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

point to the Earth's magnetic North pole

point to the Earth's South pole

point to the Earth's geographic North pole

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

curved lines from N to S pole and outwards

lines extending outward in all directions like drawing the Sun

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

Electromagnets include a nail inside the coils.

Solenoids do not use a power source.

Solenoids include a nail inside the coils.

Which will make an electromagnet WEAKER?

remove one of the nails from the coils

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

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

the lines would connect between the poles

the lines would curve like an "S"

since South poles repel, there would not be any lines

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

its strength can be increased and decreased

it does not need any electricity

What type of materials are needed to create an electromagnet?

battery, coil of wire, iron core

battery, light bulb, plastic straw

switch, source of electricity, compass

Moving a permanent magnet through a coil of wire will

a current will be generated in the wire

the wire will become an electromagnet

the magnet will become electrified

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

The overloaded bulb will blow out.

The bulb brightness stays the same.

A complete, closed path through which electric charges flow

The buildup of electric charges

Opposition to the flow of charge

Electricity, Magnetism and Electromagnetism

Authored by Angela Bellini

Science

7th Grade

NGSS covered

Used 28+ times

Electricity, Magnetism and Electromagnetism

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50 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

_______ magnets have a North pole and a South pole.

Some

All

Broken

Tags

NGSS.MS-PS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The relationship between electricity and magnetism is called

electrical energy.

induced current.

electromagnetism.

ferromagnetism.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

Add more coils of wire to the nail.

Use a smaller battery.

Reverse the poles of the magnet.

Remove all the coils and the nail.

Tags

NGSS.MS-PS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Surrounding every magnet is a(n) .

magnetic field

electrical current

smaller magnet

funny saying

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What kind of magnet can be turned on and off?

a refrigerator magnet

an electromagnet

magnetite

iron

Tags

NGSS.MS-PS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

attract

repel

create sparks

cancel each other out

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

attract

repel

create sparks

cancel each other out

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

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Electricity, Magnetism and Electromagnetism

_______ magnets have a North pole and a South pole.

The relationship between electricity and magnetism is called

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

Surrounding every magnet is a(n) .

What kind of magnet can be turned on and off?

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

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

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

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

Which of the following is NOT magnetic?

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Discover more resources for Science

Electricity, Magnetism and Electromagnetism

_______ magnets have a North pole and a South pole.

The relationship between electricity and magnetism is called

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

Surrounding every magnet is a(n) __________ __________.

What kind of magnet can be turned on and off?

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

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

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

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

Which of the following is NOT magnetic?

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Surrounding every magnet is a(n) .