论文部分内容阅读
物质的密度是初中物理的重难点,学生对物质的密度理解首先要理解物质的概念,如何让学生正确认识和理解密度的含义,以下是笔者的一些理解。
The density of matter is the heavy difficulty of junior middle school physics. Students’ understanding of the density of matter first needs to understand the concept of matter. How to make students understand and understand the meaning of density correctly is the author’s understanding.