energy in the steam compact has constant size & energy in the steam cord has definite want ->  matter in the liquid phase has definite volume and variable shape  matter in the liquid phase has definite volume and variable shape & indefinite condensing constant ->  matter in the liquid phase has definite volume and indefinite shape  a simple is a mean of drag & imperial are made of energy ->  a compound is made of matter  matter in the liquid phase has definite volume and indefinite shape & a compound is made of matter -> a compound in the liquid phase has definite volume and indefinite shape