WorksheetsElectric Circuits
Total questions: 35
Worksheet time: 22mins
Name
Class
Date
1.
This circuit is .....?
a)
open
b)
parallel
c)
closed
d)
shows the flow of electricity
2.
When all parts of the circuit are connected, it is a ______ circuit.
a)
open
b)
closed
3.
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
4.
Which of these best completes the circuit?
a)
rubber band
b)
metal nail
c)
leather shoelace
d)
wooden toothpick
5.
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
6.
What is this image?
a)
two-way switch
b)
switch
c)
ammeter
d)
d.c. power supply
7.
a)
bell
b)
light bulb
c)
battery
d)
light-dependent resistor
8.
a)
Wire
b)
Light
c)
Battery
d)
Switch
9.
a)
Light
b)
Battery
c)
Motor
d)
Switch (Closed)
10.
a)
Battery
b)
Fuse
c)
Diode
d)
Switch (open)
11.
a)
Cell
b)
Battery
c)
Power supply
d)
Magnet
12.
a)
Battery
b)
Cell
c)
Variable power supply
d)
Transformer
13.
What object would best complete this circuit?
a)
A battery
b)
a peice of yarn
c)
an insulator
d)
a conductor
14.
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.
15.
Claire wants to complete her circuit with a conductor. What object is her best option?
a)
rubber
b)
a penny
c)
card board
d)
plastic spoon
16.
You know that the object connected to the wires is a conductor because:
a)
The light bulb is glowing bright.
b)
It's a complete circuit.
c)
It's a closed circuit.
d)
The object is shiny.
17.
wood is a _____?
a)
conductor
b)
insulator
18.
A fifth grade class constructed this circuit. Which of these objects most likely made the light glow when connected to points X and Y?
a)
plastic straw
b)
cotton string
c)
aluminum foil
d)
rubber eraser
19.
Which is NOT an insulator.
a)
Wool
b)
Plastic
c)
Copper
d)
Glass
20.
Gold is an example of ________.
a)
a conductor
b)
an insulator
21.
What is a conductor?
a)
Material that does NOT transfer energy.
b)
Materials that are connected to circuits.
c)
Materials that transfer energy.
d)
Materials that
22.
What is NOT an example of an insulator in the kitchen?
a)
An oven mitt
b)
Pots and pans
c)
A wooden spoon
d)
A plastic measuring cup
23.
Gloves help keep your hands warm in winter because:
a)
They are conductors of heat.
b)
They are fuzzy.
c)
They are conductors of electrical energy.
d)
They are insulators.
24.
A battery is a source of electric energy.
a)
True
b)
False
25.
A plastic cup is a source of electric energy.
a)
True
b)
False
26.
Which of these would be a good insulator of electricity?
a)
Steel Fork
b)
Wooden Spool
27.
Which of these would be a good conductor of electricity?
a)
Steel Fork
b)
Wooden Spool
28.
Which of the following materials is used to cover electrical wires for safety because it is an insulator of electric energy?
a)
Copper
b)
Aluminum
c)
Iron
d)
Rubber
29.
Electricity can flow through graphite. Graphite is therefore a(n)
a)
Insulator
b)
Conductor
c)
Magnet
d)
Decorator
30.
Using a toaster is an example of which type of electrical energy?
a)
Light
b)
Motion
c)
Heat
d)
Sound
31.
A radio converts electrical energy into _________________ energy.
a)
Heat
b)
Sound
c)
Light
d)
Motion
32.
Using a light bulb is an example of _______ energy.
a)
Heat
b)
Light
c)
Sound
d)
Motion
33.
A closed path through which an electrical current flows is called a ____________________.
a)
Path
b)
Diagram
c)
Circuit
d)
Battery
34.
Why are metals useful for making electrical wire?
a)
Metals do not bend.
b)
Metals hold much heat.
c)
Metals are insulators.
d)
Metals are conductors.
35.
Something electricity can't move through is called a(n) ______.
a)
conductor
b)
wire
c)
shoe
d)
insulator
100 %
