日常教学中,概念转变是学生获得知识、积累知识的重要过程.由于每个人掌握的知识、积累的经验、认知能力和生活环境的差异,使得学生在学习科学概念之前头脑里并不是一片空白,学生头脑已经存在许多能解释自然现象的概念,也就是前概念.如果这个前概念与科学概念的认识不一致就叫做迷思概念.为了让学生更好地建构科学概念,教师们应在课前初步了解学生的迷思概念,并有针对性地进行教学设计,实现概念转变.本文结合笔者多年积累的科学课堂 In daily teaching, the concept of change is an important process for students to acquire knowledge and accumulate knowledge.Because each person’s knowledge, accumulated experience, cognitive ability and living environment differences, making students not mind before learning the concept of science is not a blank , The student’s mind already has many concepts that can explain the natural phenomenon, that is, the former concept.If this inconsistency between the former concept and the scientific concept is called the myth concept, in order for students to better construct the concept of science, teachers should A preliminary understanding of the concept of student myths, and targeted teaching design, to achieve the concept of change.In this paper, the author has accumulated many years of science classroom