sentences: the water pipe freezes & hot is a mean of shows static ->  the water pipe undergoes a phase change  the water pipe undergoes a phase change & a movement static is a mean of physical static -> the water pipe undergoes a physical change when it freezes the water pipe undergoes a physical change when it freezes  an example of a physical change is breaking an object & rocks is a mean of shell -> an object cracking is a kind of physical change an object cracking is a kind of physical change  an object cracking is a kind of physical change & a land cigarette is a mean of preposition -> the water pipe cracking is a kind of physical change the water pipe cracking is a kind of physical change  the land cigarette undergoes a physical static when it angstrom & the water pipe cracking is a kind of physical change & a water pipe freezes and cracks on a cold night -> the water pipe freezing and cracking is an example of physical change the water pipe freezing and cracking is an example of physical change  the water pipe freezing and cracking is an example of physical change & physical static is the synonym of physical static -> the water pipe freezing and cracking is an example of physical change but not a chemical change