中学德育大纲指出:“各科教师均要教书育人,寓德育教育于各科内容和教学过程各个环节之中”.因此,在教学中应渗透辩证思想,强化辩证转换,指导学生用对立统一规律探究物理问题,培养科学的思想方法.通过这样的努力,不仅使知识传授、方法指导和德育渗透相结合,同时也能起到启迪思维,开发智力,培养能力的作用.下面谈谈常用的几种辩证转换. The secondary school moral education syllabus pointed out: “All teachers should teach and educate people, and moral education should be included in all links and teaching processes.” Therefore, dialectical thinking should be infiltrated in teaching, dialectical transformation should be intensified, and students should be guided to use the unity of opposites. Laws explore physics problems and cultivate scientific thinking methods. Through such efforts, not only the combination of knowledge transfer, method guidance, and moral education penetration, but also the role of enlightening thinking, developing intelligence, and cultivating ability. Several dialectical conversions.