Magnets grade 3

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poles

either of two opposing forces or parts, such as in a magnet

field/force

active power, energy, or physical strength; push or a pull

repel

to drive away or force backwards

magnetism

a property of certain kinds of materials that causes them to attract iron or steel

lodestone

a rock that possesses magnetic properties and attracts iron; magnetite

magnet

an object that attracts iron and some other materials by virtue of a natural or inducted force

attract

to cause to come near, as by some special quality or action

North poles face ____________.

north

South poles face _____________.

south

Like poles __________.

repel

Unlike poles ____________.

attract

Magnetic forces attract only ____________ materials.

magnetic

Magnetic forces act at a __________.

distance

A coil of wire with an electric current flowing through it becomes a _________.

magnet

What metals are attracted to magnets?

iron and steel

The earth is like a giant magnet because the core is made of _____.

iron

What happens if two magnets have the same poles facing each other?

they repel

What happens if two magnets have opposite poles facing each other?

they attract

What direction does a compass needle always face?

north

Where were magnets first discovered?

Magnesia/Turkey

What is the name of a naturally occurring magnet

magnetite, lodestone

What can cause a magnet to lose its magnetic properties?

Dropping it over and over or heating it up

How is an electromagnt different from a regular magnet?

An electromagnet can turn on and off

Can we use a battery to make a magnet?

yes because they are electromagnets and make electricity

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