众所周知,以往我们的学生相对于国外的学生来说,学生的学习压力更大,课业负担更重。但是,随着我国的教育不断深化改革,教育教学方法越来越科学合理,原本依靠补课来完成教学任务的现象也逐渐得到改善。因此,要想让学生能够在轻松、自由的环境中获得知识,我们必须不断优化课堂的教学方法。一、明确教学目的、教学任务老师在开始授课之前,应当明确本节课的教学目的。例如要想让学生明白什么是质量守恒定律,在课程快结束时,老师 As we all know, in the past our students relative to foreign students, students are more pressure to study, the burden of homework heavier. However, with the continuous deepening of education reform in our country, education and teaching methods are becoming more and more scientific and rational, and the phenomena of relying on supplementary courses to complete teaching tasks have also been gradually improved. Therefore, in order for students to acquire knowledge in a relaxed and free environment, we must constantly optimize classroom teaching methods. First, a clear purpose of teaching, teaching tasks Before the teacher began teaching, should be clear about the purpose of teaching this lesson. For example, to make students understand what is the law of conservation of mass, at the end of the class, the teacher