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WorksheetsEnergy Transformations
Total questions: 36
Worksheet time: 27mins
Name
Class
Date
1.
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
2.
What best describes the energy conversion that occurs when you turn on a hair dryer?
a)
chemical to thermal to light and sound
b)
electrical to kinetic to thermal and sound
c)
nuclear to electrical to thermal and sound
d)
kinetic to light to thermal and sound
3.
Which of the following converts chemical energy to kinetic energy to electrical energy?
a)
a wood stove
b)
a blender
c)
an electric motor
d)
a generator
4.
Solar energy is a form of what kind of energy?
a)
chemical energy
b)
mechanical energy
c)
electromagnetic energy
d)
thermal energy
5.
An electric motor converts electrical energy into -
a)
kinetic energy
b)
light energy
c)
chemical energy
d)
thermal energy
6.
What best describes the energy conversion that takes place in a microwave oven?
a)
electrical to thermal to sound
b)
chemical to thermal to light
c)
electrical to light to thermal
d)
nuclear to thermal to chemical
7.
Which example is NOT a fossil fuel?
a)
petroleum
b)
natural gas
c)
coal
d)
water
8.
An old lady uses a fan to cool off on a hot day. What type of energy conversion is occurring with the fan?
a)
electrical to mechanical
b)
heat to light
c)
electrical to light
d)
chemical to mechanical
9.
Energy is the ability to do -
a)
nothing
b)
power
c)
work
d)
energy
10.
All of the following are examples of transverse waves EXCEPT -
a)
microwaves
b)
sound waves
c)
visible light
d)
x-rays
11.
What types of energy are involved with plugging in & turning on a toaster?
a)
nuclear, thermal, hydroelectric
b)
nuclear, mechanical, electrical
c)
thermal, mechanical, electrical
d)
chemical, electrical, mechanical
12.
The waving hand of the man in the car is demonstrating what type of energy?
a)
thermal
b)
chemical
c)
mechanical
d)
radiant
13.
The headlights on the car have this type of energy.
a)
thermal
b)
chemical
c)
mechanical
d)
radiant
14.
The gasoline in the car has what kind of stored potential energy?
a)
thermal
b)
chemical
c)
mechanical
d)
radiant
15.
The exhaust coming from the exhaust pipe is what kind of energy?
a)
thermal
b)
chemical
c)
mechanical
d)
radiant
16.
A burning candle is in the process of transforming -
a)
chemical energy into nuclear energy
b)
chemical energy into mechanical energy
c)
heat energy into chemical energy
d)
chemical energy into light and heat
17.
A kitchen mixer converts electric energy into kinetic energy. What type of energy is lost to the environment in all transformations?
a)
thermal
b)
electrical
c)
nuclear
d)
radiant
18.
Which type of energy is produced by splitting of an atom?
a)
nuclear
b)
none
c)
chemical
d)
solar
19.
Energy that is produced by the internal motion of atoms is called -
a)
heat energy
b)
light energy
c)
high energy
d)
chemical energy
20.
What type of energy is inside the battery?
a)
electrical
b)
mechanical
c)
heat
d)
chemical
21.
Identify all forms of energy transfer in the diagram.
a)
electrical to mechanical to thermal to sound
b)
electrical to mechanical to sound
c)
electrical to chemical to sound
d)
electrical to mechanical to sound
22.
What type of energy does a roller coaster have when traveling downward?
a)
kinetic
b)
chemical
c)
electrical
d)
potential
23.
Which energy resource converts potential energy of falling water to kinetic energy to electrical energy while producing no air pollution?
a)
nuclear
b)
fossil fuels
c)
hydroelectric
d)
biomass
24.
Which example is NOT a source of chemical energy?
a)
food
b)
blender
c)
fuel
d)
betteries
25.
All of the following are examples of mechanical waves EXCEPT -
a)
light waves
b)
seismic waves
c)
sound waves
d)
water waves
26.
What is the best example of a device that converts electrical energy to light and sound
a)
a toaster
b)
a clock radio
c)
a flashlight
d)
an electric toothbrush
27.
What type of energy does this roller coaster car have at this moment?
a)
potential
b)
chemical
c)
kinetic
d)
nuclear
28.
What is the best example of a device that converts electrical energy to thermal energy
a)
a toaster
b)
a clock radio
c)
a flashlight
d)
an electric toothbrush
29.
What two forms of energy are shown in this burning candle?
a)
potential and heat
b)
mechanical and electrical
c)
nuclear and light
d)
heat and light
30.
What energy transfer is shown in this picture?
a)
chemical to electrical to light
b)
electrical to mechanical to chemical
c)
mechanical to chemical to electrical
d)
mechanical to light to chemical
31.
What best describes the energy conversion that occurs when you turn on a flashlight?
a)
electrical to thermal to light
b)
chemical to electrical to light
c)
nuclear to electrical to thermal
d)
kinetic to light to thermal
32.
Water flowing over a waterwheel causes the waterwheel to move. this is an example of -
a)
mechanical energy
b)
chemical energy
c)
electrical energy
d)
thermal energy
33.
Which of the following are NOT examples of kinetic energy?
a)
roller coaster at the top of the first hill
b)
roller coaster speeding down the first hill
c)
Ball flying through the air on its way to a catcher
d)
pistons moving up and down in an engine
34.
Which is NOT an example of chemical energy?
a)
a lump of coal
b)
an apple
c)
a battery
d)
a bolt of lightening
35.
Which of the following is NOT an example of kinetic energy?
a)
A rock sitting on a ledge
b)
Ball flying through the air on its way to a catcher
c)
roller coaster speeding down the first hill
d)
rocket shooting up through the air
36.
Heat always moves from
a)
hot to cold
b)
cold to hot
c)
warm to hot
d)
hot to hot
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