wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Thermal Energy Unit Review

Total questions: 50

Worksheet time: 1hrs 15mins

Name
Class
Date
1.
Molecules are always ____________________ (with the exception of absolute zero). 
a)
in motion
b)
frozen
2.
___________________ is the measure of kinetic energy of particles. 
a)
A thermometer
b)
Expansion
c)
Farenheit
d)
Temperature
3.
How is heat transferred?
a)
From a cooler object to a warmer object.
b)
From a warmer object to a cooler object
4.
Molecules move _______ when thermal energy is added to a solid, liquid, or gas. 
a)
freely 
b)
quickly
c)
in slow motion 
5.
Which tool is used to measure thermal energy?
a)
oven 
b)
scale
c)
thermometer
6.
Water boils at 100 degrees on which scale?
a)
Farenheit
b)
Celsius
c)
Kelvin
7.
Water boils at 212 degrees on which scale?
a)
Farenheit
b)
Celsius
c)
Kelvin
8.
Water freezes at 0 degrees on which scale?
a)
Farenheit
b)
Celsius
c)
Kelvin
9.
Water freezes at 32 degrees on which scale?
a)
Farenheit
b)
Celsius
c)
Kelvin
10.
The transfer of thermal energy through collisions of particles is ___________.
a)
Radiation
b)
Convection
c)
Conduction
11.
When objects are heated they _________.
a)
Contract
b)
Expand
12.
_________________ usually make the best conductors. 
a)
Blankets
b)
Wooden materials
c)
Solid metals
13.
Which is not an example of an insulator?
a)
Air
b)
Ceramic
c)
Plastic
d)
Wood
14.

Do molecules generally move faster at 45 C or 106 C?

a)

45 C because molecules have more energy than in 106C

b)

106 C because molecules have more energy than in 45C

c)

106 C because molecules have less energy than in 45C

d)

45C because molecules have less energy than in 106 C

15.
As a system becomes more disordered, entropy
a)
remains the same
b)
increases
c)
decreases
d)
cannot be determined
16.
The transfer of thermal energy between objects of different temperatures is called...
a)
temperature
b)
heat
c)
internal energy
d)
none of these
17.
When thermal energy is added to a substance, the substance's particles move:
a)
More rapidly at an increased diestance from each other.
b)
More rapidly with less distance between each other.
c)
More slowly with a greater distance between each other.
d)
More slowly with a reduced distance between each other.
18.
Heat travels from the sun to the earth by the process of...
a)
conduction
b)
convection
c)
radiation
d)
insulation
19.
A substance with a high specific heat:
a)
Is always extremely hot.
b)
Requires a lot of energy to become hot.
c)
Is not heavy.
d)
Does not requires a lot of energy to become hot.
20.
The temperature of a glass of cold water will eventually...
a)
Match the temperature of the surrounding environment.
b)
Always be colder than the surrounding environment.
c)
Become warmer than the surrounding environment.
d)
Never change temperature.
21.

Insulator

a)

A material the energy does NOT transfer through easily

b)

A material that thermal energy travels through easily

c)

The measure of the kinetic energy of an object’s molecules

22.
What do we call the relationship between thermal energy, heat and work?
a)
Closed System
b)
Entropy
c)
Conductors
d)
Thermodynamics
23.
How does a refrigerator work?
a)
Moves heat from inside the fridge to the room
b)
Blows cold air into the fridge
c)
Uses convection cells
d)
It generates cold air
24.

When you place the metal in boiling water, heat flows from the _________ to the _______.

a)

metal to the boiling water

b)

bottom of the metal to the top half of the metal

c)

bottom of the water to the top of the water

d)

boiling water to the metal

25.

Convert 30°C into Kelvin.

a)

252K

b)

316°C

c)

303K

d)

-163°C

26.

Convert 589 Kelvin into °C.

a)

252K

b)

316°C

c)

303K

d)

-163°C

27.

Convert 45°F into °C.

a)

7.2°C

b)

32°C

c)

32°F

d)

212°F

28.

Convert 0°C into °F.

a)

7.2°C

b)

32°C

c)

32°F

d)

212°F

29.

Convert 20°C into °F.

a)

7.2°C

b)

32°C

c)

75.2°F

d)

°68

30.

Convert 45°F into °C.

a)

7.2°C

b)

32°C

c)

32°F

d)

212°F

31.
What does temperature measure?
a)
Heat of Molecules
b)
ºC
c)
Average Kinetic Energy of Molecules
d)
Thermal Energy
32.
Specific heat is....
a)
The measure of kinetic energy of an objects particles
b)
A measure of the energy needed to increase the average kinetic energy of the particles
c)
The heating caused by the motion of flluid due to temperature difference
d)
The transfer of energy by electromagnetic radiation
33.
What is the equation to measure change in Thermal Energy?
a)
Q=mc∆t
b)
Q=mc
c)
Q= ∆mct
d)
m=QC
34.
What is the symbol for Thermal Energy in the specific heat formula?
a)
Q
b)
t
c)
m
d)
C
35.
There are four cups of hot cocoa. The cup sizes are shown. The temperature of the cocoa in each cup is 25 degrees celsius. Which cup has the MOST thermal energy?
a)
Large cup (Trenta)
b)
Small cup (Tall)
c)
Medium cup (Venti)
d)
All three are the same temperature so they have the same thermal energy
36.
What unit do you use to measure Thermal Energy?
a)
J/Kg ºC
b)
Kg
c)
ºC
d)
J
37.
Copper, Stainless Steel, Carbon Steel, and Zinc were all heated using 10,000 JOULES of thermal energy.  What material would be have the LARGEST change in temperature?
a)
Copper
b)
Carbon Steel
c)
Zinc
d)
Stainless Steel
38.
A high specific heat means...
a)
It requires less energy to change temperature
b)
It requires more energy to change temperature
c)
It heats up very quickly
39.
When a  piece of aluminum foil is taken out of the oven and cools from 100° C to 50°C, What is the change in temperature?
a)
50°
b)
0°
c)
100°
d)
150°
40.
Copper, Stainless Steel, Carbon Steel, and Zinc were all heated using 10,000 JOULES of thermal energy.  Based on the chart, which material would be have the SMALLEST change in temperature?
a)
Copper
b)
Carbon Steel
c)
Zinc
d)
Stainless Steel
41.
There are 2 pans of water, one has 100 mL in it and one has 1000mL. You add 4000 joules of energy,  which one has the bigger change in temperature?
a)
100 mL
b)
1000 mL
c)
They the same material so they both heat to the same temperature
d)
They both will cool down.
42.
If I have 2 blocks of Aluminium (one of 1kg and one of 10 kg) and heat them up with 6,000 Joules of energy.
Which one will have the SMALLEST change in temperature?
a)
1 kg
b)
10 kg
c)
They both heat up  to the same temperature
d)
It depends on the temperature of the room
43.
lowest possible temperature on the Kelvin scale
a)
boiling point
b)
insulation
c)
absolute zero
d)
heat
44.
Which of the following would be the best insulator?
a)
air
b)
aluminum
c)
copper
d)
silver
45.

Everything has thermal energy

a)

False

b)

True

46.

Kinetic Energy is the energy of _________

a)

thermal

b)

movement

c)

potential

d)

atoms

47.

Thermal energy is the __________ _________ energy of moving particles

a)

total potential

b)

average potential

c)

average kinetic

d)

total kinetic

48.

Potential energy is the _________

a)

energy of movement

b)

same as kinetic energy

c)

stored energy inside of something

d)

potato

49.

For objects that have the SAME mass, which object will have a HIGHER thermal energy?

a)

the object with the higher temperature

b)

the object with the lower temperature

c)

the objects will have the same temperature

d)

the objects have no temperature

50.

Objects with MORE MASS have MORE thermal energy because

a)

there are more molecules with energy in bonds

b)

there are less atoms

c)

there is less kinetic energy in the system

d)

there is no potential energy at all

Similar Resources on Wayground

PJOK 2022 BAB 1-2

50 questions

PJOK 2022 BAB 1-2

quiz

Worksheet

•

8th Grade

Rymden och tid

45 questions

Rymden och tid

quiz

Worksheet

•

4th - 6th Grade

Static Electricity and Parts of a Circuit Review

48 questions

Static Electricity and Parts of a Circuit Review

quiz

Worksheet

•

8th Grade

Heat, Temperature, Thermal Energy & States of Matter

45 questions

Heat, Temperature, Thermal Energy & States of Matter

quiz

Worksheet

•

6th - 8th Grade

Speed, Velocity & Acceleration

48 questions

Speed, Velocity & Acceleration

quiz

Worksheet

•

8th - 11th Grade

STAAR Category 2: Force, Motion, and Energy

48 questions

STAAR Category 2: Force, Motion, and Energy

quiz

Worksheet

•

6th - 8th Grade

Force & Motion Review (And Other Stuff)

55 questions

Force & Motion Review (And Other Stuff)

quiz

Worksheet

•

6th - 8th Grade

Forces Review

50 questions

Forces Review

quiz

Worksheet

•

7th - 8th Grade