Page 153 - DK Children's Encyclopedia

Magnets SEE ALSO

▸ ▸ Compass p.70
▸ ▸ Earth p.83
Magnets are objects that other magnets and some metals ▸ ▸ Electricity p.87
stick to. They have two sides, or ends, called poles. The ▸ ▸ Inside Earth
area all around the magnet where the magnet acts is called p.135

the magnetic field. ▸ ▸ Forces p.108
▸ ▸ Materials p.157

Magnetic materials Magnetic force
Materials that magnets Two identical poles repel each other,
stick to are called magnetic pushing each other away. Two opposite
materials. Any metal that poles attract each other and stick.
contains iron is magnetic,
but most metals are Two south poles push
each other apart.
not magnetic.
N S S N

S N S N

A north and a south pole
attract each other.
This paperclip is
being attracted
to the magnet.
Magnetic field
The magnet acts on things that are nearby.
The region where the magnet attracts or
repels magnetic materials is called the
magnetic field.
Magnetic field
lines travel from
north to south.

N

The largest
magnet on Earth S
is Earth itself. The paperclips
contain iron,
The whole planet so they stick
is a magnet with to the magnet.
two poles. The magnetic
field is strongest
at the poles.
151

US_151_Magnets.indd 151 16/05/2017 09:49