Analysis Of Energy Knowledge In Senior High School Physics Textbooks And College Entrance Examination Questions ——Take The 2017 PEP Senior High School Physics Textbook And The National High School Entrance Examination Questions In

The new curriculum reform puts forward the requirement of developing students' physical core literacy.One of the four dimensions of physical core literacy is physical concept,and energy-related knowledge is an important part of physical concept.The physical movement is accompanied by the change of energy.The knowledge of energy runs through the whole senior high school physics curriculum,and the concept of energy plays an important role in senior high school physics teaching.Physics textbook is an important resource for teachers to prepare lessons,and it is also the first-hand information for students to learn.Therefore,the energy knowledge part of physics textbook is selected for research,hoping that the teaching function of physics textbook can be better brought into play.The college entrance examination affects the teaching to a certain extent,and the new situation of energy knowledge in the college entrance examination questions is explored,which provides some references for physics teaching in Senior Three.The paper determined that the objects to be studied were the physics textbooks for senior high schools published by People's Education Edition in 2017 and the national unified examination questions for college entrance examination in 2017-2021.From them,the contents related to energy knowledge were selected for statistical analysis based on the dimensions of energy connotation,and the knowledge frameworks of mechanics,electromagnetism,thermodynamics,optics and atomic physics modules were built respectively.It was found that each module was interrelated and the level of knowledge was spiraling,so the study of energy-related knowledge was helpful to promote students' knowledge.In recent five years,the examination frequency of energy-related knowledge in the national college entrance examination questions is high,and the scores of multiple-choice questions and selected questions are large.Multiple-choice questions mainly examine energy-related knowledge in mechanics,electromagnetism,optics and atomic physics,while selected questions mainly examine energy-related knowledge in thermodynamics.The frequency of examining kinetic energy theorem in calculation questions is relatively high.Although the score is relatively low,kinetic energy theorem equation is generally the bridge of the whole question in calculation questions.The experimental examination verifies kinetic energy theorem combined with paper tape kinematics formula,and the electric power of small bulb in circuit.Most of the calculation problems are multi-process analysis based on the conventional model,to find the critical position and analyze the energy conversion of each part.This paper puts forward some suggestions on the teaching of energy-related knowledge: teachers should take the initiative to establish an energy knowledge framework and guide students to transfer their knowledge;Infiltrate the history of physics into teaching,stimulate students' interest in learning physics,and strengthen the integration of disciplines;Teachers collect information about China's "energy" development and local characteristics to promote students' national self-confidence;Teachers summarize the problem-solving methods of exercises involving energy knowledge,and statistically analyze the types and scores of energy-related knowledge in college entrance examination questions,so that students can better understand the problem-solving ideas of energy-related knowledge.