Quiz about Magnetic Fields Unit

Question 1

What will happen when these magnets are brought close together?

Accepted Answer

They will repel each other.

Answer

They will attract each other.

Answer

Both magnets will turn to the left

Answer

Both magnets will turn to the right

Question 2

Where is the strongest attraction force of a magnet?

Accepted Answer

at the poles

Answer

in the middle

Answer

above the magnet

Answer

below the magnet

Question 3

Which object would a magnet attract?

Accepted Answer

a metal paper clip

Answer

a glass bottle

Answer

a piece of paper

Answer

a rubber eraser

Question 4

What happens when two north poles of a magnet are placed together?

Accepted Answer

they repel

Answer

they attract

Answer

they cancel each other out

Answer

the strength of the magnet is doubled

Question 5

Which of the following is true about a bar magnet?

Accepted Answer

It is surrounded by a magnetic field.

Answer

Its magnetic field is strongest near its center.

Answer

The north pole is stronger than the south pole.

Answer

The south pole is stronger than the north pole.

Question 6

Earth acts like a giant magnet because its center is made up MOSTLY of

Accepted Answer

iron

Answer

granite

Answer

water

Answer

hydrogen

Question 7

Why does a compass needle point north?

Accepted Answer

It lines up with the Earth's magnetic field

Answer

The compass is a bar magnet

Answer

Because north is up

Answer

Because it's magic

Question 8

When two magnets repel, it means that they ________________

Accepted Answer

push apart

Answer

change color

Answer

pull together

Answer

get colder

Question 9

This large crane magnet functions only when the electrical current is ON.  The crane magnet is an example of what type of magnet?

Accepted Answer

Electromagnet

Answer

NIB Magnet

Answer

Ceramic Magnet

Answer

funnel magnet

Question 10

When two magnets attract, they ______________

Accepted Answer

pull together

Answer

push apart

Answer

change color

Answer

get colder

Question 11

The force of magnetism is stronger when magnets are ________________

Accepted Answer

closer together

Answer

cold

Answer

the same shape

Answer

farther apart

Question 12

^{The magnets shown here will}

Accepted Answer

attract

Answer

not move

Answer

repel

Answer

all of the above

Question 13

What do the lines around this magnet represent?

Accepted Answer

Magnetic field

Answer

North Pole

Answer

South Pole

Answer

Magnetic attraction

Question 14

As the distance between two magnets increases (they get farther apart), the force between them:

Accepted Answer

Decreases

Answer

Increases

Answer

Stays the Same

Question 15

If you cut a magnet in half, what happens to the poles?

Accepted Answer

Both halves get a North pole and a South Pole

Answer

One half gets the North Pole, the other half gets the South Pole

Answer

Both halves get only a North Pole

Answer

Both halves get only a South Pole

Question 16

Electricity can be used to create a magnet.

Accepted Answer

true

Answer

false

Question 17

A magnet can pick up a nail but not a penny because

Accepted Answer

all metals are not magnetic

Answer

all metals are magnetic

Answer

the penny is made of iron and copper

Answer

magnets are not strong enough to pick up pennies

Question 18

What kind of magnet can be turned on and off?

Accepted Answer

electromagnet

Answer

refrigerator magnet

Answer

strong bar magnet

Answer

weak bar magnet

Question 19

The strongest point on a magnet is located

Accepted Answer

at the poles

Answer

In the magnetic field

Answer

in the center of the magnet

Answer

at the north pole

Question 20

What characteristics do magnetic substances have?

Accepted Answer

They can push or pull objects without touching them

Answer

They can give you a "shock" when you touch them

Answer

They are always black and cold to touch

Answer

They fall faster than other objects when you drop them

Question 21

If released, the magnets in this image will....

Accepted Answer

attract

Answer

repel

Answer

first repel, then attract

Answer

do nothing because they are not touching

Question 22

When the purple magnet is moved closer to the yellow magnet, the potential energy will

Accepted Answer

increase because it is moving AGAINST the magnetic force

Answer

increase because it is moving WITH the magnetic force

Answer

decrease because it is moving AGAINST the magnetic force

Answer

decrease because it is moving WITH the magnetic force

Question 23

Which move will result in the greatest increase in potential energy?

Accepted Answer

moving the green train on Track 2 one place to the right

Answer

moving the yellow train on Track 1 one place to the right

Answer

moving the yellow train on Track 1 one place to the left

Answer

moving the green train on Track 2 one place to the left

Question 24

Which setup will have more KINETIC energy when you press RUN in the simulation?

Accepted Answer

Setup 1

Answer

Setup 2

Answer

they will have the same amount of kinetic energy

Answer

there will be no kinetic energy at all

Magnetic Fields Unit

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