Vocabulary
Electric Charges
Types of Magnets
Magnetic Forces
100

This is something that allows electricity to travel through it.

A conductor

100

What are the three types of electric charge?

Positive, Negative, Neutral

100

This types of magnet cannot be turned on or off.

Permanent magnet

100

Where is a magnet's forces the strongest?

At the poles

200

This is something that does not allow electricity to travel through it.

Insulator

200

Describe an object that has a neutral charge.

The object has the same number of positive and negative charges.

200

This type of magnet can be turned on and off.

Electromagnet

200

What are the poles of a magnet called?

North and south

300

Give an example of a conductor.

Copper wire

300

Two balloons have a positive charge. What will happen when you place them near one another?

They will repel one another.

300

Where does the force in an electromagnet come from?

The battery

300

If you place the north pole of a magnet close to the south pole of another magnet, what will take place?

The two magnets will be attracted.

400

Give an example of an insulator.

Plastic
400

A balloon has a positive charge while a piece of styrofoam has a negative charge. What will happen when you place them near each other?

They will be attracted to each other.

400

What part of an electromagnet can be used to turn it on and off?

The switch

400

If you place the north pole of a magnet close to the north pole of another magnet, what will take place?

They will repel one another.

500

This is when electricity travels between two things that are not touching.

Static discharge

500
What two things affect the strength of an electric force?

The amount of charge and the distance between the objects.

500

This type of magnet is not made by people.

Natural magnet (ex. lodestone)

500

What is a magnetic field?

The space where the force of a magnet acts.

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