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WorksheetsCircuits
Total questions: 23
Worksheet time: 21mins
Name
Class
Date
1.
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
2.
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.
3.
What would best complete this circuit?
a)
A wire
b)
A switch
c)
A battery
d)
A light bulb
4.
this is the symbol for a _____?
a)
switch
b)
light
c)
battery
d)
wires
5.
This circuit is _________.
a)
open
b)
parallel
c)
closed
d)
The cutest little circuit evah!
6.
The picture shows an electrical circuit. This circuit is a series circuit because:
a)
it has 3 light bulbs.
b)
the same current flows through all three light bulbs.
c)
it uses a single battery.
d)
the electrical current has more than one path to flow through
7.
This circuit won't work. What essential part is missing from this circuit?
a)
resistance
b)
source of electric current
c)
conductor
d)
ammeter
8.
Will the light bulb in this circuit light and why/why not?
a)
yes, because it has two batteries
b)
no, because the switch is open
c)
yes, because it is in a circuit
d)
no, because the bulb is burned out
9.
Which light will be brighter and why?
a)
Bulb A because its circuit is closed
b)
Bulb B because its circuit is closed
c)
Bulb B because it has more volts
d)
Bulb A because it has less volts
10.
When all parts of the circuit are connected, it is a ______ circuit.
a)
open
b)
closed
11.
When you flip a light switch on and off you are closing and opening a circuit.
a)
true
b)
false
12.
What is a switch's function in a circuit?
a)
to make the current hotter or colder
b)
turn on and off the flow of electrical current
c)
the pathway that electrical current flows
d)
to add more power to the circuit
13.
Which of the following can supply energy in an electric circuit?
a)
a conductor
b)
light bulb
c)
a wire
d)
a battery
14.
Look at the picture. Why won't the light bulb light up?
a)
The wires from the light bulb are not connected to the battery
b)
The switch is not closed to form a complete circuit
c)
The wires from the light bulb are not connected to the switch
d)
The wires from the battery are not connected to the switch
15.
Look at the picture. What causes the light bulb not to 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
16.
Pick the correct sentence.
a)
This circuit will work because it is a closed circuit.
b)
Energy will freely flow in this circuit.
c)
This circuit will not work because there is no energy source.
d)
This circuit will not work because there is no switch.
17.
What is a battery?
a)
switch
b)
power source
c)
insulator
18.
A complete circuit has .......
a)
a motor in it
b)
a switch in it
c)
two bulbs in it
d)
no breaks in it
19.
A student began building a circuit to light a bulb. What else does the student need to produce light?
a)
a battery that has energy
b)
a wire that is insulated
c)
a switch that is open
d)
another bulb of the same size
20.
This circuit has a battery, buzzer, and switch.
When the switch is closed the buzzer will sound because -
When the switch is closed the buzzer will sound because -
a)
the switch gives energy to the battery
b)
the buzzer is made of special plastic
c)
the wires are cooled by the surrounding air
d)
electricity can flow in a complete path
21.
An incomplete circuit is shown.
To complete the circuit, a wire should be placed from —
To complete the circuit, a wire should be placed from —
a)
Point D to Point C
b)
Point B to Point C
c)
Point A to Point D
d)
Point B to Point D
22.
Which bulbs will light?
a)
1 and 2
b)
2 and 3
c)
3 and 4
d)
4 and 2
23.
What is an electrical circuit?
a)
lets you turn the energy on and off
b)
a closed path where electricity flows
c)
stop electricity from flowing through
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