in education from the sociological perspective and present a case study which examines the developmen of Physical Education through play of primary education. In doing this, we have combined the use of participant observation and sociograms within an ethongraphic framework. Throught our research, we demostrate how, by working on emotions in the teachin of Physical Education, we can make a positive contribution to socialisation. This is possible because it is easier to develop positive emotions -and more effectively channel and constrain negative emotions- when we handle situations of cooperation and competition within a privileged socializing framework such as play