NEW
Font size
S
M
L
XL
WorksheetsEnergy Unit Review
Total questions: 28
Worksheet time: 17mins
Name
Class
Date
1.
Where does all energy start in relation to Earth?
a)
plants
b)
chlorophyl
c)
potential energy
d)
the sun
2.
Which is a better insulator?
a)
copper
b)
steel
c)
styrofoam
d)
gold
3.
Which explains the Law of Conservation of energy the best?
a)
energy can be created
b)
energy can be destroyed
c)
energy is never created
d)
energy can only stay in one form
4.
What forms of energy does the chemical energy of a firecracker turn into when lit?
a)
light, sound, thermal
b)
light, sound, chemical
c)
thermal, mechanical, chemical
d)
electrical, thermal, light
5.
As an object heats up, what happens to its particles?
a)
they slow down
b)
they speed up
c)
they get closer
d)
nothing, heat doesn't change particle behavior
6.
Which of the following are energy forms?
a)
thermal, chemical, fantastical
b)
chemical, thermal, electrical
c)
electrical, nuclear, plutonic
d)
nuclear, light, lightbulb
7.
What is convection?
a)
heat transfer through touch
b)
heat transfer through waves
c)
heat transfer through burning
d)
heat transfer through currents
8.
What is the energy of motion?
a)
radiant
b)
kinetic
c)
gravitational
d)
potential
9.
Any energy conversion will always result in what form of energy?
a)
potential
b)
sound
c)
radiant
d)
thermal
10.
Energy...
a)
is the ability to do work or cause a change
b)
is all the movement in the universe
c)
cannot be created or destroyed
d)
all of the above
11.
What type of energy is stored inside a battery?
a)
elastic potential energy
b)
gravitational potential energy
c)
chemical potential energy
d)
kinetic energy
12.
What energy transformation occurs in the flashlight above when it is on?
a)
heat-->magnetic-->light
b)
chemical-->magnetic-->light
c)
chemical-->electrical-->light
d)
mechanical-->electrical-->light
13.
When plants convert the sun's energy into food, which type of energy is it?
a)
kinetic
b)
chemical
c)
thermal
d)
radiant
14.
The type of energy that allows us to hear is
a)
Mechanical
b)
Sound
c)
Light
d)
Electric
15.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
16.
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
17.
Which type of energy can cross space (a vacuum)?
a)
Nuclear
b)
Thermal
c)
Radiant
d)
Convection
18.
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
19.
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
20.
how high or low a sound is
a)
Volume
(in relation to sound)
(in relation to sound)
b)
conductor
c)
Insulator
d)
pitch
21.
when light rays bounce off an object
a)
reflect
b)
refract
c)
Solar energy
d)
Mechanical energy
22.
when light rays bend
a)
reflect
b)
refract
c)
absorb
d)
Fossil fuels
23.
energy of motion
a)
Fossil fuels
b)
Mechanical energy
c)
Potential energy
d)
Kinetic energy
24.
"Energy can be transformed from one form into another or transformed from one region or another, but energy cannot be created or destroyed."
Which law is this?
Which law is this?
a)
Law of Conservation of Mass
b)
Newton's Second Law
c)
Law of Conservation of Energy
d)
Newton's Third Law
25.
The purpose of the panels is to change solar energy into ____________.
a)
light energy
b)
electrical energy
c)
chemical energy
d)
mechanical energy
26.
heat energy traveling through space is an example of _____
a)
convection
b)
density
c)
radiation
d)
conduction
27.
Ironing a shirt is an example of...
a)
condensation
b)
conduction
c)
convection
d)
radiation
28.
You're holding hands with your best friend. Your friend's hands are REALLY warm and yours are really cold. After a few minutes, this has changed. How might you explain what happened?
a)
The cold energy from your hand transferred to your friend's hand through conduction.
b)
The heat energy from your friend's hand transferred to your hand through conduction.
c)
The cold energy from your hand transferred to your friend's hand through convection.
d)
The heat energy from your friend's hand transferred to your hand through convection.
Reset
