A balloon has a negative charge. The glass rod has a positive charge. What will happen when the glass rod is brought near the balloon?

The balloon will be attracted to the rod

The balloon will be repelled by the rod

The balloon will remain in place

The balloon will spin in circles

What characteristics do magnetic substances have?

They can push or pull objects without touching them

They can give you a "shock" when you touch them

They are always black and cold to touch

They fall faster than other objects when you drop them

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

These magnets will _______.

move away from each other (repel)

move toward each other (attract)

Students rubbed a balloon across a square of carpet to give it an electrical charge. They found that the charged balloon could pick up pieces of paper. What data could the students collect to tell them if the electric charge on the balloon is getting stronger?

The number of pieces of paper picked up

The length and width of the balloon

The size of the piece of carpet

The distance the balloon was rubbed

If we want to test the strength of electrical forces between a pair of charged objects, which of the following questions should we ask?

What happens when the objects are moved further apart?

How much mass does each object have?

Are the objects made up of the same material?

Does each object sink or float in water?

Two magnets pull on each other. What would make the magnets pull with less force?

Move the magnets further apart.

How are electromagnets different from magnets?

you can turn an electromagnet on/off

magnets have a North and South pole

What is true about electricity and magnetic fields?

They both attract objects at a distance

Electricity is needed to create a magnet.

Electricity is stronger than a magnetic field.

Electricity prevents magnetic fields from occurring.

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.

Which of the following is can increase the amount of static electricity?

holding the balloon further away

Electric and Magnetic Fields

Authored by Corlissa Huddleston

Science

8th Grade

NGSS covered

Used 33+ times

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30 questions

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MULTIPLE CHOICE QUESTION

45 sec • 1 pt

When two magnets are pushed away from one another they ______.

Attract

Pole

Repel

Compass

Tags

NGSS.3-PS2-3

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If you place the North pole of a magnet next to the South pole of another magnet, they will:

Attract

Repel

Do nothing

Shatter

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

MULTIPLE CHOICE QUESTION

2 mins • 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

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Magnets have a north and a south ___________

shape

color

pole

region

Tags

NGSS.3-PS2-3

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Two north poles will attract.

True

False

Tags

NGSS.MS-PS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The force of magnetism is stronger when magnets are ________________

cold

round

closer together

farther apart

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What types of charges repel?

Positive and Positive

Positive and Neutral

Negative and Neutral

Neutral and Neutral

Tags

NGSS.MS-PS2-3

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Electric and Magnetic Fields

When two magnets are pushed away from one another they ______.

If you place the North pole of a magnet next to the South pole of another magnet, they will:

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

Magnets have a north and a south ___________

Two north poles will attract.

The force of magnetism is stronger when magnets are ________________

What types of charges repel?

Walking across a carpet is an example of charge being transferred by

The closer the charges, the ___________ the force between them

A balloon has a negative charge. The glass rod has a positive charge. What will happen when the glass rod is brought near the balloon?

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