(A) Air is a matter because it has ……….., …………, and it can be ....... .
(B) The quantity of matter in an object is called its ……… .
(C) The substances which can flow are called ……… .
(D) The state of matter with definite volume but no definite shape is ………. .
(A) Air is a matter because it has weight, mass, and it can be compressed.
(B) The quantity of matter in an object is called its mass.
(C) The substances which can flow are called fluids.
(D) The state of matter with definite volume but no definite shape is liquid.