1引言物理概念是物理现象、物理过程的概括化和抽象化的思维形式,是物理学习或物理思维的基本单位,是物理科学知识的基本组元,是物理基础知识最重要的内容.目前,中学生普遍感到物理难学,究其原因,主要在于学生对物理概 1 Introduction Physical concept is the physical phenomenon, the generalization of the physical process and abstract thinking, is the basic unit of physical learning or physical thinking, is the basic component of physical science knowledge, is the most important part of the basic knowledge of physics.Currently, Middle school students generally feel difficult to learn physics, the reason is mainly due to the students of physics