Which is the biggest ocean on the Earth?
Planet Earth
246
Earth as
a magnet
Have you ever used a
compass to find your way?
It works because the Earth
acts as if it has a giant
bar magnet in the middle.The Earth is the planet
where we all live. It is a
huge ball of hot, liquid
rock with a solid surface
called the crust. Planet
Earth travels in space.
Our planet
The Earth’s surface
There are seven huge pieces
of land on the Earth’s surface.
They are called continents. They
cover about one-third of the
surface. Oceans cover the rest.
Spinning Earth
The Earth slowly spins around
once a day. The line it spins around
is called the Earth’s axis. At the ends
of the axis are the Earth’s poles.
North
PoleThe Earth’s
axis goes
through
its poles.The
Earth’s
(^) a
xi
s.
..
South
Pole
(^)
..
.
is
(^) t
il
te
d
to
(^) on
e (^) side.