a
)
Mass
is
usually
measured
in
____________________
or
____________________
(
g
or
kg
)
.
b
)
Volume
is
usually
measured
in
____________________
or
____________________
(
ml
or
l
)
.
c
)
There
are
a
____________________
mililitres
in
a
litre
.
d
)
A
mililitre
is
equivalent
to
____________________
cubic
centimetre
.
e
)
We
calculate
density
in
____________________
per
cubic
centimetre
.
