Magnets

The natural magnet is made of one of the iron ores called

• Magnetite

• Magnesia

• magnetism

• Hematite

is the ability of the magnet to attract magnetic materials.

• Magnetite

• magnetism

• magnesia

• gravitional force

Materials that can be attracted to the magnet.

• Magnetic materials

• Non-magnetic materials

• Magnetic force

The black rock has an attraction force to any material made of

• Copper

• Aluminum

• Iron

• Silver

If you put a magnet near a magnetic material it will

• repel it

• attract it

• eat it

• has no effect on it

The natural magnet was discovered more than ................ years ago.

• 2000

• 3000

• 4000

• 5000

All the following materials are not attracted to the magnet except..............

• paper

• glass

• wood

• nickel

All the following materials are attracted to the magnet except .....................

• iron

• nickel

• cobalt

• chalk

Magnets are divided into ............ types

• two

• three

• four

• five

...................., ........................ & ....................... are examples of artificial magnets.