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WorksheetsElectricity Exam 💡
Total questions: 45
Worksheet time: 48mins
Name
Class
Date
1.
This instrument can be used to see if materials conduct electricity. Which of these groups contains items that could all conduct electricity to complete the circuit?
a)
pencil, eraser, plastic spoon
b)
rubber ball, plastic comb, nail
c)
paper clip, penny, nail
d)
plastic spoon, dollar bill, plastic ruler
2.
Look at the following circuit. What is missing from this circuit?
a)
The power source
b)
The wire
c)
The switch
d)
The load or the light bulb
3.
Students in Mrs. Banks class were tasked with creating circuits. Below are 4 examples of the circuits students created. Out of the 4 circuits the students built which is the only one that will produce light when the switch is closed?
a)
A
b)
B
c)
C
d)
D
4.
A group of students is building the circuit represented in the diagram below.
What object can be inserted at the spot with the X in order for the buzzer to sound when Switch K is closed?
a)
A power source
b)
An insulated wire
c)
Another bulb
d)
Another switch
5.
A group of students built the circuit shown below in the image.
The lightbulb does NOT glow. Which statement best explains why the light bulb is not working in the circuit?
a)
The battery is not charged
b)
The lightbulb is not part of a complete circuit
c)
The circuit does not have a power source
d)
The bell uses most of the energy from the battery
6.
A string of lights with small bulbs is shown below. The bulbs are connected by wire that is covered with an insulator.
When the lights are on, electricity travels in
a)
A complete circuit
b)
A sound wave
c)
A light ray
d)
An incomplete path
7.
A 6th grade class constructed the following circuit shown below. Which of the objects in the following list could be connected between points X and Y to result in the lightbulb glowing?
a)
Plastic straw
b)
Cotton ball
c)
Aluminium foil
d)
Rubber eraser
8.
The electrician in the picture below is wearing rubber insulated gloves. What about these gloves makes them acceptable to use for protection when working with electric currents?
a)
Keep the electrician dry
b)
Protect the electrician because rubber is an insulator
c)
Protect the electrician because rubber is a conductor
d)
Protect the electrician by creating an electrical current
9.
Why is electrical wiring usually made from copper?
a)
Copper has a high luster
b)
Copper is highly magnetic
c)
Copper is an excellent conductor of electricity
d)
Copper is an poor conductor of electricity
10.
Compare the 3 circuits shown in the diagram below. Which circuits are parallel?
a)
A
b)
A and B
c)
B and C
d)
C only
11.
A diagram of a closed circuit is shown below. If you replaced the paperclip with a plastic spoon what would happen in the circuit?
a)
The bulb would not glow
b)
The wires would get warmer
c)
The bulb would be dimmer
d)
None of the above
12.
A group of students in science class are trying to create a circuit. They cannot figure out why the light bulb is not glowing.
What is missing from this circuit?
a)
A load
b)
A conducting wire
c)
A power source
d)
A switch
13.
Below is an image of lights used for the holidays. When only 1 lightbulb blows out, an entire string of lights also goes out.
Based on your knowledge of circuits why did the entire string of lights stop working when 1 was broken?
a)
The lights are connected by a series circuit with multiple current pathways
b)
The lights are connected by a parallel circuit with multiple current pathways
c)
The lights are connected by a series circuit with 1 current pathway
d)
The lights are connected by a parallel circuit with 1 current pathway
14.
The diagram below shows the metal posts usually found on the end of some batteries. The battery can be connected to a bell and a switch to produce sound.
Which statement best explains why there are 2 metal posts on the battery?
a)
The battery needs only 1 metal post to connect to the bell but the other metal post is present in case the other one doesn't work
b)
The battery needs to form a complete circuit that starts with 1 metal post and ends with the other metal post so there is a negative and a positive
c)
One metal post makes a complete circuit only if the switch is open and the other is there in case the first fails
d)
One metal post makes the bell start to ring and the other metal post makes the bell ring louder.
15.
The circuit shown in the picture below has a power source, a buzzer that makes noise, and a switch.
What is responsible for the buzzer making a sound when the switch is closed?
a)
The switch gives energy to the battery
b)
The wires are cooled by the surrounding area
c)
The buzzer is made of a special insulating plastic
d)
When the switch is closed electricity can flow in a complete path
16.
Sarah wants to make a complete circuit. She gathers the following items shown in the picture below.
What item is Sarah missing in order to complete the circuit?
a)
A power source
b)
A conducting wire
c)
An insulating material
d)
A resistor
17.
A group of students in Mrs. Franklin's class made a list of insulators and conductors.
Which items did the students place in the wrong column?
a)
Gold and Copper, Glass
b)
Cloth and Rubber, Glass
c)
Cloth and Gold, Glass
d)
Silver and Bronze, Glass
18.
Which statement correctly identifies the circuits in the image below?
a)
Both are closed circuits. Circuit 1 is a series circuit and Circuit 2 is a parallel circuit.
b)
Both are closed circuits. Circuit 1 is a parallel circuit and Circuit 2 is a series circuit.
c)
Circuit 1 is an open parallel circuit. Circuit 2 is a closed parallel circuit.
d)
Circuit 1 is a closed series circuit. Circuit 2 is an open series circuit.
19.
In the image below you can observe 1 headlight in the car that is not glowing.
Based on your knowledge of circuits how is it possible that while 1 headlight is broken the other is still working?
a)
The headlights are on a series circuit which means there is more than 1 pathway for the electricity to travel.
b)
The headlights are on a parallel circuit which means there is more than 1 pathway for the electricity to travel
c)
The headlights are on a parallel circuit which means both headlights should be broken
d)
The headlight that is still glowing is powered by an alternate energy source.
20.
Why does the following circuit not work?
a)
The light bulb is broken
b)
The switch is closed
c)
The wood block is an insulator
d)
The battery is dead
21.
a)
1.
wire
b)
2.
light bulb
c)
3.
battery
d)
4.
switch
e)
5.
electric circuit
22.
An outlet in a wall and a battery are examples of __________.
a)
Power source
b)
Load
c)
Energy pathway
d)
ALL of them
23.
Why won’t the light bulb in the circuit pictured to the right light up?
a)
The wires from the second light bulb are not connected to the battery
b)
The wires are not connected between the light bulbs
c)
The wires are not connected to both sides of the first light bulb
d)
The wires are too long to complete the circuit
24.
What is a conductor?
a)
A material that allows electricity to flow through it. The circuit is complete.
b)
A material that does not allow electricity to flow through. It stops the flow of electricity.
c)
A light switch.
25.
An example of an insulator is?
a)
metal
b)
plastic
c)
brass
d)
aluminum
26.
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
27.
Where is the force of attraction the strongest on a magnet?
a)
at the poles
b)
in the middle
c)
above the magnet
d)
below the magnet
28.
Which metal can be attracted to magnets?
a)
Copper
b)
Aluminum
c)
Iron
d)
Gold
29.
Select all that would stick to a magnet.
a)
nickel
b)
penny
c)
paperclip
d)
steel nail
30.
Select all that would not attract to a magnet.
a)
rubber band
b)
craft stick
c)
straw
d)
washer
31.
Which of the following statements is true about magnets?
a)
Magnets only attract metal objects
b)
Magnets have two poles: north and south
c)
Magnets can only repel each other
d)
Magnets do not create fields
32.
What will happen to this circuit if you open the switch?
a)
2 light bulbs will stay on
b)
all the light bulbs will go out
c)
the battery will not work
d)
the light bulbs will be dim
33.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
34.
What are three things all circuits must have?
a)
Switch, conductor, light bulb
b)
Switch, conductor, power source
c)
Power source, conductor, load (light bulb)
d)
Conductor, resistor, switch
35.
What is the energy source for a circuit?
a)
Light bulb
b)
Battery
c)
Wire
d)
Switch
36.
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
37.
Which poles repel or push apart each other?
a)
north and south
b)
south and north
c)
south and south
38.
Which poles attract each other?
a)
north and north
b)
south and south
c)
north and south
39.
These are examples of
a)
Insulators
b)
Conductors
40.
These are examples of
a)
Conductors
b)
Insulators
41.
Why is electrical wiring usually covered with a layer of plastic?
a)
To help electricity flow along the wire
b)
To make it look pretty
c)
To make it safe
42.
What object would best complete this circuit?
a)
a battery
b)
a peice of yarn
c)
an insulator
d)
a conductor
43.
Students design a circuit to test electrical conductivity. Which of the following will allow energy to flow through the circuit?
a)
Wood
b)
Glass
c)
Copper
d)
Plastic
44.
Which of these is a conductor?
a)
b)
c)
d)
45.
A jacket is a good example of an . . .
a)
Insulator
b)
Investigator
c)
Conductor
d)
Interrogator
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