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Energy Transformation

Total questions: 84

Worksheet time: 1hrs 9mins

Name
Class
Date
1.
Energy that is caused by vibrations in the air. A form of kinetic energy.
a)
Light energy
b)
Electrical energy
c)
Nuclear energy
d)
Sound energy
2.

Radiant energy mean _____.

a)

Light Energy

b)

Sound Energy

c)

Kinetic Energy

d)

Chemical Energy

3.
Food is a form of this type of energy.
a)
Light energy
b)
Chemical energy
c)
Sound energy
d)
Thermal energy
4.
A device that converts electrical energy to light energy.
a)
A blender
b)
A light bulb
c)
A bycycle
d)
A balloon
5.
Turning on the radio is what type of energy conversion?
a)
sound to light
b)
electrical to sound
c)
electrical to light
d)
light to electrical
6.
Describe the energy conversion of a clothes dryer. 
a)
Chemical→ Thermal and Radiant
b)
Electrical → Elastic, Thermal and Sound 
c)
Gravitational → Nuclear, Sound and Thermal 
d)
Electrical → Thermal, Motion and Sound 
7.
A device that converts electrical energy and into thermal energy.
a)
A Battery
b)
A Hair Dryer
c)
A Bicycle
d)
Your Stomach
8.
4. A group of campers create a campfire by burning several wooden logs.  Which statement best describes the energy transformations that occur when the logs burn?
a)
Chemical energy from the wood is converted into light and heat energy.
b)
Heat energy from the logs is converted into chemical and light energy.
c)
Chemical energy from the air is converted into mechanical and light energy.
d)
Heat energy from the air is converted into mechanical and light energy.  
9.
When a pendulum swings, at which point is potential energy at its greatest?
a)
2
b)
3
c)
4
d)
5
10.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
11.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
12.
When plants convert the sun's energy into food, which type of energy is it?
a)
kinetic
b)
chemical
c)
thermal
d)
radiant
13.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
14.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
15.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
16.
A battery converts what type of energy to another?
a)
sound to kinetic
b)
light to heat
c)
mechanical to electrical
d)
chemical to electrical
17.
The glow sticks produce light for a short amount of time. The light from the glow stick is a conversion from what to what?
a)
thermal to light
b)
gravitational to potential
c)
radiant to electrical
d)
chemical to light
18.
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
19.
What machine changes electrical energy into light and sound energy?
a)
battery
b)
lightbulb
c)
alarm clock
d)
apple
20.
On a roller coaster, where is maximum potential energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
21.
On a roller coaster, where is maximum kinetic energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
22.
Energy caused by the movement in the particles of matter. It is a form of kinetic energy.
a)
Nuclear energy
b)
Sound energy
c)
Light energy
d)
Thermal energy
23.
According to which law of energy, energy can't be created or destroyed?
a)
First law of motion
b)
The law of tacos
c)
Laws of Energy
d)
law of conservation of energy
24.
The purpose of the panels is to change solar energy into ____________.
a)
light energy
b)
electrical energy
c)
chemical energy
d)
mechanical energy
25.
What machine changes chemical energy into heat, light and sound energy
a)
blender
b)
firecracker
c)
lightbulb
d)
apple
26.
Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?
a)
Chemical to light
b)
Electrical to chemical
c)
Electrical to light
d)
Chemical to electrical
27.
Which of the following shows an energy transformation from chemical energy to electrical to light energy?
a)
A bolt of lightning lights the night sky.
b)
A candle glows brightly in the dark.
c)
A fire in a fireplace lights up a room.
d)
A battery causes a flashlight to shine.
28.
What energy transformations take place when a battery-operated radio is in use?
a)
Electrical to chemical to light
b)
Sound to chemical to mechanical
c)
Chemical to electrical to sound
d)
Light to electrical to thermal
29.
People get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?
a)
mechanical to thermal to electrical
b)
chemical to mechanical to thermal
c)
mechanical to chemical to sound
d)
chemical to sound to electrical
30.
Which of the following devices transforms electrical energy into mechanical energy?
a)
An e-reader
b)
a fan
c)
a manual pencil sharpener
d)
ipod
31.
A television works by transforming electrical energy into what other kinds of energy?
a)
Light, thermal, and sound
b)
Thermal, chemical, and solar
c)
Sound, mechanical, and electrical
d)
Light, chemical, and mechanical
32.
Which of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?
a)
chemical to thermal
b)
light to chemical
c)
thermal to light
d)
chemical to electrical
33.
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
34.
Which energy conversion is taking place when you put gasoline in a car?
a)
thermal -> electrical
b)
mechanical -> electrical
c)
chemical -> mechanical
d)
mechanical -> electromagnetic
35.
Energy transformations occur when...
a)
energy is created through conduction
b)
energy changes from one form to another
c)
two forces slide together that are touching
d)
a chemical reaction takes place
36.
What is the best example of a machine that converts electrical energy into kinetic energy and sound energy?
a)
an electric toothbrush
b)
a toaster
c)
a flashlight
d)
an iron
37.
What best describes the energy conversion that occurs when you turn on a hair dryer?
a)
electric to kinetic to thermal and sound
b)
chemical to thermal to light and sound
c)
nuclear to electrical to thermal and sound
d)
kinetic to light to thermal and sound
38.
What best describes the energy conversion that takes place in a microwave oven?
a)
electrical to light to thermal
b)
chemical to thermal to light
c)
electrical to thermal to sound
d)
nuclear to thermal to chemical
39.
Turning on a lamp is an example of energy transformation from electrical to 3 forms of energy. Which of these is NOT created by the lamp?
a)
radiant
b)
light
c)
heat
d)
chemical
40.
Which of the following energy transfers occurs when food is digested?
a)
chemical to mechanical
b)
radiant to nuclear
c)
mechanical to potential
d)
thermal to chemical
41.
In energy transformations, "wasted energy" usually takes what form?
a)
heat
b)
chemical energy
c)
light
d)
sound waves
42.
During most energy transformations and transfers, wasted energy takes the form of __.
a)
electromagnetic radiation
b)
sound waves
c)
random mechanical movements
d)
heat
43.
What two forms of energy are given off by a burning candle?
a)
heat and light
b)
mechanical and electrical
c)
nuclear and light
d)
potential and heat
44.
What is the best example of a device that converts electrical energy to light and sound?
a)
a clock radio
b)
a toaster
c)
a flashlight
d)
an electric toothbrush
45.
Which of the following radiant energy to electrical energy?
a)
solar calculator
b)
windmill
c)
glow stick
d)
firecracker
46.
Which of the following mechanical energy to electrical energy?
a)
solar calculator
b)
windmill
c)
glow stick
d)
firecracker
47.
Which of the following chemical energy to radiant energy?
a)
solar calculator
b)
windmill
c)
glow stick
d)
firecracker
48.
Which of the following chemical energy to sound and radiant energy?
a)
solar calculator
b)
windmill
c)
glow stick
d)
firecracker
49.
Which of the following converts chemical energy to radiant energy?
a)
candle
b)
light bulb
c)
coal power plant
d)
nuclear power plant
50.
Which of the following converts electrical energy to radiant energy?
a)
candle
b)
light bulb
c)
coal power plant
d)
nuclear power plant
51.
Which of the following converts chemical energy to electrical energy?
a)
candle
b)
light bulb
c)
coal power plant
d)
nuclear power plant
52.
Which of the following converts chemical energy to electrical energy?
a)
Battery
b)
Person eating food
c)
Automobile
d)
Camp Fire
53.
Which of the following converts chemical energy to thermal energy?
a)
Battery
b)
Person riding a bike
c)
Automobile
d)
Camp Fire
54.

What type of energy transformation occurs, when a hawk eats a mouse and then uses the energy from the mouse to fly?

a)

mechanical energy to chemical energy

b)

thermal energy to mechanical energy

c)

chemical energy to mechanical energy

d)

mechanical energy to thermal energy

55.

What is the energy transformation that occurs in an electric pencil sharpener?

a)

mechanical energy to electrical energy

b)

electrical energy to mechanical energy

c)

radiant energy to sound energy

d)

chemical energy to mechanical energy

56.

Which object shows an energy transformation from electrical to mechanical?

a)
b)
c)
d)
57.

What type of energy transformation occurs in an electric hot that is turned on?

a)

thermal energy to electrical energy

b)

electrical energy to thermal energy

c)

thermal energy to mechanical energy

d)

mechanical energy to thermal energy

58.
Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?
a)
Chemical to light
b)
Electrical to chemical
c)
Electrical to light
d)
Chemical to electrical
59.

What type of energy transformation occurs in an electric fan?

a)

electrical energy to mechanical energy

b)

radiant energy to mechanical energy

c)

chemical energy to radiant energy

d)

electrical energy to nuclear energy

60.
Which items would have this energy transformation: electrical energy -> thermal energy and light energy?
a)
toaster
b)
candle burning
c)
windmill turning
d)
Iron for your clothes
61.
Which items would have this energy transformation: chemical energy -> thermal and light energy?
a)
tanning bed
b)
candle burning
c)
windmill turning
d)
solar calcultor
62.
Which items would have this energy transformation: kinetic energy -> sound energy?
a)
turning on a flashlight
b)
nuclear power plant
c)
windmill turning
d)
playing a violin
63.
Which items would have this energy transformation: chemical energy -> electrical, light and thermal energy?
a)
turning on a flashlight
b)
nuclear power plant
c)
digesting an apple
d)
tanning bed
64.
Which items would have this energy transformation: mechanical energy -> electrical energy?
a)
turning on a flashlight
b)
nuclear power plant
c)
windmill turning
d)
tanning bed
65.
Which items would have this energy transformation: electrical energy -> thermal and light energy?
a)
turning on a flashlight
b)
nuclear power plant
c)
solar calculator
d)
tanning bed
66.
Which items would have this energy transformation: light energy -> chemical energy?
a)
tree growing fruit
b)
person running
c)
solar calculator
d)
windmill turning
67.
Which items would have this energy transformation: electrical energy -> thermal energy?
a)
turning on a flashlight
b)
person running
c)
iron for your clothes
d)
candle burning
68.
Which items would have this energy transformation: light energy -> electrical energy?
a)
solar calculator
b)
turning on a flashlight
c)
candle burning
d)
a toaster
69.

Energy in motion is ____________ energy.

a)

Potential

b)

Energy

c)

Kinetic

d)

Friction

70.

The faster an object moves, the ________ kinetic energy it has.

a)

more

b)

less

71.

__________ energy is stored energy.

a)

Potential

b)

Kinetic

c)

Force

d)

Gravity

72.

When you stretch a rubber band, you are storing __________ energy.

a)

kinetic

b)

potential

73.

At which point is potential energy greatest?

a)

W

b)

X

c)

Y

d)

Z

74.

What kind of energy is in a moving skateboard?

a)

Potential

b)

Kinetic

75.

What energy does a rock at the edge of a cliff have?

a)

Potential

b)

Kinetic

76.

Which is the best example of an object having kinetic energy?

a)

a car parked on a steep hill

b)

a tennis ball rolling across the court

c)

a picture hanging on the wall

d)

a piece of coal before it's burned

77.

When a pendulum swings, at which point is kinetic energy greatest?

a)

1

b)

2

c)

3

d)

4

78.

What is happening to the potential energy between position 1 to 3?

a)

Decreasing

b)

Increasing

c)

Stays the same

79.

The Lay of Conservation of Energy states that energy cannot be ________ or ________, but it can change from one form to another.

a)

created, destroyed

b)

gravity, force

c)

heat, created

80.

Which of the following is an example of kinetic energy decreasing as the gravitational potential energy increases?

a)

a person parachuting out of a plane

b)

a car racing around an oval track

c)

a person skiing down a hill

d)

a person walking up a hill

81.

Which is an example of potential energy?

a)

a roller coaster speeding down a hill

b)

the pulled back string on an archers's bow

c)

releasing the strings on a guitar

d)

an electric current lighting a light bulb

82.

At which point is the kinetic energy the greatest?

a)

W

b)

X

c)

Y

d)

Z

83.

What position has the least amount of potential energy?

a)

W

b)

X

c)

Y

d)

Z

84.

In order to INCREASE the potential energy of an object, you need to:

a)

put the object lower to the ground

b)

raise the object higher

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