NEW
Font size
S
M
L
XL
Worksheetsstaar practice
Total questions: 20
Worksheet time: 31mins
Name
Class
Date
1.
Is Iron a Conductor or Insulator?
a)
Conductor
b)
Insulator
2.
Which is NOT an insulator.
a)
Wool
b)
Plastic
c)
Copper
d)
Glass
3.
Is Wood a conductor or Insulator?
a)
Conductor
b)
Insulator
4.
What is the difference between a conductor and an insulator?
a)
An insulator allows electricity to flow through it easily and a conductor does not
b)
A conductor allows electricity to flow through it easily and an insulator does not.
c)
An insulator is magnetic and a conductor is not
d)
A conductor is magnetic and an insulator is not
5.
A great conductor of energy is:
a)
wood
b)
plastic
c)
metal
d)
cloth
6.
All of the following are conductors except _______.
a)
metal spoon
b)
wire
c)
iron nail
d)
plastic spoon
7.
What object would best complete this circuit?
a)
A battery
b)
a peice of yarn
c)
an insulator
d)
a conductor
8.
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.
9.
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.
10.
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
11.
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
12.
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.
13.
Tatrys knows that the light bulb will turn on because the circuit:
a)
includes an insulator.
b)
is an open circuit.
c)
makes a complete path.
d)
includes a battery.
14.
When all parts of the circuit are connected it is a ______ circuit.
a)
open
b)
closed
15.
In order to make an electromagnet, you need a
a)
battery, nail, and magnet
b)
battery, wire, and nail
c)
magnet, nail, and wire
d)
all of the above
16.
How are electromagnets different from magnets?
a)
magnets can be turned on/off
b)
you can turn an electromagnet on/off
c)
magnets are more powerful
d)
magnets have a North and South pole
17.
This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
a)
Add more coils of wire to the nail.
b)
Use a smaller battery.
c)
Reverse the poles of the magnet.
d)
Remove all the coils and the nail.
18.
What part of a circuit controls the flow of electricity?
a)
wire
b)
switch
c)
battery
d)
motor
19.
What provides the energy to an electromagnet?
a)
switch
b)
wires
c)
battery
d)
washers
20.
Which of the following is shown in the picture?
a)
Electromagnet
b)
Electric generator
c)
Electric motor
d)
Transformer
Reset
