What causes Earth's magnetic field?

Earth's liquid iron core moving around

The gravitational pull of the Sun

Electromagnetic radiation from the moon.

Can you create or destroy energy?

You can create energy, but you can't destroy it

You can't create energy, but you can destroy it

In a system of magnets, where is potential energy stored?

In the magnetic field between magnets

At the north pole of the magnet

At the south pole of the magnet

In the outermost layer of the magnet

What happens to the potential energy in the system, when the magnetic train is moved away from the stationary magnet?

The potential energy increases because the magnet is moved against the magnet force.

The potential energy decreases because the magnet is moved against the magnet force.

Which movement will result in the greatest potential energy increase?

Moving Car 2 one space toward the center magnet.

Moving Car 1 one space toward the center magnet.

Moving Car 2 one space away from the center magnet.

All movements will result in the same change in potential energy.

Which movement will result in the greatest potential energy increase?

Moving Car 2 one space toward the center magnet.

Moving Car 1 one space toward the center magnet.

Moving Car 2 one space away from the center magnet.

All movements will result in the same change in potential energy.

A spaceship is traveling through space. Suddenly, its speed increases. What can you say about the kinetic energy of the spaceship?

The kinetic energy increases as the speed increases.

The kinetic energy decreases as it is converted to speed.

The kinetic energy stays the same because kinetic energy and speed are unrelated.

There is no way to determine what happened to the kinetic energy.

What happens to the energy in a system of magnets when the magnetic force causes two magnets to move?

Some of the potential energy is converted to kinetic energy.

The potential energy in the system increases.

The kinetic energy in the system decreases.

Some of the kinetic energy changes to potential energy.

Julia puts two magnetic toy trains very close to each other on a track. What will happen next, and why?

The trains will move apart because the magnetic force will push the trains away from each other.

The trains will move toward each other because the magnetic force will pull the trains together.

The trains will not move because the magnets are not touching.

How are electromagnets different from magnets?

you can turn an electromagnet on/off

magnets have a North and South pole

Magnetic Fields Unit Review

Quiz

•

Science

•

8th Grade

•

Practice Problem

•

Easy

•

NGSS

MS-PS2-3, MS-PS3-2, MS-PS2-5

+4

Standards-aligned

Tanya Butterfield

Used 6+ times

FREE Resource

36 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Do magnets need to be touching each other in order to attract or repel?

YES

NO

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When the poles of a magnet are the same, the magnets will ________.

attract

repel

repel and then attract

attract and then repel

Tags

NGSS.MS-PS2-3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

For magnets that are repelling, the magnetic field lines...

Connect only to the same magnet

Connect to both magnets involved in the system

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Magnets attract...

nonmetals

plastics

Tags

NGSS.MS-PS2-3

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When the poles of a magnet are opposites, the magnets will ____________ .

repel and then attract

attract and then repel

repel

attract

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the magnetic field lines between two magnets are connected, that means the magnets will _________.

attract

repel

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The two opposite ends of a magnet are called _____ .

magnetic field

magnetic ends

magnetic field lines

magnetic poles

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Magnetic Fields Unit Review

36 questions

Do magnets need to be touching each other in order to attract or repel?

When the poles of a magnet are the same, the magnets will ________.

For magnets that are repelling, the magnetic field lines...

Magnets attract...

When the poles of a magnet are opposites, the magnets will ____________ .

If the magnetic field lines between two magnets are connected, that means the magnets will _________.

The two opposite ends of a magnet are called _____ .

How many variables should be changed in an experiment so that the evidence collected will be as strong as possible.

A line that connects opposite magnetic poles and represents the strength and direction of the magnetic field...

Would one magnet sitting on a wooden desk with nothing else around be considered a system?

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Magnetic Fields Unit Review

36 questions

Do magnets need to be touching each other in order to attract or repel?

When the poles of a magnet are the same, the magnets will ________.

For magnets that are repelling, the magnetic field lines...

Magnets attract...

When the poles of a magnet are opposites, the magnets will ____________ .

If the magnetic field lines between two magnets are connected, that means the magnets will _________.

The two opposite ends of a magnet are called ___________ ______ .

How many variables should be changed in an experiment so that the evidence collected will be as strong as possible.

A line that connects opposite magnetic poles and represents the strength and direction of the magnetic field...

Would one magnet sitting on a wooden desk with nothing else around be considered a system?

Create a free account and access millions of resources

Similar Resources on Wayground

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Discover more resources for Science

The two opposite ends of a magnet are called _____ .