WorksheetsElectricity and Magnetism
Total questions: 15
Worksheet time: 28mins
Name
Class
Date
1.
________ is an object that does not conduct electricity.
a)
electromagnet
b)
series circuit
c)
insulator
d)
conductor
2.
The measure of how much a material opposes the flow of current it called _______________.
a)
electromagnet
b)
conductor
c)
resistance
d)
insulator
3.
A circuit that has only one path that electricity can follow is called a __________________.
a)
series circuit
b)
electric field
c)
parallel circuit
d)
static electricity
4.
A circuit that has two or more paths that electricity can follow is called a __________.
a)
series circuit
b)
electromagnet
c)
parallel circuit
d)
electric field
5.
______________ is a temporary magnet made up of a wire wrapped around a core.
a)
series circuit
b)
electromagnet
c)
parallel circuit
d)
electric field
6.
An object that allows electricity to flow is called a _____________.
a)
Conductor
b)
Insulator
c)
electric field
d)
electromagnet
7.
______________ is a buildup of charges on an object.
a)
Insulator
b)
Conductor
c)
Resistance
d)
Static Electricity
8.
Which is a characteristic of most electrical conductors?
a)
They can be cut easily.
b)
Positive charges move easily through them.
c)
Negative charges move easily through them.
d)
They are soft and flexible.
9.
The space in which an electric force acts is called ________________.
a)
electromagnet
b)
conductor
c)
insulator
d)
electric field
10.
Which statement is true about an electromagnet?
a)
It is a permanent magnet.
b)
Increasing the number of coils decreases the strength.
c)
It cannot be turned off.
d)
It is made by wrapping current-carrying wire around an iron core.
11.
Which of these materials makes a good insulator of electricity?
a)
Plastics
b)
Salt water
c)
Aluminum foil
d)
Silver
12.
If one burned-out bulb causes all of the lights to fail in a circuit, what might you conclude?
a)
It is a parallel circuit
b)
More batteries are needed
c)
It is a series circuit
d)
A heavier wire is needed
13.
Look at the diagram, what will happen when the switch is closed?
a)
The battery will recharge.
b)
The compass needle will turn.
c)
A spark will jump from the nail.
d)
The wire will become an insulator
14.
A student added another light to an electrical circuit and all the light became dimmer. What is most likely the cause of the dimmer lights?
a)
The batteries are weak.
b)
The light bulbs are hot.
c)
The circuit is a series circuit.
d)
The circuit is parallel.
15.
You are going to build an electromagnet for a lab investigation. Which of the following lab supplies do you need to build the electromagnet.
a)
1,2,3
b)
2,3,5
c)
3,4,5
d)
1,3,4
100 %
