curiosity and creativity are interdependent on each other. only when one is curious about something, can he operate his mind and generate something creative. and when creativity is in full operation and results in things which never existed before, one gets more and more curious about things happening all around him.
but curiosity and creativity are different in that curiosity is the motivating force which needs action for it to become creativity. if one stops at the stage of curiosity, he will end up good for nothing.