Chaos theory is often associated with post modernism. However, one may make the point that both terms are misunderstood. The point of this article is to define both terms and indicate their relationship. Description: Chaos theory is associated with a definition of a theory dealing with variables (butterflies) that are not directly related to a phenomenon and yet play secondary but forceful stimuli to the emergence of these phenomena. It is post-modern because it suggests that the traditional scientific method of discovery needs improvement and that interpretation of results may be flawed. To understand postmodernism, one must first know what came before it. However, the standard definition is social patterns characteristic to postindustrial societies. To get a better understanding of post modernism, there are two other competing social patterns that still exist today (Macionis: 2005). They are pre-modernism and modernism. They are discussed here.