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Energy Transfomations II

Total questions: 42

Worksheet time: 34mins

Name
Class
Date
1.
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
2.
What is the energy transformation?
a)
Kinetic to Mechanical to Electrical
b)
Mechanical to Electrical to Kinesthetic
c)
Electromagnetic to Chemical to Electrical
d)
Kinetic to Sound to Chemical
3.
What is the energy transformation?
a)
Electrical to Electromagnetic
b)
Mechanical to Electrical
c)
Electrical to Thermal
d)
Kinetic to Sound
4.
What is the energy transformation?
a)
Kinetic to Mechanical and Electrical
b)
Chemical to Thermal and Electromagnetic (light)
c)
Electromagnetic to Chemical and Electrical
d)
Kinetic to Sound and Chemical
5.
Speakers playing music
a)
sound energy to electrical energy
b)
electircal energy to sound energy
c)
potential energy to mechanical energy
d)
Radiant energy to chemical energy 
6.
A car uses gasoline to move forward
a)
nuclear to chemical energy
b)
mechanical to chemical energy
c)
chemical energy to kinetic energy
d)
kinetic to mechanical energy
7.
The rock on high on the cliff has lots of this kind of energy
a)
kinetic energy
b)
sound energy
c)
potential energy
d)
nuclear energy
8.
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
9.
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
10.

Which of the following best describes the energy transformations that occur when a flashlight that runs on batteries is turned on?

a)

chemical to mechanical to electrical to radiant

b)

radiant to electrical to sound

c)

chemical to radiant to mechanical to electrical

d)

electric to radiant to chemical

11.
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
12.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
13.
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
14.
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
15.
Which device transforms electrical energy into mechanical energy?
a)
Flashlight
b)
Pencil Sharpener
c)
Lamp
d)
TV
16.
The Theory of the Conservation of Energy states -
a)
Energy can be created, just not destroyed. It changes its form from one type to another.
b)
Energy can never be created nor destroyed. It can only change its form from one type to another.
c)
The total energy in our Universe changes, as different forms of energies can be transformed from each other under certain circumstances.
d)
Energy transformations do not passively occur in our lives, rather we actively make use of energies and transform energies.
17.
Which items would have this energy transformation: chemical energy -> mechanical and thermal energy?
a)
digesting an apple
b)
turning on a flashlight
c)
iron for your clothes
d)
a person running
18.
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
19.
what type of energy is stored in a battery?
a)
electrical
b)
chemical
c)
thermal
d)
mechanical
20.
Solar Energy is transferred to _____ Energy.
a)
Mechanical
b)
Solar
c)
Sound
d)
Electrical
21.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
22.
What energy is given off when a cell phone rings?
a)
Sound Energy
b)
Gravitational Energy
c)
Thermal Energy
d)
Nuclear Energy
23.
Can you destroy energy?
a)
Yes
b)
No
24.
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
25.

What are the energy transformations that occur when a person rides a bike to the top of a hill?

a)

mechanical, thermal,

b)

chemical, mechanical, thermal, electrical

c)

chemical, mechanical, thermal, electrical, radiant

d)

chemical, mechanical, thermal

26.

List the energy transformations of this object.

a)

Electrical → Mechanical/ Radiant Energy

b)

Electrical → Mechanical / Sound / Thermal Energy

c)

Mechanical → Chemical / Thermal energy

d)

Mechanical→ Electrical energy

27.

What energy transformations occur when a human eats a Big Mac?

a)

Convection

b)

Thermal Energy

c)

Kinetic Energy

d)

Chemical Energy

28.

After the person eating, he went on a run. What's the energy transformation that's happening?

a)

mechanical→ thermal energy

b)

Chemical→ Mechanical energy

c)

radiation→ chemical

d)

chemical→ radiation energy

29.
The purpose of the panels is to change solar energy into ____________.
a)
light energy
b)
electrical energy
c)
chemical energy
d)
mechanical energy
30.
What is produced during ALL energy transformations?
a)
Sound Energy
b)
Mechanical Energy
c)
Thermal Energy
d)
Chemical Energy
31.
Can you create energy?
a)
Yes
b)
No
32.

Which object shows an energy transformation from electrical to mechanical?

a)
b)
c)
d)
33.

When is the roller coaster increasing its kinetic energy?

a)

When it goes down the first hill

b)

when it goes up the first incline

34.

What type of energy in a bicycle?

a)

mechanical

b)

chemical

c)

electrical

35.

Identify the type of energy

a)

Thermal energy

b)

Sound energy

c)

Mechanical energy

d)

Electrical energy

36.

Identify the type of energy

a)

Electrical Energy

b)

Mechanical energy

c)

Sound energy

d)

Thermal energy

37.
Animals obtain their energy from ....... 
a)
Food
b)
Sun
c)
Air
d)
Uranium
38.
A tree converts _____ energy from the sun to _____ energy.
a)
Nuclear → Electrical
b)
Gravitational → Thermal
c)
Chemical → Motion
d)
Radiant → Chemical
39.
Which of the following is the best energy transformation for a vacuum?
a)
Mechanical ---> Light
b)
Electrical ---> Mechanical
c)
Chemical ---> Sound
d)
Thermal ---> Mechanical
40.
Which of the following best describes the energy transformation by a solar panel?
a)
Thermal ---> Chemical
b)
Solar ---> Sound
c)
Solar ---> Electrical
d)
Light ---> Nuclear
41.

Which of the following energy transformations takes place as a battery-operated toy lights up and starts moving?

a)

Elastic Potential Energy to Kinetic Energy

b)

Electrical Energy to Chemical Energy

c)

Chemical Energy to Kinetic Energy

d)

None of these

42.

Choose the best energy transformation for Dre' Beats (headphones)...

a)

electrical energy to mechanical energy (plus heat)

b)

electrical energy to sound energy (plus heat)

c)

kinetic energy to sound energy (plus heat)

d)

mechanical energy to sound energy (plus heat)