任教中年级,常常会碰到这样的情况:任凭老师怎样卖力地讲,学生还是自己玩自己的,似乎无动于衷。究其原因,重要的一点便是学生缺乏一种动力——学习兴趣,而中年级学生的特点便是:好动、精力不集中、玩心太强,对一切感到新鲜有趣,他们的行为往往从兴趣出发,在很大程度上受感情支配。一位教育家曾经说过:“兴趣是创造欢乐和光明的教学环境的 Teach middle school, often encounter such a situation: despite the teacher how hard to say, students still play their own, it seems indifferent. The reason, the important point is that students lack a motivation - learning interest, while the characteristics of middle-grade students are: restlessness, lack of concentration, play too strong, everything is fresh and interesting, their behavior often from Interest starting, to a large extent by the emotional control. An educator once said: ”Interest is to create a happy and bright teaching environment