One of the most important modern methods of teaching in the 21st century is project-based learning(PBL). The best evidence of this popularity may be the simple differences that it represents. Project-based learning has become more than an academic method with a good scientific return. But has become a complex scientific method in terms of scientific establishment and dissemination of students' ideas. This method is most appropriate with the 21st century than any other learning method used in classrooms because of its multiple scientific returns.
Project-based learning is a method of transforming the curriculum into a project where real-life activities and examples are presented to interact with the learner or student. Where the student can reach the contents of realistic and put ideas and exchange with the ideas of others and rethinking and extract ideas from them.