coldest blocks icebergs melt Pole liquid freezes ice South
In
winter
water
and
becomes
and
snow
in
cold
weather
.
In
spring
and
summer
ice
and
snow
and
turn
into
water
again
.
The
areas
on
Earth
are
the
North
and
the
Pole
.
These
areas
are
covered
with
giant
of
ice
.
Sometimes
,
large
pieces
of
ice
break
off
and
float
in
the
ocean
.
These
are
called
.