Stage Two: Comparing and Ordering C omparing the masses of objects is the second stage in developing an understanding of mass. Balance scales and see-saws can be used to directly compare the mass of two objects.
(Ordering C; omparing; the masses of objects) (saws; to directly compare; the mass of two objects) (Stage Two; is; the second stage in developing an understanding of mass)
Ordering C saws Stage Two
omparing to directly compare is
the masses of objects
the mass of two objects
the second stage in developing an understanding of mass