Sodium borohydride is like magic dust that can make certain things change into something else. Imagine you have some cookies, but you want to turn them into brownies. If you sprinkle sodium borohydride on the cookies, it can help turn them into brownies!
But how does it work? Sodium borohydride has a special power to break apart bonds between atoms. Think of atoms like little Lego blocks that are stuck together. Sodium borohydride can help pull those Lego blocks apart and put them together in a new way.
Scientists use sodium borohydride to do a lot of cool things, like making medicines or cleaning the air we breathe. It's kind of like a superhero that can help create new things and make our world a better place.