“科学世界”是人教版物理教材中的一个版块,共有32处,是对课文内容的补充、扩展和延伸。具体来说,这部分内容的教学功能主要体现在以下几方面:1.有利于扩大学生的知识面。“科学世界”包含的知识面广,概括起来包括以下三类:一是介绍物理科学技术发展 “Science World” is a section of the Physical Education Textbook for People’s Education. It has a total of 32 sections, which supplement, extend and extend the content of the text. Specifically, the teaching function of this part is mainly reflected in the following aspects: 1. It is conducive to expanding students’ knowledge. The “Science World” contains a wide range of knowledge, summed up to include the following three categories: First, the introduction of physical science and technology development