d impact which this has been proven to have on student's learning. Therefore, it can be stated that Piaget's theories of cognitive development have, and will continue to have a great effect on the manner in which teaching is done. References Athey, I., & Rubandeau, D. (1970). Educational implications of piaget's theory. Waltham, Mass. Ginn-Blaisdell. Inhelder, B., & Piaget, J. (1958). The growth of logical thinking from childhood to adolescence. New York: Basic Books. Inhelder, B., & Piaget, J. (1971). Mental imagery in the child. London: Routledge and Kegan Paul. Inhelder, B., & Sinclair, H. (1974). Learning and development of cognition. Cambridge, Mass. Harvard University Press. Philips, D. (1976, February). Piagetian perspectives on science teaching. The science teacher. vol. 43, No. 2. Piaget, J. (1973). To understand is to invent: the future of education. New York: Grossman Publication. ...