Teachers as educators and teachers in order to achieve the mission of education required to further improve its expertise and creative in implementing the learning process in the classroom. As educators and teachers, teachers must have the ability to tackle the problem of learners in a sustainable manner through approaches, methods, and techniques as well as appropriate learning strategies that can increase the potential of the learners optimally. The subject is related to the Natural Sciences (IPA) the learning process carried out by the science teachers are still not actively engage learners and able to think critically. The learning model PBL (Problem Based Learning) offers to teachers in the learning process so that learners are motivated to have the ability to suss out problems in the real situation.