1
.
There
are
three
states
of
matter
:
____________________
,
____________________
and
____________________
.
2
.
____________________
have
a
fixed
____________________
.
3
.
____________________
take
the
____________________
of
their
container
and
they
also
have
a
____________________
top
.
4
.
Some
____________________
can
____________________
and
become
____________________
.
5
.
Liquids
____________________
at
low
temperatures
and
become
____________________
.