Final revision 4

Natural magnet ........................

• works by electricity

• made by people

• doesn't made by people

Magnet has .......................poles

• one

• three

• two

Magnet attracts some ........................

• wood

• plastic

• metals

.................area or space where attraction force appears

• Magnetic force

• Magnetic field

• electric force

dislike poles ......................each other

• repel

• attract

• push

Electromagnet works by ....................

• force

• motion

• electricity

Electromagnet uses in ................

• school

• doorbell

• steel factory

Electromagnet works by ....................

• force

• motion

• electricity

Like poles .......................each other

• attract

• repel

• pull

What type of magnet that can turned on and off?

• electromagnet

• permanent magnet

• electricity

• battery