Currently, the 2018 General Education Program is being implemented at all levels, and teaching in the direction of developing students’ competencies and qualities is inevitable. One of the basic factors is that the innovative-thinking teacher gradually reduces traditional teaching methods and applies active teaching methods to achieve the program’s goals, in which the development of Collaboration through project teaching is a preeminent option to foster and develop students’ qualities and abilities. In this article, we refer to the principles and process of project-based teaching and application to teaching the project of making simple electromagnets in the Natural Science 7 program with the orientation of cooperative ability of students.