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WorksheetsEnergy Unit Review
Total questions: 120
Worksheet time: 2hrs 37mins
Name
Class
Date
1.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
2.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
3.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
4.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
5.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
6.
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
7.
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
8.
What machine changes electrical energy into light and sound energy?
a)
battery
b)
lightbulb
c)
alarm clock
d)
apple
9.
Energy that is stored in bonds between atoms is:
a)
Mechanical energy
b)
Chemical energy
c)
Kinetic energy
d)
Nuclear energy
10.
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
11.
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
12.
The purpose of the panels is to change solar energy into ____________.
a)
light energy
b)
electrical energy
c)
chemical energy
d)
mechanical energy
13.
What machine changes chemical energy into heat, light and sound energy
a)
blender
b)
firecracker
c)
lightbulb
d)
apple
14.
What type of heat transfer? IN THE WATER
a)
Conduction
b)
Convection
c)
Radiation
15.
Why does warm air rise?
a)
Warm air is less dense than cold air
b)
Warm air is more dense than cold air
16.
What type of heat transfer is a metal pan sitting on a hot stovetop?
a)
conduction
b)
convection
c)
radiation
17.
Heat from the Sun travels to earth through which type of transfer?
a)
conduction
b)
convection
c)
radiation
18.
Which of these is an ADVANTAGE of using solar power, wind turbines etc?
a)
They don't pollute the air
b)
We will run out of them
c)
They aren't as efficient as fossil fuels
19.
What type of heat transfer is a metal spoon heating up in a bowl of hot soup?
a)
conduction
b)
convection
c)
radiation
20.
Which is radiation?
a)
A
b)
B
c)
C
21.
Which energy transformation happens when a candle burns?
a)
Light to chemical
b)
Chemical to light and heat
c)
Mechanical to sound
d)
Kinetic to chemical
22.
Heat transfer by direct contact and the vibration of atoms.
a)
conduction
b)
convection
c)
radiation
23.
Where is there the most potential energy?
a)
W
b)
X
c)
Y
d)
Z
24.
Energy can't be....
a)
changed
b)
fun
c)
created or destroyed
25.
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
26.
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
27.
What form of energy is being used when a person hits a tennis ball with a tennis racket?
a)
thermal energy
b)
sound energy
c)
light energy
d)
mechanical energy
28.
What type of energy increases as molecules move faster?
a)
mechanical energy
b)
electrical energy
c)
thermal energy
d)
sound energy
29.
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
30.
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.
31.
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
32.
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
33.
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
34.
What characteristic do all renewable resources share?
a)
Produced by waste products
b)
Form underground from dead organisms.
c)
Replaced in a short period of time
d)
Allow energy to pass through them easily
35.
Which of the following is a fossil fuel?
a)
Wind
b)
Coal
c)
Solar
d)
Biomass
36.
Hydroelectric power produces electricity using.....
a)
Wind
b)
Sunlight
c)
Moving water
d)
Dung
37.
Energy from the sun is known as.........
a)
hydroelectric energy
b)
geothermal energy
c)
solar energy
d)
wind energy
38.
Water is renewable because it.......
a)
can be frozen
b)
important to all life
c)
can be replaced constantly
d)
can evaporate
39.
Fossil fuels are classified as nonrenewable because they.......
a)
require expensive equipment
b)
take millions of years to replace
c)
can be found all over
d)
provide all the energy we use
40.
What are two advantages of geothermal energy?
a)
cheap and a lot pollution
b)
expensive and a lot of pollution
c)
cheap and little pollution
d)
expensive and little pollution
41.
What form of energy?
a)
Thermal
b)
Electrical
c)
Mechanical
d)
Radiant
42.
What form of energy is stored in the bonds between molecules of matter?
a)
chemical energy
b)
heat energy
c)
kinetic energy
d)
mechanical energy
43.
A baseball held by a pitcher has _____________energy.
a)
Kinetic
b)
Chemical
c)
Potential
d)
Thermal
44.
__________ is stored energy.
a)
Potential
b)
Kinetic
c)
None of the above
d)
All of the above
45.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
46.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
47.
Energy can not be created or destroyed, only converted from one form to another.
a)
true
b)
false
48.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
49.
When a pendulum swings, at which point is potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4
50.
Levi is wanting to light a bulb. What does he need to get the bulb to light?
a)
A battery and a paper clip
b)
A battery and a wire
c)
A paper clip and a wire
d)
A switch and a wire
51.
If you replace the paper clip with a plastic spoon, what happens?
a)
The bulb doesn't light
b)
The bulb is dimmer
c)
The wires get hot
d)
There is no change
52.
If you replace the paper clip with a plastic spoon, what is the plastic spoon acting as?
a)
A conductor
b)
A diode
c)
An insulator
d)
A switch
53.
A series circuit has ____ path(s) that the electric current can take.
a)
One
b)
Two
c)
Three
d)
Four
54.
In a parallel circuit, if one connection is broken, all of the connections stop working.
a)
True
b)
False
55.
Which of these objects is an insulator?
a)
Copper Wire
b)
Paper Clip
c)
Steel Pole
d)
Rubber Gloves
56.
An object through which electrons can easily flow is called a(n) ___________.
a)
Conductor
b)
Insulator
57.
Which statement is true?
a)
The light bulb will light up because the circuit is complete.
b)
The light bulb will light up because the circuit is broken.
c)
The light bulb will not light up because the circuit is complete.
d)
The light bulb will not light up because the circuit is broken.
58.
Which one is a conductor?
a)
wood
b)
iron
c)
plastic spoon
d)
paper
59.
Which would best complete this circuit?
a)
A wire
b)
A switch
c)
A battery
d)
A light bulb
60.
Electricity is the flow of _________.
a)
Protons
b)
Neutrons
c)
Electrons
61.
What kind of circuit is this?
a)
series
b)
parallel
62.
this is the symbol for a _____?
a)
switch
b)
light
c)
battery
d)
wires
63.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
64.
What is a current?
a)
A constant flow of electricity
b)
A path that a current can flow along
65.
___________ wires keep electrons on course & protect us from the dangerous flow of electricity.
a)
Insulated
b)
Conducted
66.
The flow of electricity in a circuit-
a)
current
b)
flow
c)
circuit
67.
____________ allows electricity to flow.
a)
A conductor
b)
An insulator
c)
A magnet
68.
____________ stops the flow of electricity.
a)
A conductor
b)
An insulator
c)
A magnet
69.
If the lights are on, the circuit is
a)
closed
b)
open
70.
Two types of circuits are
a)
parallel and magnetic
b)
electromagnetic and series
c)
series and parallel
71.
An example of a parallel circuit is
a)
the wiring in a house
b)
a flashlight
c)
a single circular path
72.
When socks get stuck to towels in your dryer, this is an example of________________
a)
current electricity
b)
static electricity
73.
What types of charges attract?
a)
Positive and Positive
b)
Positive and Neutral
c)
Negative and Neutral
d)
Positive and Negative
74.
The accumulation of excess electric charge on an object is called
a)
Static electricity
b)
Electric discharge
c)
Resistance
d)
Circuit
75.
Electric charges that are alike _______ each other.
a)
Attract
b)
Repel
76.
Electric charges that are different _______ each other.
a)
Attract
b)
Repel
77.
What charge does a proton have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
78.
What charge does an electron have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
79.
If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?
a)
A positive charge.
b)
A negative charge.
c)
A neutral charge
d)
No charge at all
80.
What is the major difference between static electricity and current electricity?
a)
Current electricity involves a continuous flow of neutrons; static electricity is a sudden transfer of protons
b)
Current electricity can be deadly; static electricity is almost always safe
c)
In current electricity, there's a single transfer of electrons; in static electricity, there's a steady flow of electrons
d)
Current electricity involves a flow of electrons; static electricity involves a single transfer of electrons
81.
How do electrons differ from protons?
a)
They are the same thing
b)
Electrons hold a negative charge and protons hold a positive charge.
c)
Electrons are positively charged and protons are negatively charged.
d)
Protons are neutral
82.
What happens when you touch a metal doorknob after rubbing your shoes on the carpet?
a)
The doorknob sends a burst of electric current into your body
b)
Millions of electrons go from your finger into the doorknob
c)
The doorknob sends millions of electrons into your finger
d)
our finger becomes negatively charged
83.
Which of the following is caused by static electricity?
a)
a stove getting hot when it is turned on
b)
a magnet being attracted to a refrigerator
c)
a lightning strike during a storm
d)
a light bulb coming on when a switch is turned on
84.
True or False, Lighting is a form of static electricity.
a)
True
b)
False
85.
The sun shines down on this family as the play on the beach.
a)
conduction
b)
convection
c)
radiation
86.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
87.
Walking on the warm sand sand with your bare feet.
a)
conduction
b)
convection
c)
radiation
88.
Blow drying your wet hair.
a)
conduction
b)
convection
c)
radiation
89.
Which direction will the heat flow while this person holds a hot cup of tea?
a)
from the cup to her hand
b)
from her hand to the cup
c)
no heat is transferred
90.
Which direction will the heat flow while this ice cap melts?
a)
there is no heat transfer
b)
from the icecap to the water
c)
from the water to the icecap
91.
The man goes to take the hot pot off the stove with his bare hands.
a)
conduction
b)
convection
c)
radiation
92.
Warm air rises and the cool air sinks.
a)
conduction
b)
convection
c)
radiation
93.
The baby chickens are kept warm from the heat lamps.
a)
conduction
b)
convection
c)
radiation
94.
In some cultures, walking on fire is the ultimate sign of strength.
a)
conduction
b)
convection
c)
radiation
95.
In this experiment, the WARM red dye and the COLD blue dye was placed in the water at the same time. The warm red dye rose to the top while the cold blue dye sank to the bottom.
a)
conduction
b)
convection
c)
radiation
96.
The candle will slowly heat the metal and transfer the heat directly to the mans hand.
a)
conduction
b)
convection
c)
radiation
97.
Johnny accidentally grabbed the handle of the hot pot.
a)
conduction
b)
convection
c)
radiation
98.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
99.
Warm air is __________ dense than cold air and rises creating convection currents.
a)
more
b)
less
100.
Heat would best be transferred by conduction between
a)
a candle and the air.
b)
an oven and a glass dish.
c)
a stove and a copper pot.
d)
water and a wooden spoon
101.
Carole owns a two story house with a heating and cooling unit on each floor. In the winter she mostly uses the downstairs unit because the volume of warm air __________ and __________ warming the whole house through __________.
a)
expands, rises, convection
b)
expands, sinks, conduction
c)
contracts, rises, conversion
d)
contracts, sinks, contraption
102.
"Lava lamps" contain colored liquids. These liquids form globs that rise to the top due to
a)
conduction
b)
convection
c)
radiation
103.
Why do we wear sweaters in cold weather?
a)
To keep cold out.
b)
To generate heat.
c)
To reduce heat loss.
d)
All of the above.
104.
In how many ways does heat move around the universe?
a)
One
b)
Three
c)
Two
d)
Ten
105.
Molecules in cold things move more _________
than in hot things.
than in hot things.
a)
quickly
b)
slowly
c)
happily
d)
merrily
106.
A material that resists the flow of heat is called an _____
a)
Insulator
b)
Conductor
107.
What is an object that is a good conductor?
a)
Plastic spoon
b)
Metal Cookie Sheet
c)
Fabric
d)
Wooden Mallet
108.
What is Thermal expansion?
a)
The transfer of thermal energy between materials by the collisions of particles
b)
Is a decrease in a materials volume when temperature decreases
c)
An increase in a materials volume when temperature increases
d)
Chicken fried rice
109.
Which is NOT an insulator.
a)
Wool
b)
Plastic
c)
Copper
d)
Glass
110.
Is iron a conductor or insulator?
a)
Conductor
b)
Insulator
111.
Is wood a conductor or insulator?
a)
Conductor
b)
Insulator
112.
Conductors are materials that...
a)
Allow heat to pass through
b)
Stop heat from passing through
c)
Allow cold to pass through
d)
Stop cold from passing through
113.
If the atoms of an object are moving or vibrating fast, the temperature would be...
a)
Hot
b)
Cold
c)
Unknown
114.
In what direction do hot liquids and gasses move?
a)
Side to Side
b)
Down
c)
Up
d)
Back and Forth
115.
In what direction to cold liquids and gasses move?
a)
Side to Side
b)
Up
c)
Down
d)
Back and Forth
116.
What happens to particles as they heat up?
a)
They slow down
b)
Nothing
c)
They don't move
d)
They speed up
117.
What happens to particles as they cool down?
a)
They slow down
b)
Nothing
c)
They don't move
d)
They speed up
118.
What type of heat transfer takes place in liquids and gasses?
a)
Conduction
b)
Convection
c)
Radiation
d)
Thermal Equilibrium
119.
As you touch a hot stove the heat transfers -
a)
from your hand to the stove
b)
from the stove to your hand
c)
It doesn't transfer
120.
Which color would be best at absorbing heat?
a)
Yellow
b)
Pink
c)
Orange
d)
Black
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