In the third intervention it corresponds to a model of intervention in the teaching of health sciences, whose purpose is to promote motivation and awaken the interest of the student by not only addressing issues of science, but positively influencing the construction of new knowledge in high school students with respect to this area. As main results we can mention the improvement in cognition and social skills, the improvement in teacher's practice is highlighted through the intervention in each case, these changes are represented by an effective and creative teaching, better communication between teacher and students and detection of context needs. Finally, we conclude that the action research is a methodology that helps to increase the educational quality through the improvement of teaching practice.