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
____________________
.
