Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 5 Electric. Magnetism

Total questions: 33

Worksheet time: 29mins

Name
Class
Date
1.

If two charges repel each other, the charges must be

a)

negative and negative

b)

negative and positive

c)

open and closed

d)

positive and positive

2.

If you break a magnet into two equal parts, what will result?

a)

The result will be two magnets, each with one magnetic pole

b)

The result will be two pieces of metal that have lost their magnetic properties

c)

The result will be two magnets each with two opposite magnetic poles

d)

The larger piece will retain the magnetic properties, but the smaller piece will not

3.

If two charges repel each other, the charges must be

a)

negative and negative

b)

negative and positive

c)

open and closed

d)

positive and positive

4.
Sally is creating a model to show what happens when electricity is used.  She decided to show the motor spinning below as her model. How could she best explain what is happening?
a)
Electric energy is transformed into energy of motion.
b)
Heat energy is transformed into energy of motion.
c)
Heat energy is transformed into electric energy.
d)
Electric energy is transformed into light energy.
5.
Will the light bulb light up if the switch remains open as shown?
a)
Yes, because the circuit will be complete.
b)
Yes, because the battery will push the electric current.
c)
No, because the electric circuit is not complete.
d)
No, because the battery will push the electric current.
6.
The circuit  lights the light bulb. What is the purpose of the switch in the circuit?
a)
to push the electric current
b)
to open and close the circuit
c)
to insulate the circuit
d)
to make the electricity
7.
Jill finds that all of the electric cords in her school are covered in plastic. Why is it important to cover the electric cords with plastic?
a)
Plastic is an insulator.
b)
Plastic is a conductor.
c)
Plastic is strong.
d)
Plastic will melt.
8.
Would these magnets repel or attract? 
a)
Repel
b)
Attract
9.
Would these magnets repel or attract? 
a)
Repel
b)
Attract
10.
A student drew the model below to show the strength of a magnet.  It shows paper clips attracted to a magnet. Why did she most likely draw the paper clips where she did?
a)
Magnets are stronger at the poles.
b)
Magnets are stronger in the middle.
c)
The middle of a magnets repels paper clips.
d)
The poles of magnets repel paper clips.
11.
A student created the model of an electromagnet shown below. How could she best explain why the paper clip stuck to the nail?
a)
The electric current in the circuit magnetized the nail.
b)
The paper clips were magnets.
c)
The electric current in the circuit melted the nail.
d)
The nail heated up causing it to become a magnet.
12.
A student built four electromagnets with different cores.  Everything else about the electromagnets was the same.    Which of the following cores would make her electromagnet the strongest?
a)
iron
b)
nickel
c)
wood
d)
plastic
13.
The electrician in this picture is wearing rubber gloves for protection.  The purpose of the rubber gloves is to --
a)
keep the electrician dry
b)
create an electrical circuit
c)
produce electricity
d)
protect the electrician
14.
Which of these substances conducts electricity the best?
a)
wood
b)
brick
c)
copper
d)
plastic
15.
Glass is a 
a)
conductor
b)
insulator
16.
____________ allows electricity to flow.
a)
A conductor
b)
An insulator
c)
A magnet
17.

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 is divided between the three light bulbs.

18.

A series circuit has ____ path(s) that the electric current can take.

a)

One

b)

Two

c)

Three

d)

Four

19.

This is an example of a _______ circuit

a)

open

b)

series

c)

parallel

d)

switch

20.
What is one problem with using a series circuit? 
a)
It has a lot of series. 
b)
If one light goes down, they all go down! 
c)
It doesn't work properly.
d)
There are no problems. 
21.
What is a benefit of using a parallel circuit?  
a)
It gets confusing.
b)
There are no problems.
c)
If one light goes out, it does not affect the others. 
d)
If one light goes out, they all go out. 
22.
What 'flows' in a wire?
a)
Protons
b)
Neutrons
c)
Atoms
d)
Electrons
23.

Why does a compass needle, point towards the north?

a)

The compass is a bar magnet.

b)

North is up.

c)

It deflects.

d)

It lines up with the Earth's magnetic field.

24.

Iron, Nickel and Cobalt are all __________________ materials.

a)

Shiny

b)

Poles

c)

Magnetic

d)

Cold

25.

What is a temporary magnet?

a)

a magnet that lasts forever

b)

a magnet with a strong force

c)

material that has been magnetized but cannot hold its magnetism for long

d)

any magnet that attracts metals

26.
What device is made of coils of wire with an electrical current passing through it in order to generate a magnetic field?  
a)
Electromagnet 
b)
Generator
c)
Electron Magnet 
d)
Motor
27.
Voltage can be induced in a wire by
a)
a. moving the wire near a magnet.
b)
b. moving a magnet near the wire.
c)
c. changing the current in a nearby wire.
d)
d. all of these
28.
What would happen if I move a bar magnet in and out of a coil of copper wire?
a)
Electric current would disappear 
b)
The magnet would explode 
c)
Electric current will flow through the wire
d)
It would produce a gravitational field
29.
What is one way to increase the current in a wire?
a)
Decrease the number of coils
b)
Increase the number of coils
c)
Move the magnet slower
d)
Take the wire off of the magnet
30.

Why is a battery important in an electrical circuit?

a)

As a source of energy.

b)

As a path for electricity to flow through.

c)

As a connector to connect all parts of a circuit.

31.

When a circuit is open, the lamp is _________?

a)

on

b)

off

32.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
33.
The mathematical relationship among Voltage, Current, and Resistance
a)
Faraday's Law
b)
Tesla's Law
c)
Edison's Law
d)
Ohm's Law

Similar Resources on Wayground

ECP Chapter 25: Waves Review

34 questions

ECP Chapter 25: Waves Review

quiz

Worksheet

•

9th Grade

Motion Test Review

34 questions

Motion Test Review

quiz

Worksheet

•

9th Grade

12. Motion in 1D

30 questions

12. Motion in 1D

quiz

Worksheet

•

9th - 11th Grade

Optics and Its Applications

31 questions

Optics and Its Applications

quiz

Worksheet

•

8th Grade

Weight, Friction, and Equlibrium

28 questions

Weight, Friction, and Equlibrium

quiz

Worksheet

•

11th Grade

BGCS Unit One Assessment

28 questions

BGCS Unit One Assessment

quiz

Worksheet

•

9th - 12th Grade

Temperature and Heat

28 questions

Temperature and Heat

quiz

Worksheet

•

1st Grade - Professio...

Light and Optics 8.5 - 8.7

33 questions

Light and Optics 8.5 - 8.7

quiz

Worksheet

•

8th Grade