How do you make an electromagnet stronger?

add more wire coils and/or batteries

Add more light bulbs and/or wire coils

add more wire coils and/or a switch

How are electromagnets different from magnets?

you can turn an electromagnet on/off

magnets have a North and South pole

What is a switch's function in a circuit?

turn on and off the flow of current

to make the current hotter or colder

to add more power to the circuit

What is true about electricity and magnetic fields?

Electricity always creates a magnetic field.

Electricity is needed to create any magnet.

Electricity is stronger than a magnetic field.

Electricity prevents magnetic fields from occurring.

Earth's magnetic field and a bar magnet attract particles to the same locations. Where are they?

First to the middle, then to the ends

Magnets that are arranged like this will _______.

move towards each other (attract)

move away from each other (repel)

These magnets will _______.

move away from each other (repel)

move toward each other (attract)

Which of the following is caused by static electricity?

a lightning strike during a storm

a stove getting hot when it is turned on

a magnet being attracted to a refrigerator

a light bulb coming on when a switch is turned on

Why does a Van de Graaff generator make your hair stand up if you touch the dome?

The electrons gather on the hair ends and repel each other.

The current is trying to flow out of the hair ends.

The hair is repelled by the dome of the Van de Graaff generator.

The hair is attracted to the surrounding air.

The picture shows an electrical circuit. This circuit is a series circuit because:

The same current flows through all three light bulbs.

The electrical current is divided between the three light bulbs.

Which best describes a parallel circuit?

Electricity flows along more than one pathway.

Electricity flows along one pathway.

The flow of electricity comes from one source.

The flow of electricity comes from more than one source.

Which best describes a series circuit?

The same current flows through both light bulbs.

The current is divided between the light bulbs.

What is one benefits of using a parallel circuit?

If one goes down, it does not affect the others.

Electricity and Magnetism Review

Authored by Andy Patron

Science, Physics, Computers

8th Grade

39 Questions

NGSS covered

Used 64+ times

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Content View

Student View

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

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

45 sec • 1 pt

True or False: All metals stick to magnets.

True

False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Where is the force of attraction the strongest on a 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

A magnet will attract scissors if the scissors contain:

copper

aluminum

gold

nickel

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

Ruler

magnet

compass

magnetic field

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following factors influences the strength of the electromagnet?

Shape of the coil

Number of turns of coil

Types of current

Colour of the core

Tags

NGSS.MS-PS2-3

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Electricity and Magnetism Review

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

What will happen when these magnets are brought close together?

True or False: All metals stick to magnets.

Where is the force of attraction the strongest on a magnet?

A magnet will attract scissors if the scissors contain:

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

Which of the following factors influences the strength of the electromagnet?

The direction of magnetic field produced by a current flowing through a straight conductor can be determined by

How do you make an electromagnet stronger?

How are electromagnets different from magnets?

Access all questions and much more by creating a free account

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