What makes human being different from other creatures is the language which is one of the basic characteristics of human beings. However, the corresponding relation between thought and language has been debated over centuries. Human being has always expressed his successes and failures through languge as he has closely identified himself and his environment. Science is the activity within which human being tries to explain the world, and he has not refined what he developed but transferred to next generations. Education, forming the existance of new genarations, has developed the sicence of education. However, the languge as the base of human communication has become a problem in the field of educational science.