百年高中化学教科书中元素周期表的科学本质变迁与启示OA

In order to clarify the evolution of the nature of science in textbooks in the past hundred years,this paper takes the contents of the periodic table of elements as an example,based on the analysis framework of the content of the nature of science,and selects 8 representative chemistry textbooks in high school to study the coverage,presentation mode and relationship with the subject content.The results show that the content of science essence is constantly enriched,highlighting the practical nature of science;It shows the trend of the combination of explicit and implicit,highlighting the depth of science;At the same time,the discipline content is closely integrated,highlighting the scientific system.Finally,on the basis of this,the author draws some relevant enlightenment,in order to provide reference and inspiration for the construction of textbooks.