A teacher carries a big responsibility in her classroom. One reason is that all students depend on her/him. Everything the teacher says will have an impact on the students. If the teacher feels joy of feels anger, it will be spread among children because the attitudes of the teacher gets contagious. If the teacher laughs, students also laugh. Teachers are responsible for the social behavior in the classroom. If something goes wrong the only responsible is the teacher evenif it was not their foul