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笔者从事初中物理教学多年,在这些年中目睹物理教材经历了两次大的改动。一次是1989年全市初中物理教材由老式的人教版改为华东版。此次改进在教材和教法上更加注重趣味性、启发性和学生的参与。在教学理念上有了较大的突破。近年来又有一次较大的改动——在原来华东版的基础上对教材重新编排,更加注重学生的自主性学习和研究性学习,更加关注学生的长期发展。毋庸置疑,这前后两次的改革在理论上是成熟的,对培养人才是有积极作用的。但就整个教材某个问题的编写来说,笔者还有某些自己的看法。下面仅就探究物质的密度一节谈谈自己的拙见。
The author engaged in junior high school physics teaching for many years, in these years witnessed the physical teaching material has undergone two major changes. Once in 1989 the city’s junior high school physics textbook from the old version of the PEP to the East China version. The improvements focus more on fun, inspiration and student participation in teaching materials and teaching methods. In the teaching philosophy has a larger breakthrough. In recent years, there has been a major change - based on the original version of East China, the materials were rearranged to pay more attention to students’ autonomous learning and research learning, paying more attention to the long-term development of students. Undoubtedly, the two previous reforms have been theoretically mature and have a positive effect on the cultivation of qualified personnel. However, the preparation of a problem throughout the textbook, I still have some of their own views. The following only to explore the density of matter section to talk about my own humble opinion.