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

An electromagnet's poles may be reversed by:

changing the direction of current flow

decreasing the voltage of the coil

altering the material used to make the coils

Where is Earth's magnetic field strongest?

Where the lines are close together at the poles

Along the inside lines on either side

In the space outside of the lines

What will happen when these magnets are brought close together?

Both magnets will turn to the left

Both magnets will turn to the right

How are electromagnets different from magnets?

you can turn an electromagnet on/off

magnets have a North and South pole

If you drop or heat up a a magnet, what will eventually happen to it?

the magnet will become stronger

Magnetic poles and electric charges are similar in that...

like poles repel and opposites attract

magnetic force is equal to electric force

You can make an electromagnet stronger by...

increasing the current through the wire

increase the number of loops around the core

Are the magnetic field lines in the picture correct?

Yes, because they point from north to south.

No, because they point from north to south (they're supposed to go the other way).

Yes, because the North pole is on the left in all pictures.

No, because the North pole is on the left in all pictures (it's supposed to be on the right).

How could you increase the strength of a magnetic field in a coil?

use an iron core and increase the size of the current

use an iron core, decrease the number of turns of wire

increase the voltage and decrease the number of turns

increase the number of turns and decrease the current

Electricity and Magnetism

Quiz

•

Physics, Other

•

7th - 10th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS2-3, MS-PS2-5, HS-PS2-5

+6

Standards-aligned

Isaac Skalsky

Used 40+ times

FREE Resource

42 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

positive

negative

neutral

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This force occurs when ions/atoms create attractive and repulsive forces.

Magnetic

Electric

Electromagnetism

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This force occurs when there is an attractive and repulsive force between two poles.

Magnetic

Electric

Electromagnetism

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

stronger

weaker

Tags

NGSS.MS-PS2-3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What makes an electromagnet stronger?

greater number of loops

smaller number of loops

decreasing the current

decreasing the voltage

Tags

NGSS.MS-PS2-3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An example of an electromagnet

water bottle

paper

motor

glass

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a magnet the opposite poles will ___________.

attract

repel

Tags

NGSS.MS-PS2-3

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

This force occurs when ions/atoms create attractive and repulsive forces.

This force occurs when there is an attractive and repulsive force between two poles.

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

What makes an electromagnet stronger?

An example of an electromagnet

In a magnet the opposite poles will ___________.

current flowing through a wire is surrounded by a/an

current flowing through a wire is surrounded by a/an

when electrons all spin in the same direction, they create an invisible force known as

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