Magnets

electricity

nuclear

magnetism

gravity

iron core

south pole

north pole

magnetic field

They repel.

They attract.

The strength of the magnet is doubled.

They create an electric current.

nickel

rock

cobalt

iron

They can be very heavy.

They are always black and cold to the touch.

They fall faster than other objects when you drop them.

They can push or pull objects they are not touching.

All around the outside.

The North and South poles.

The middle.

First to the middle, then to the ends.

It must be heated.

It has to be touching another magnet.

It must be connected to an electrical source.

It must be lined up with Earth’s magnetic field.

Increase the voltage.

Add an iron core.

Add more coils of wire.

All the above.

Attract

Repel

Do nothing

Explode

Natural

Permanent

Temporary

Electromagnet

A

B

C

D

A

B

C

D

A

B

C

D

A

B

C

A

B

C

A

B

C

A

B

C

D

A

B

C

D