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Energy Transformations - Revision

Total questions: 87

Worksheet time: 1hrs 5mins

Name
Class
Date
1.

In this image, when the toast pops up, Electrical Energy is transformed to _____ Energy.

a)

Solar

b)

Mechanical

c)

Chemical

d)

Electrical

2.

In this image, Solar Energy is transformed to _____ Energy.

a)

Mechanical

b)

Solar

c)

Sound

d)

Electrical

3.

When the light changes, Potential Energy is transformed to _____ Energy.

a)

Potential

b)

Mechanical

c)

Thermal

d)

Kinetic

4.

Electrical Energy is transformed to _____ Energy.

a)

Mechanical

b)

Solar

c)

Electrical

d)

Thermal

5.

Mechanical Energy is transformed to _____ Energy.

a)

Solar

b)

Mechanical

c)

Electrical

d)

Potential

6.

Chemical Energy is transformed to _____ Energy.

a)

Thermal

b)

Solar

c)

Mechanical

d)

Chemical

7.

The Electrical Energy of the stove is transformed to _____ Energy.

a)

Solar

b)

Thermal

c)

Potential

d)

Electrical

8.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
9.
What is energy changing from one form to another?
a)
energy conservation
b)
energy transformation
c)
energy creation
d)
mechanical energy
10.

Which energy conversion is taking place when gasoline is being burned by the engine of a car?

a)

thermal -> electrical

b)

mechanical -> electrical

c)

chemical -> mechanical

d)

mechanical -> electromagnetic

11.
what type of energy is stored in a battery?
a)
electrical
b)
chemical
c)
thermal
d)
mechanical
12.

The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —

a)

solar

b)

light

c)

thermal

d)

mechanical

13.
Energy you get from eating an apple
a)
nuclear energy
b)
electromagnetic energy
c)
sound energy
d)
chemical energy
14.

What energy is given off when a mobile phone rings?

a)

Sound Energy

b)

Gravitational Energy

c)

Thermal Energy

d)

Nuclear Energy

15.
Making a Fruit Smoothie is YUMMY!
Plug a Blender into the wall outlet, and you're ready to go. 
Which choice below BEST shows the energy transformation of making a smoothie?
a)
Electrical to Kinetic
b)
Electrical to Chemical
c)
Mechanical to Sound
d)
Kinetic to Thermal
16.
Which type of energy transformation occurs when a flashlight shines?
a)
chemical → thermal → electrical
b)
chemical → electrical → light
c)
thermal → chemical → light
d)
chemical → electrical → chemical
17.
The roller coaster cart has the most gravitational potential energy at position-
a)
W
b)
X
c)
Y
d)
Z
18.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
19.
A swing has potential energy if _____________.
a)
it is in motion
b)
it is swinging backward
c)
it is sitting still
d)
it is spinning
20.
Where does most of the energy go in this transformation.
a)
Electrical energy
b)
Light
c)
Heat
d)
other
21.
Where does most of the energy go for this transformation.
a)
heat
b)
electrical
c)
light
d)
joules
22.

What is this diagram called?

a)

Stankey Diagram

b)

Sankey Diagram

c)

Sankay Diagram

d)

Samkay Diagram

23.

Identify the energy transformation:

a)

electrical to chemical to light

b)

kinetic to potential

c)

chemical to electrical to light

d)

light to sound

24.

What type of energy can be sensed by human eyes?

a)

sound

b)

thermal

c)

electrical

d)

light

25.

What word or words describes kinetic energy?

a)

Energy of position

b)

stored energy

c)

movement

d)

not moving

26.

Fire is an example of what two energies?

a)

Electrical and Sound

b)

Mechanical and Sound

c)

Light and Thermal

d)

Chemical and Elastical

27.

The useful energy given out by a hairdryer includes:

a)

Heat & Sound

b)

Sound & Kinetic

c)

Sound & Gravitational

d)

Heat & Kinetic

28.

What might a title be for this Sankey?

a)

Electrical energy

b)

Efficient camping torch

c)

25 Joules of heat

d)

Sankey for a good heater.

29.
Which of the following is NOT a form of energy?
a)
movement
b)
body mass
c)
heat
d)
food
30.

Heat energy is also called ______ energy.

a)

chemical

b)

electrical

c)

mechanical

d)

thermal

31.
What units are used to measure energy?
a)
Watts
b)
Newtons
c)
Joules
d)
kilowatts
32.

A kettle uses 100 J of electrical energy to produce 7 J of sound energy and 93 J of thermal energy. How efficient is the kettle?

a)

100%

b)

7%

c)

93%

d)

95%

33.
What type of device might this Sankey be about?
a)
A very efficient LED light bulb
b)
A very inefficient incandescent light bulb
c)
A coal power plant
d)
A wind turbine
34.

The Sankey Diagram represents the energy transfer in a desk lamp. From the diagram, calculate how many Joules of energy are released as light energy.

a)

100 J

b)

75 J

c)

125 J

d)

0 J

35.

In this Sankey diagram, not all electrical energy is output as useful light energy. Some of the energy is waste energy. Use the information on the diagram to calculate much energy is wasted.

a)

25 J

b)

10 J

c)

125 J

d)

75 J

36.

This is a Sankey Diagram of a typical energy-saving lamp. Calculate the % efficiency of the lamp.
 Efficiency = Energy output Energy input × 100%Efficiency\ =\ \frac{\text{Energy output }}{\text{Energy input}}\ \times\ 100\%  

a)

75 %

b)

25 %

c)

125 %

d)

50%

37.
Assume there are 10 pieces of energy.  Which is a close approximation to the number of pieces that transform into kinetic energy?
a)
1
b)
3
c)
6
d)
10
38.

What is energy?

a)

moving energy

b)

stored energy

c)

renewable energy

d)

The ability to do work.

39.

What is kinetic energy?

a)

moving energy

b)

potential energy

c)

stored energy

d)

renewable energy

40.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
41.
Stored energy is called ______ energy.
a)
Kinetic
b)
Potential
c)
Pacific
d)
Safe
42.
What is energy transformation?
a)
a change of energy from one form to another
b)
when energy gets more energy added to it
c)
when energy gets destroyed
d)
a change in intensity
43.

What type of energy does a stationary bike have?

a)

Potential

b)

Kinetic

c)

Heat

44.

Which type of energy is used when you're running?

a)

potential

b)

kinetic

45.
Which type of energy increases when you compress a spring?
a)
elastic potential energy
b)
kinetic energy
c)
radiant energy
d)
sound energy
46.

Energy stored because of gravity is called:

a)

Gravitational Potential Energy

b)

Kinetic Energy

c)

Mechanical Advantage

d)

Chemical Energy

47.

At which point does the ball has the greatest gravitational potential energy (GPE)?

a)

A

b)

G

c)

D

d)

C

e)

G

48.

How could you increase the gravitational potential energy of an object without changing its mass and gravity?

a)

Make the object larger

b)

Lower the object towards the ground

c)

Raise the object farther off the ground

d)

Allow the object to roll on the ground

49.

Which picture is NOT an example of Chemical PE?

a)
b)
c)
d)
50.
Wood, batteries, gasoline, and  food are all examples of ________________________.
a)
gravitational potential energy
b)
elastic potential energy
c)
chemical potential energy
d)
None of the above
51.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
52.
Gravitational potential energy depends on the ________ and ________ of the object. 
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction 
53.
When you stretch a rubber band, you are storing __________ energy. 
a)
kinetic 
b)
potential
c)
none of the above
d)
all of the above 
54.
Can energy be changed?
a)
yes
b)
no
55.
Can energy be destroyed?
a)
no
b)
yes
56.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
57.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
58.

When does an object have NO kinetic energy?

a)

When it's at rest.

b)

When it's moving very slowly.

c)

When it has no electrical charge.

59.

Select all of the objects that have kinetic energy. (You may click more than one object!)

a)
b)
c)
d)
60.

Which of the following is NOT an example of potential energy?

a)

A. Gravitational pull

b)

B. Nuclear energy

c)

C. Chemical bonds

d)

D. Electricity

61.
Is this activity as an example of potential or kinetic energy Choose “PE” or “KE”:
The energy that exists before baking soda and vinegar combine to create carbon dioxide gas.
a)
PE
b)
KE
62.
Is this activity as an example of potential or kinetic energy Choose “PE” or “KE”:
A child on his way down a playground slide.
a)
PE
b)
KE
63.
Is this activity as an example of potential or kinetic energy Choose “PE” or “KE”:
Ocean waves
a)
PE
b)
KE
64.
Is this activity as an example of potential or kinetic energy Choose “PE” or “KE”:
A stunt driver at the top of a ramp.
a)
PE
b)
KE
65.
Is this activity as an example of potential or kinetic energy Choose “PE” or “KE”:
The flexed string of an archer’s bow.
a)
PE
b)
KE
66.
Is this activity as an example of potential or kinetic energy Choose “PE” or “KE”:
A glowing neon sign.
a)
PE
b)
KE
67.
Potential energy is what type of energy?
a)
energy that is stored
b)
energy that is being used
c)
matter rubbing against matter
d)
the measure of motion
68.

What kind of energy does this device use?

a)

Chemical

b)

Electrical

c)

Thermal

d)

Mechanical

69.

Which example best relates to chemical energy?

a)

A lamp plugged into an electrical outlet.

b)

Gasoline burning in a car's engine causing the car to move.

70.
what type of energy is stored in a battery?
a)
electrical
b)
chemical
c)
thermal
d)
mechanical
71.

Which of following are types of kinetic energy? Check all that apply.

a)

sound energy

b)

light energy

c)

thermal energy

d)

mechanical energy

e)

potential

72.

We receive ________ and heat energy from the Sun.

a)

sound

b)

mechanical

c)

light

d)

kinetic

73.

Vibrations produce _______ energy.

a)

chemical

b)

sound

c)

potential

d)

light

74.

Which of the following is an example of kinetic energy?

a)

A rock at the top of a hill.

b)

Water falling down a waterfall.

c)

A pencil sitting on a desk.

d)

A backpack on the ground.

75.

______ energy is the energy of moving particles of matter.

a)

Light

b)

Thermal

c)

Potential

d)

Chemical

76.

The glow sticks produce light for a short amount of time.

The light from the glow stick is a conversion from what to what type of energy?

a)

thermal to light

b)

gravitational to potential

c)

radiant to electrical

d)

chemical to light

77.
Wind turbines and windmills convert what energy to another?
a)
Kinetic to electric
b)
Gravitational potential to electric
c)
Mechanical to potential
d)
Thermal to sound
78.

Energy that is stored in bonds between atoms is:

a)

Mechanical energy

b)

Chemical energy

c)

Kinetic energy

d)

Nuclear energy

79.
Energy that comes from the nucleus of an atom. A form of potential energy.
a)
chemical energy
b)
Nuclear energy
c)
Sound energy
d)
Electrical energy
80.

What is an example of Electric Energy

a)

Apple

b)

Rubber Bands

c)

Car Battery

d)

Table

81.

Which statement is true?

a)

Oranges contain Elastic Energy

b)

Food contains Chemical Energy

c)

Phone on the table doesn't contain Gravitational Energy

d)

Radiator contains Nuclear Energy

82.

What is the definition of Elastic Energy?

a)

Energy stored in the nucleus of the atoms hold the nucleus together

b)

Energy stored in an object by the application of force

c)

Movement of objects or substances from one place to another

d)

The energy an object or substance has because of its position up high

83.
What kind of energy do scissors use?
a)
Thermal
b)
Electrical
c)
Mechanical
d)
Solar
84.

What are the two main groupings of energy?

a)

Electric and Chemical

b)

Potential and Kinetic

c)

Kinetic and Mechnical

d)

Gravitational and Thermal

85.

Choose all the forms of Kinetic energy from the list below

a)

Electric

b)

Sound

c)

Light

d)

Chemical

e)

Heat

86.

Choose all the forms of Potential Energy from the list below:

a)

Chemical

b)

Electrical

c)

Gravitational

d)

Elastic

e)

Sound

87.

What is the best explanation for when energy is TRANSFERRED?

a)

The conversion of energy from one type to another

b)

The capacity to do work

c)

The movement of energy from one object to another

d)

Energy stored in an object due to its height above the ground

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