所谓分层次教学指教师在教学活动的过程中,根据学生掌握知识的基础、自身的学习能力、性格特点等将学生分成不同的群体,对不同的学生运用不同的教学模式,最终达到使得每个学生等级的学习都有所进步,成绩都有所提高的目的.物理是一门集抽象性与思维性于一体的学科, The so-called hierarchical teaching refers to the teachers in the teaching activities in the process, based on the students grasp the basis of knowledge, their learning ability, personality characteristics such as students divided into different groups, different students use different teaching modes, and ultimately achieve each The students’ grades have been improved and their grades have been improved.Humanity is a subject that combines abstractness and thinking in one body,