| In the physics curriculum standard of our country,the physical concepts are an important aspect of the physical core literacy.It will influence the way of human reasoning and inquiry.Therefore,the physical concepts are situated at the core of the core literacy.Therefore,teachers should focus on the formation and development of physical concepts in the planning of teaching activities from the knowledge points in the past,so the physical concept has become the benchmark of planning teaching activities.It is not easy for many front-line teachers to change their educational ideas and innovate their teaching strategies.How to inspire and provide references for them to improve their teaching programs has become a concern of many scholars.Practice has proved that good teaching cases can provide support and reference for teachers’ teaching reform.With the increase of cases in recent years,many educational institutions or individuals set out to build Internet-based case database for teachers to find and learn,and solve the problem of uneven cases and scattered distribution.However,the current common case database has some problems such as random collection,unclear theme and chaotic structure,which is not conducive to teachers’ learning and reference.For two reasons,this paper attempts to construct a physics teaching case base based on physics concepts,and make efforts to implement the concept of curriculum standards.The main work of this study is as follows:Firstly,the construction scheme of teaching case base based on physical concept is given.By combing and summarizing scholars’ research on physics concepts,this study analyzed and summarized the structure and composition of physics concepts,proposed the construction mechanism of physics concepts,and gave the teaching process based on physics concepts.On this basis,it proposed the idea of building a case base from the three levels of "micro-class teaching","middle-view unit teaching" and "macro-comprehensive teaching".Secondly,the typical cases of various levels are compiled.After constructing the structural framework of the case base,several teaching events that fit each theme level of the case base are selected and compiled as corresponding teaching cases,which are filled into the teaching case base to make them respond to the structure of the case base structurally and correspond to the teaching process based on physical concepts proposed in this study.In terms of content,it can reflect the teaching method based on physical concept under the theme of this level.Finally,the practice of using case base for learning is studied.This study selects the Hyperstar learning platform as the carrier of the case base to construct the high school physics teaching case base based on the physical concept,invites teachers and professional graduate students to browse and learn the case base,and interviews their feelings about the use of the case base.It is concluded that the case base can indeed improve teachers’ ability to prepare teaching based on the physical concept.It is beneficial to teachers’ professional development and improve students’ physics concept.In conclusion,this study can increase learners’ attention to physics concepts and provide them with teaching ideas and designs that can be imitated,make up for the lack of physics concepts in current teaching,and provide feasible teaching methods for comprehensively improving students’ physics concepts. |
