We present here the results of the analysis of a pre and posttest taken a group of university students and FacultyBachelor Degree in Chemistry and Geology in the Faculty of Natural Sciences of UNLPam, who studied physics IIduring 2007. This is a matter of basic cycle whose contents are Electricity, Electromagnetism and Physical Optics. Thecourse was administered a questionnaire with the aim of which was one of the indicators that would assess the outcomeof the implementation of a teaching strategy for teaching the energy issue with an integrative view. We believe that theresults obtained indicate that the strategy used to introduce the concept of energy in an integrated way in the differenteducational levels, it is advisable to avoid the dissociation of these concepts to deal with it in different subjects.