Which of the following is true about a bar magnet?

It is surrounded by a magnetic field.

Its magnetic field is strongest near its center.

The north pole is stronger than the south pole.

The south pole is stronger than the north pole.

What is our best evidence that Earth has a magnetic field?

A compass needle lines up with it

All things fall toward Earth's center

Earth's oceans all have currents

How is an electromagnet different from a permanent magnet?

An electromagnet's magnetism can be turned off.

An electromagnet is smaller and less powerful.

An electromagnet can be built without using metal.

An electromagnet does not attract objects containing iron.

How can the strength of an electromagnet be increased?

by increasing the coils of wire around the iron

by rubbing it with a stronger magnet

by increasing the length of the wire from the battery

by loosening the coil of wire around the iron

How are the domains of a magnet organized?

The domains all point in the same direction

How are the domains of an ordinary piece of metal organized?

The domains all point in the same direction

There is no such thing as domains

How do you increase the strength of an electromagnet?

Increase the electric current and increase the number of coils

Decrease the number of batteries and increase the number of coils

Increase the electric current and decrease the batteries

You cannot strengthen an electromagnet

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

Both halves get a North pole and a South Pole

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

Both halves get only a North Pole

Both halves get only a South Pole

Magnetism

Science, Physics

11th - 12th Grade

NGSS covered

Used 5+ times

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

What will happen when these magnets are brought close together?

They will attract each other.

They will repel each other.

Both magnets will turn to the left

Both magnets will turn to the right

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Magnets have a north and a south ___________

shape

color

pole

region

Tags

NGSS.3-PS2-3

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Iron, Nickel and cobalt are all __________________ materials

Shiny

poles

magnetic

cold

Tags

NGSS.MS-PS2-3

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Where is the strongest attraction force of the magnet?

at the poles

in the middle

above the magnet

below the magnet

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which object would a magnet attract?

a glass bottle

a piece of paper

a metal paper clip
compass

a rubber eraser
magnetic field

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

they repel

they attract

they cancel each other out

the strength of the magnet is doubled

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

True or False: All metals are attracted to magnet.

True

False

Tags

NGSS.3-PS2-3

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Magnetism

What will happen when these magnets are brought close together?

Magnets have a north and a south ___________

Iron, Nickel and cobalt are all __________________ materials

Where is the strongest attraction force of the magnet?

Which object would a magnet attract?

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

True or False: All metals are attracted to magnet.

Which of the following is true about a bar magnet?

A device that uses a free-moving magnetic needle to show direction is a:

The space around a magnet where the force of a magnet can attract best is called__________

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