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Worksheets12.1-12.2 Circuits& Conductors
Total questions: 38
Worksheet time: 1hrs 16mins
Name
Class
Date
1.
A series circuit has ____ path(s) that the electric current can take.
a)
One
b)
Two
c)
Three
d)
Four
2.
In an electrical circuit, electrons move from the __________.
a)
Negative end to negative end
b)
Negative end to positive end
c)
Positive end to positive end
d)
can move in either direction
3.
In a parallel circuit, if one connection is broken, all of the connections stop working.
a)
True
b)
False
4.
Which of these objects is an insulator?
a)
Copper Wire
b)
Paper Clip
c)
Steel Pole
d)
Rubber Gloves
5.
Choose the correct sentence.
a)
This circuit will work because it is an open circuit
b)
This circuit will work because it is a closed circuit.
c)
This circuit will NOT work because it is an open circuit.
d)
This circuit will NOT work because it is a closed circuit.
6.
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.
7.
Which one is a conductor?
a)
wood
b)
iron
c)
plastic spoon
d)
paper
8.
A circuit in which energy can freely flow.
a)
Closed Circuit
b)
Free Circuit
c)
Open Circuit
d)
Broken Circuit
9.
Choose the correct sentence.
a)
This circuit will work because it is an open circuit.
b)
This circuit will work because it is a closed circuit.
c)
This circuit will NOT work because it is an open circuit.
d)
This circuit will NOT work because it is a closed circuit.
10.
Would would best complete this circuit?
a)
A wire
b)
A switch
c)
A battery
d)
A light bulb
11.
If a material does not allow charges to move through it easily, what is it called?
a)
electrical insulator
b)
electrical conductor
c)
resistor
d)
closed switch
12.
This is an example of a _______ circuit
a)
open
b)
series
c)
parallel
d)
broken
13.
This is an example of a ______ circuit
a)
Series
b)
Parallel
c)
Open
d)
Broken
14.
Which of the following could you remove and the circuit will still work?
a)
Light bulb
b)
Battery
c)
Wire
d)
Rubber insulation
15.
How electricity is produced?
a)
By the flow or transfer of electrons
b)
By the flow or transfer of protons
c)
By the flow or transfer of neutrons
d)
All of them
16.
Your house primarily uses which type of electric circuit?
a)
Series
b)
Parallel
c)
Both
d)
Electric Circuit
17.
Which circuit has the brightest bulbs if there is more than one bulb but all other components remain the same?
a)
a series circuit
b)
a parallel circuit
c)
an open circuit
d)
an electrical circuit
18.
When you removed a bulb from the parallel circuit and was left with two bulbs in the circuit, what happened to the brightness of the bulbs?
a)
The bulbs go brighter.
b)
The bulbs got dimmer.
c)
There was no change in the brightness.
19.
Look at the drawing. What is the wire?
a)
A conductor
b)
A load
c)
An insulator
d)
An energy source
20.
Which circuit diagram matches this picture of a circuit?
a)
A
b)
B
c)
C
d)
D
21.
Which bulbs will light?
a)
1 and 2
b)
2 and 3
c)
3 and 4
d)
4 and 2
22.
In the picture, 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
23.
Which of these symbols represents a switch? Select the symbol for a switch from the choices provided.
a)
A
b)
B
c)
C
d)
D
24.
Which diagram shows two bulbs in a series?
a)
1
b)
2
c)
3
d)
4
25.
What is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
26.
This circuit is...?
a)
open
b)
closed
c)
parallel
d)
broken
27.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
28.
Which bulb burning out would mean that no current could flow through the circuit?
a)
A
b)
B
c)
C
d)
D
29.
12.1 Which of the following shows a properly connected circuit that would allow electricity to flow?
a)
The wires are connected to the wrong battery terminals
b)
the bulb is burned out
c)
Electrons are not able to pass through the switch.
d)
A wire is missing
30.
12.1 Which of the following shows a properly connected circuit that would allow electricity to flow?
a)
A
b)
B
c)
C
d)
D
31.
12.1 This circuit has a battery, buzzer, and switch. When the switch is CLOSED, what energy transfer will occur?
a)
Electrical to Sound
b)
Chemical to Electrical to Potential
c)
Chemical to Sound
d)
Chemical to Electrical to Sound
32.
12.2 Olivia wanted to complete her circuit with a conductor. What object is her best option?
a)
Wood stick
b)
Glass bead
c)
Aluminum foil
d)
Styrofoam
33.
12.2 When an electrical insulator is placed in the circuit, the circuit is ___________ as there is a _________ in the circuit.
a)
open... open
b)
closed... open
c)
open... break
d)
closed... break
34.
12.2 The plastic covering is there to:
a)
Provide a conductor for electrical energy to flow.
b)
Provide an insulator so that electrical energy will not pass outside of the wires.
c)
Provide a conductor so that electrical energy can NOT flow.
d)
Provide an insulator so that electrical energy can flow.
35.
12.2 Max tested some objects with the circuit tester. Then, he recorded his results in the table below.
Based on his results, which of the following conclusions is the most likely to be true?
Based on his results, which of the following conclusions is the most likely to be true?
a)
A, B and C are flexible objects.
b)
B is a non-conductor of electricity.
c)
A is made of iron and B is made of copper.
d)
Conductors of electricity are also heat conductors.
36.
12.2 James set up 3 similar circuits as shown. P, Q and R are made of different materials. James made some observations in the table. Which of the following statements about the above observations is correct?
a)
R is made of wood.
b)
P is a conductor of electricity.
c)
Q is a conductor of electricity.
d)
P is a better conductor of electricity compared to Q.
37.
12.2 Material W, X and Y is connected to an electric circuit one at a time, as shown in the diagram below.
Which of the following could materials W, X and Y be?
Which of the following could materials W, X and Y be?
a)
W – ceramic
X – cloth
Y - Iron
X – cloth
Y - Iron
b)
W – Steel
X – glass
Y - plastic
X – glass
Y - plastic
c)
W – aluminium
X – copper
Y - rubber
X – copper
Y - rubber
d)
W – iron
X – copper
Y - gold
X – copper
Y - gold
38.
12.2 Which of the following objects, when placed in a closed circuit, will cause the bulb to light up?
A: Copper wire B: Plastic ruler
C: Wooden chopsticks D: Iron nail
A: Copper wire B: Plastic ruler
C: Wooden chopsticks D: Iron nail
a)
A and B only
b)
C and D only
c)
A and D only
d)
B and C only
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