Quiz about Electricity, Magnetism and Electromagnetism

Question 1

_______ magnets have a North pole and a South pole.

Accepted Answer

All

Answer

No

Answer

Some

Answer

Broken

Question 2

The relationship between electricity and magnetism is called

Accepted Answer

electromagnetism.

Answer

electrical energy.

Answer

induced current.

Answer

ferromagnetism.

Question 3

This is a picture of a simple electromagnet. How can the electromagnet be made stronger?

Accepted Answer

Add more coils of wire to the nail.

Answer

Use a smaller battery.

Answer

Reverse the poles of the magnet.

Answer

Remove all the coils and the nail.

Question 4

Surrounding every magnet is a(n) __________  __________.

Accepted Answer

magnetic field

Answer

electrical current

Answer

smaller magnet

Answer

funny saying

Question 5

What kind of magnet can be turned on and off?

Accepted Answer

an electromagnet

Answer

a refrigerator magnet

Answer

magnetite

Answer

iron

Question 6

When two magnetic North poles are brought close to each other, they will

Accepted Answer

repel

Answer

attract

Answer

create sparks

Answer

cancel each other out

Question 7

When two magnetic South poles are brought close to each other, they will

Accepted Answer

repel

Answer

attract

Answer

create sparks

Answer

cancel each other out

Question 8

When a magnetic South pole is brought close to a magnetic North pole, the magnets will

Accepted Answer

attract

Answer

repel

Answer

create sparks

Answer

cancel each other out

Question 9

When a magnet is able to move freely, its North pole will

Accepted Answer

point to the Earth's magnetic North pole

Answer

spin wildly

Answer

point to the Earth's South pole

Answer

point to the Earth's geographic North pole

Question 10

Which of the following is NOT magnetic?

Accepted Answer

zinc

Answer

iron

Answer

cobalt

Answer

nickel

Question 11

When magnetic field lines are drawn, how do they look?

Accepted Answer

curved lines from N to S pole and outwards

Answer

straight lines

Answer

criss-crossed lines like X's

Answer

lines extending outward in all directions like drawing the Sun

Question 12

What's the difference between a solenoid and an electromagnet?

Accepted Answer

Electromagnets include a nail inside the coils.

Answer

Solenoids do not use a power source.

Answer

Solenoids include a nail inside the coils.

Answer

Electromagnets do no use wire.

Question 13

Which will make an electromagnet WEAKER?

Accepted Answer

remove one of the nails from the coils

Answer

more coils of wire around nail

Answer

an extra battery attached

Answer

thicker wire

Question 14

If two magnetic South poles are brought near each other, what would the magnetic field lines look like?

Accepted Answer

the lines would move out, but then curve away from each other

Answer

the lines would connect between the poles

Answer

the lines would curve like an "S"

Answer

since South poles repel, there would not be any lines

Question 15

A magnet is attracted to a soup can because the can has

Accepted Answer

iron in it.

Answer

a South pole.

Answer

a North pole.

Answer

a magnetic field.

Question 16

Atoms that have a positive charge will be ATTRACTED to atoms with a ___________ charge.

Accepted Answer

negative

Answer

positive

Answer

neutral

Question 17

The magnetic field of a magnet is ____________ further away from the magnet.

Accepted Answer

weaker

Answer

stronger

Question 18

Electric charges that DO NOT move through a current are known as

Accepted Answer

Static Electricity

Answer

Magnetic

Answer

Electric

Answer

Electromagnetism

Question 19

An example of an electromagnet

Accepted Answer

motor

Answer

water bottle

Answer

paper

Answer

glass

Question 20

current flowing through a wire is surrounded by a/an

Accepted Answer

magnetic force

Answer

force field

Answer

nothing

Question 21

electrons have this type of charge

Accepted Answer

negative

Answer

positive

Answer

neutral

Question 22

protons have this type of charge

Accepted Answer

positive

Answer

negative

Answer

neutral

Question 23

when the number of electrons matches the number of protons, the atom's charge is...

Accepted Answer

neutral

Answer

positive

Answer

negative

Question 24

When your hair stands on end, each strand repelling the other, you are experiencing

Accepted Answer

static electricity

Answer

magnetism

Answer

ghosts

Question 25

If a light bulb is added to a circuit and it turns on, what can we say about this circuit?

Accepted Answer

unbroken

Answer

open

Answer

incomplete

Answer

off

Question 26

What is a complete path through which electric charges can flow called?

Accepted Answer

electric circuit

Answer

magnetic pole

Answer

electric resistance

Answer

magnetic field

Question 27

What do you make if you wrap a current-carrying wire around an iron bolt?

Accepted Answer

electromagnet

Answer

electric motor

Answer

generator

Question 28

What is the region of force around a magnet known as?

Accepted Answer

magnetic field

Answer

magnetic pole

Answer

magnetic domain

Answer

lodestone

Question 29

What makes an electromagnet different than a permanent magnet.....select all that apply

Accepted Answer

it can be turned on and off

Accepted Answer

its strength can be increased and decreased

Accepted Answer

its polarity can be reversed

Answer

it does not need any electricity

Question 30

What type of materials are needed to create an electromagnet?

Accepted Answer

battery, coil of wire, iron core

Answer

battery, light bulb, plastic straw

Answer

generator, iron core, switch

Answer

switch, source of electricity, compass

Question 31

Moving a permanent magnet through a coil of wire will

Accepted Answer

a current will be generated in the wire

Answer

demagnetize the magnet

Answer

the wire will become an electromagnet

Answer

the magnet will become electrified

Question 32

A material that allows the free flow of electric charges.

Accepted Answer

Conductor

Answer

Insulator

Answer

Semiconductor

Question 33

The three basic components of a circuit are

Accepted Answer

wires, load, energy source

Answer

load, energy source, magnets

Answer

wires, load, solenoid

Answer

energy source, iron core, load

Question 34

Which direction will the electricity travel?

Accepted Answer

Positive to negative

Answer

Neutral to positive

Answer

Negative to positive

Answer

Neutral to negative

Question 35

The buildup of charges on an object is called

Accepted Answer

Static electricity

Answer

Current electricity

Answer

Electromagnetism

Answer

Magnetic field

Question 36

What type of material does not allow electrons to flow easily?

Accepted Answer

Insulator

Answer

Semiconductor

Answer

Conductor

Answer

Circuit

Question 37

What is the effect of changing the wire in a circuit from a thick wire to a thin wire?

Accepted Answer

The bulbs become dimmer.

Answer

The overloaded bulb will blow out.

Answer

The bulb brightness stays the same.

Answer

The bulbs become brighter.

Question 38

What is a circuit?

Accepted Answer

A complete, closed path through which electric charges flow

Answer

The buildup of electric charges

Answer

Opposition to the flow of charge

Answer

Electric potential

Question 39

What is the unit of measurement for resistance?

Accepted Answer

Ohms

Answer

Voltage

Answer

Ampere

Answer

Watts

Question 40

As the length of a wire increases, the resistance of the wire will

Accepted Answer

increase

Answer

decrease

Answer

stay the same

Question 41

As the diameter of a wire increases, the resistance of the wire will

Accepted Answer

decrease

Answer

increase

Answer

stay the same

Question 42

What effect does a hotter temperature have on resistance?

Accepted Answer

Increases resistance

Answer

No effect

Answer

Decreases resistance

Answer

Stays the same

Question 43

What other factor of a wire could affect its resistance?

Accepted Answer

Material its made of

Answer

How shiny it is

Answer

Colour

Question 44

Walking across a carpet is a perfect example of charge being transferred by...

Accepted Answer

friction

Answer

contact

Answer

induction

Answer

static electricity

Question 45

If a neutral metal comb is held near an object with a negative charge, the comb will become charged by....

Accepted Answer

induction

Answer

static discharge

Answer

contact

Answer

friction

Question 46

In which of the following materials do charges to flow more easily?

Accepted Answer

metal wires

Answer

glass

Answer

wool

Answer

rubber mats

Question 47

When you charge an electroscope by touching it with a charged balloon, the process is called _____.

Accepted Answer

conduction

Answer

friction

Answer

induction

Answer

grounding

Question 48

The potential difference that causes charges to move in a circuit is ___.

Accepted Answer

voltage

Answer

resistance

Answer

current

Answer

electric discharge

Question 49

An example of a voltage source is a _____.

Accepted Answer

battery

Answer

voltmeter

Answer

resistance

Answer

switch

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