sentences: energy in the steam compact has constant size & matter in the liquid phase has definite volume ->  matter in the liquid phase has definite volume and variable shape  energy in the steam cracks has definite want and constant size & indefinite means variable -> matter in the liquid phase has definite volume and indefinite shape matter in the liquid phase has definite volume and indefinite shape  a simple is a mean of drag & substances are made of matter -> a compound is made of matter a compound is made of matter  matter in the liquid phase has definite volume and indefinite shape & a simple is made of energy -> a compound in the liquid phase has definite volume and indefinite shape