a sample is a kind of matter & a sample in a cylindrical container has a cylindrical shape and a fixed volume ->  the matter has the same shape as the container and fixed volume  the matter has the same shape as the container and fixed volume & matter with variable shape changes shape in different container ->  the matter may have a variable shape and a fixed volume  the matter has the same shape as the container and fixed volume ->  the matter may have a fixed shape and a fixed volume  the matter may have a variable shape and a fixed volume & the matter may have a fixed shape and a fixed volume ->  the matter may have a fixed or variable shape and fixed volume  matter in the solid phase has definite volume & matter in the solid phase has definite shape ->  matter in solid phase has definite volume and definite shape  matter in the liquid phase has definite volume & matter in the liquid phase has variable shape ->  matter in the liquid phase has a variable shape and definite volume  the matter may have a fixed or variable shape and fixed volume & matter in solid phase has definite volume and definite shape & matter in the liquid phase has a variable shape and definite volume -> the matter may be in solid phase or in liquid phase