Cultivating Model-Based Reasoning in Science Education

Article discussed the importance of thinking in science-based teaching model.Modeling should be something that associated with a frequently asked question and reaching results.Model based thinking is useful for both teachers and students.Modelling allows for students ideas to visualize teachers.Models should be selected taking into consideration the students' patentials. Students can create their own problems evaluate and follow their learning .In spite of  students are able to contribute to those pre-receiving ,they create their own models by being creative.It provides that students can create their own models not as a appliers of the models that are in text books of students.
Question:1-How can model based learning use in classrooms?
              2-What is the role of teachers on model-based learning?