a)
Side to Side
b)
Up
c)
Down
d)
Back and Forth
21.
What happens to particles as they cool down?
a)
They slow down
b)
Nothing
c)
They don't move
d)
They speed up
22.
Convection could occur in which of the materials below?
a)
A block of wood
b)
The ocean
c)
A bowl of ice cream
d)
In space
23.
Cold can never move into something, it is _________ flowing out that makes us feel cold.
a)
cool air
b)
heat
c)
atoms
d)
molecules
24.
An object that allows thermal energy to move easily through is
a)
a conductionn
b)
a conductor
c)
an insulation
d)
an insulator
25.
LT2: a measure of the average kinetic energy of the individual particles in matter is:
a)
mass
b)
temperature
c)
matter
d)
heat
26.
LT3: If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ____________
a)
one reaches a temperature of zero
b)
they both have an equal temperature
c)
one runs out of energy
27.
The amount of heat required to raise the temperature of one gram of a substance by one degree Celsius is ________
a)
Heat energy
b)
Specific heat
c)
convection
d)
thermal energy
28.
A high specific heat means...
a)
It heats up quickly with energy added
b)
It requires more energy to change temperature
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