NEW
Font size
S
M
L
XL
WorksheetsComplete and Incomplete Circuits
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Which material could fill in the question mark for circuit B to create a complete circuit?
a)
copper wire
b)
plastic spoon
c)
wool
d)
construction paper
2.
Which of the following could make the bulb in circuit A brighter?
a)
adding another light bulb
b)
putting in a switch
c)
adding another battery
d)
reversing the direction of the battery
3.
If an object is NOT added to circuit B, and the wires are not attached, which of the following would describe the circuit?
a)
complete circuit
b)
closed circuit
c)
incomplete circuit
d)
series circuit
4.
What other objects could take the place of the light bulb to create a complete circuit?
a)
buzzer
b)
motor
c)
both buzzer and motor
d)
neither buzzer nor motor
5.
An object is added to the spot of circuit B. Why might the light bulb still not light?
a)
the object added was an insulator
b)
the object added was a conductor
c)
the object was made of metal
d)
the object created a closed circuit
6.
What is the purpose of the rubber coating on wires?
a)
serves as a conductor for the circuit
b)
prevents the light bulb from using up too much energy
c)
serves as an insulator for protection
d)
closes the circuit
7.
Which is NOT a required part of a complete circuit designed to light a light bulb?
a)
battery
b)
switch
c)
wire
d)
light bulb
8.
A circuit is considered open when...
a)
the switch completes the circuit
b)
the light bulb is lit
c)
the circuit is incomplete
d)
a buzzer is used instead of a light bulb
9.
What is the source of energy in the circuits above?
a)
light bulb
b)
battery
c)
wire
d)
conductive object
10.
What will happen if there is a break where the X is located?
a)
The first light bulb will not be lit.
b)
The second light bulb will not be lit.
c)
All light bulbs will be lit.
d)
No light bulbs will be lit.
Reset
