5 ways to make a positive and effective class

First, I think it is really important to have a good learning atmosphere. When people in class are working hard, that will drive others to work harder. Second, student should have a positive attitude to learn. If students participate to class and answer the questions actively, the class will become more and more  effective. Third, students must following the rules, that will decrease many time wasting problem and make the class more effective. Fourth, teamwork is also very important. It can make the class become more creative and everybody will have chance to talk about their thoughts of the problems. Lastly, students must be respect to others.