a ballon has a shiny metallic appearance & a balloon is a kind of object ->  a shiny metallic balloon is a kind of object  a shiny metallic balloon is a kind of object & shiny objects reflect light ->  the shiny metallic balloon is an object that reflects light  the shiny metallic balloon is an object that reflects light & light reflecting off of an object causes that object to be visible to the observer -> the shiny metallic balloon is visible because it reflects light