a
.
Buoyancy
is
an
____________________
force
which
pushes
the
object
towards
the
surface
of
liquid
.
b
.
Gravity
is
a
____________________
force
which
pushes
down
on
an
object
.
c
.
If
an
object
has
greater
density
than
the
liquid
it
is
in
,
it
will
____________________
.
d
.
If
an
object
is
less
dense
that
the
liquid
it
is
in
,
it
will
____________________
.
e
.
For
an
object
to
float
,
its
density
must
be
____________________
than
the
density
of
the
liquid
it
is
in
.
f
.
Cork
,
with
a
lower
____________________
than
water
,
will
float
.
g
.
Steel
,
with
a
density
eight
time
____________________
than
the
density
of
water
,
will
sink
.
