Changes when objects are shaped:Paper – It can be folded or cut; the size and shape change, but it’s still paper (physical change).Modeling clay – When shaped, it changes form easily without breaking; it's a flexible solid (reversible physical change).Pin foil (aluminum foil) – It can be crumpled or shaped but still maintains its properties; physical change only.Ripe banana – If peeled or mashed, the shape and texture change. It can also undergo chemical change when it starts rotting.