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Electricity review

Total questions: 95

Worksheet time: 43mins

Name
Class
Date
1.
You must connect both poles of a battery to a bulb to make it light.  
a)
TRUE
b)
FALSE
2.
Insulation on wire can prevent shocks in electrical experiments.  
a)
TRUE
b)
FALSE
3.
Aluminum foil will not conduct electricity.  
a)
TRUE
b)
FALSE
4.
A metal paperclip will conduct electricity.  
a)
TRUE
b)
FALSE
5.
Tape works as an insulator in electricity experiments.  
a)
TRUE
b)
FALSE
6.
A material in which electrons are able to move easily
a)
Circuit
b)
Insulator 
c)
Resistance 
d)
Conductor 
7.
The current has only has one loop to flow through in this circuit. 
a)
Series Circuit 
b)
Parallel Circuit 
8.
This circuit contains two or more branches for current to move through. 
a)
Series Circuit 
b)
Parallel Circuit 
9.

Which of these items is NOT an insulator?

a)

Glass

b)

Rubber

c)

Aluminum

d)

Silicone

10.

A parallel circuit... (select all correct answers)

a)

...can be compared to a racetrack

b)

...contains multiple paths for charge to travel

c)

...is commonly used in household wiring

d)

...has all components dependent on the others

11.

The continuous flow of electrons is ______

a)

Current

b)

Static electricity

c)

Voltage

d)

Resistance

12.

If a bulb is added between the battery and the switch, ____

a)

The bulbs get brighter

b)

The bulbs get dimmer

c)

The bulb brightness stays the same

d)

All the bulbs go out

13.

If you add another bulb in parallel,_____

a)

The bulbs get brighter

b)

The bulbs get dimmer

c)

The bulb brightness stays the same

d)

All the bulbs will go out

14.

If the top bulb goes out,

a)

All the bulbs go out

b)

The other bulbs get dimmer

c)

There is no effect on the other bulbs

d)

The other bulbs get brighter

15.

If the middle bulb goes out, _______

a)

The other bulb gets brighter

b)

The other bulb goes out

c)

The other bulb's brightness stays the same

d)

The other bulb gets dimmer

16.

In a parallel circuit

a)

All devices receive the same current

b)

There are 2 or more paths for current to flow

c)

All devices always go on and off together

d)

Each device operates with a different voltage

17.

Electrons flow only in

a)

series ciruits

b)

parallel circuits

c)

closed circuits

d)

open circuits

18.
Study the picture. Will this light bulb light? 
a)
Yes
b)
No
19.
Study the picture. Will this light bulb light? 
a)
Yes
b)
No
20.
Study the picture. Will this light bulb light? 
a)
Yes
b)
No
21.
Dry wood is considered a-
a)
insulator
b)
conductor
22.
Rubber is considered a-
a)
insulator
b)
conductor
c)
omnivore
d)
carnivore
23.
A paperclip is considered a- 
a)
Insulator
b)
Conductor
c)
predator
d)
prey
24.
Plastic is considered a-
a)
Insulator
b)
Conductor
c)
Producer
d)
Consumer
25.
Can a penny conduct electricity?
a)
Yes, it is a conductor.
b)
No, it is an insulator. 
26.
Can water conduct electricity?
a)
Yes, water is a conductor.
b)
No, water is an insulator.
27.
Which of the following orientation would result in the greatest attraction between the two magnets?
a)
A
b)
B
c)
C
d)
D
28.
What type of circuit is this?
a)
Series
b)
Open
c)
Parallel
d)
Alternating
29.
1.  In a _________ circuit there is more than one path for an electric current.
a)
series
b)
parallel
c)
open
30.
1.  In a _________ circuit there is only ONE path for an electric current.
a)
series
b)
parallel
c)
open
d)
dry cell
31.
A dry cell, a light bulb, and some wires are connected in a circuit, and the bulb lights up. Is the circuit open or closed?
a)
open
b)
closed
32.
Magnetic poles that are alike will...
a)
attract
b)
repel
c)
generate electricity
33.
If an electric circuit is left open, 
a)
Electricity will flow
b)
Electricity will not flow
c)
Electricity will flow and then stop
34.
Opposite magnetic poles will
a)
Attract
b)
Repel
c)
Create friction
d)
Cause the moon phases to change
35.
A magnet will pick up a nail, but not a penny because the nail
a)
has rust on it.
b)
is lighter than the penny.
c)
has a sharp point.
d)
contains iron.
36.
When you put ring magnets on a pencil, the magnets stay apart from each other because
a)
magnets are too weak to stay together.
b)
material that makes up the magnets aren't magnetic.
c)
same poles of the magnets are facing each other.
d)
the pencil stops the force of the magnets.
37.
Which of these is attracted to a magnet?
a)
iron nail
b)
copper penny
c)
piece of paper
d)
notebook
38.
Magnets will stick to refrigerator doors because the doors are 
a)
Painted with plastic.
b)
Made of metal.
c)
Easy to open. 
d)
Heavy.
39.
The magnet's shown will
a)
not move
b)
attract
c)
repel
d)
all of the above
40.
The magnet's shown will
a)
not move
b)
attract
c)
repel
d)
all of the above
41.
The two poles on a magnet are
a)
north and east
b)
north and west
c)
south and north
d)
south and west
42.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
43.
Where is the strongest attraction force of the magnet?
a)
at the poles
b)
in the middle
c)
above the magnet
d)
below the magnet
44.
The space around a magnet where the force of a magnet can attract best is called__________
a)
magnetism
b)
bar magnet
c)
horseshoe magnet
d)
magnetic field
45.
In which of these circuits will the light bulb turn on?
a)
A
b)
B
c)
C
d)
D
46.
Magnets stick to ____
a)
Plastic
b)
Other magnets
c)
Iron or Iron Alloys
d)
Both Magnets and Iron/Iron Alloys
47.
Magnets have opposite poles, sometimes called north and south.  When you put the north poles of two magnets together, the magnets will ________.
a)
Repel
b)
Explode
c)
Attract
d)
Spin
48.
Magnets have opposite poles, sometimes called north and south.  When you put the north pole of one magnet next to the south pole of another magnet, the magnets will ________.
a)
Attract
b)
Repel
c)
Spin
d)
Evaporate
49.
The path through which electricity flows is called a _________.
a)
Trail
b)
Circuit
c)
Receiver
d)
Power Source
50.
A switch can change an open circuit into a(n) _______________.
a)
Closed Circuit
b)
Electrical Circuit
c)
Parallel Circuit
d)
Series Circuit
51.
Which of these materials would be considered an excellent energy conductor?
a)
Copper wire
b)
Plastic straw
c)
Wooden clothes pin
d)
Pillow
52.
Which component supplies the power (energy) to a circuit?
a)
Battery
b)
Wire
c)
Light Bulb
d)
Light Sensor
53.
A circuit with two or more components acting as receivers/outputs where each receiver/output has its own pathway to the source (doesn't share pathways) is called a ________ circuit.
a)
series
b)
incomplete
c)
parallel
d)
sick
54.
In a complete and closed circuit that tests for insulators and conductors, the lightbulb is used to ___________.
a)
carry the electricity through the circuit.
b)
show that electricity is running through the circuit.
c)
reduce the power of the electricity in the circuit.
d)
turn on the circuit.
55.
A circuit with two or more components acting as receivers/outputs where each receiver/output is linked one after another, all using the same circuit or pathway is called a ______ circuit.
a)
series
b)
incomplete
c)
linked
d)
parallel
56.
As you move two magnets farther apart from each other, the magnetic force ______________.
a)
decreases
b)
increases
c)
stays the same
d)
alternately increases and decreases.
57.
An insulator is a material that _______.
a)
produces heat and light.
b)
does not easily allow the flow of electricity.
c)
is expensive.
d)
connects batteries to wires in a circuit.
58.
Which of these shows a complete and closed parallel circuit?
a)
A
b)
B
c)
C
d)
D
59.
Which of these shows a complete and closed series circuit?
a)
A
b)
B
c)
C
d)
D
60.

What energy transformation occurs in the chameleon as it quickly launches its tongue to catch an insect?

a)

Radiant --> Chemical

b)

Thermal --> Chemical

c)

Chemical --> Mechanical

d)

Mechanical --> Chemical

61.

What energy transformation occurs as a mouse produces body heat?

a)

Chemical --> Thermal

b)

Thermal --> Chemical

c)

Electrical --> Thermal

d)

Thermal --> Mechanical

62.

What energy transformation occurs as an electric eel shocks its prey?

a)

Electrical --> Mechanical

b)

Thermal --> Electrical

c)

Chemical --> Electrical

d)

Radiant --> Electrical

63.
Can you create energy?
a)
Yes
b)
No
64.
Can you create energy?
a)
Yes
b)
No
65.
Can you destroy energy?
a)
Yes
b)
No
66.

Can this alien destroy energy with his awesome laser?

a)

Nice Alien, and yes, he can.

b)

Maybe, if his laser is awesome enough!

c)

No, it's like, impossible, and stuff.

d)

With a lot of ice, he could destroy heat.

67.

Can you create energy?

a)

Yup, no problem.

b)

What? NO WAY, it's impossible.

c)

Well, maybe.

d)

Yes, but it's very difficult.

68.

What type of energy transformation occurs when using an electric pencil sharpener?

a)

electrical to mechanical

b)

sound to electrical

c)

mechanical to electrical

d)

potential to sound

69.

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

a)

chemical to mechanical

b)

mechanical to chemical

c)

thermal to mechanical

d)

mechanical to thermal

70.

What energy transformation occurs when a crock pot is plugged into an outlet and then the control knob is turned "on"?

a)

thermal to electrical

b)

mechanical to thermal

c)

electrical to thermal

d)

electrical to sound

71.

What type of energy transformation happens in hydro-electric power?

a)

kinetic to potential

b)

sound to mechanical

c)

chemical to electrical

d)

mechanical to electrical

72.

Which of the following energy transformations occur when the lamp is plugged into the outlet and the bulb is inserted into the lamp?

a)

thermal - electrical - light

b)

electrical - light - thermal

c)

light - thermal - electrical

d)

electrical - thermal - light

73.

What type of energy is electrons flowing through a wire?

a)

Electrical energy

b)

Chemical energy

c)

Kinetic energy

d)

Mechanical energy

74.

What type of energy is stored in batteries or food?

a)

Potential energy

b)

Thermal energy

c)

Chemical energy

d)

Mechanical energy

75.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
76.
What is energy changing from one form to another?
a)
energy conservation
b)
energy transformation
c)
energy creation
d)
mechanical energy
77.
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
78.
what type of energy is stored in a battery?
a)
electrical
b)
chemical
c)
thermal
d)
mechanical
79.
When you eat pizza, Chemical Energy is transferred to _____ Energy.
a)
Solar
b)
Electrical
c)
Mechanical
d)
Chemical
80.
Solar Energy is transferred to _____ Energy.
a)
Mechanical
b)
Solar
c)
Sound
d)
Electrical
81.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
82.
Mechanical Energy is transferred to _____ Energy.
a)
Solar
b)
Mechanical
c)
Electrical
d)
Potential
83.
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
84.
Electrical -> Mechanical -> Sound 
a)
A triple beam balance measuring an object’s mass
b)
A pencil sharpener plugged into a wall outlet
c)
A projector displaying a diagram on the screen
d)
A working flashlight used to light up a dark corner
85.
Energy you get from eating an apple
a)
nuclear energy
b)
electromagnetic energy
c)
sound energy
d)
chemical energy
86.
What energy is given off when a cell phone rings?
a)
Sound Energy
b)
Gravitational Energy
c)
Thermal Energy
d)
Nuclear Energy
87.
Which energy transformation occurs in a toaster?
a)
chemical to electric
b)
electric to thermal
c)
kinetic to chemical
d)
thermal to potential
88.
Can you create energy?
a)
Yes
b)
No
89.
Can you destroy energy?
a)
Yes
b)
No
90.
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
91.
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
92.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
93.
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
94.
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.
95.
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

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