Research On Lecture Experiments In High School Physics Textbook

After the new round of curriculum reform,in 2003,the Ministry of Education issued the physics curriculum standard(Experiment)for full-time senior middle school.The curriculum standard proposed the teaching suggestions to highlight the characteristics of physics and play the important role of experiment in physics teaching.As an important part of high school physics experiment teaching,physics demonstration experiment plays an important role in the reform of high school physics teaching.Good demonstration experiment can make students experience wonderful and rich physics experiment class and improve students' learning efficiency.This requires the physics teacher to use the demonstration experiment reasonably in the classroom teaching.But in the actual teaching,because of the teaching progress,the limitation of experimental instruments,the experimental phenomenon is not obvious,the experimental operation is troublesome and other reasons,the physical demonstration experiment can not be carried out normally,which can not fully reflect the real role of the demonstration experiment in the middle school physics classroom teaching.Based on the above problems,this paper takes the compulsory education textbook of the people's education edition as the carrier,the compulsory education physics curriculum standard as the background,and the purpose of improving the effectiveness of demonstration experiment teaching.Taking the demonstration experiment appearing in the "demonstration" column of the high school physics of the people's education edition as the research object,through literature research,questionnaire,case analysis and other methods to analyze,from the following aspects Conduct research:Chapter one: introduction.It mainly expounds the research background,research problems,research status,research significance and research methods.This paper defines the core concepts of this study,and combs the relevant research development process.The second chapter: through the method of literature research,the following carding is carried out:(1)the demonstration experiments appearing in the "demonstration" column of the old version of the physical textbook of the people's education edition are counted and classified according to the order of compulsory and elective,among which the compulsory series of textbooks involve 7 demonstration experiments and the Elective Series involve 44 demonstration experiments.(2)This paper analyzes the contents of demonstration experiments in textbooks from four aspects: the relevance of the curriculum standard and demonstration experiments,the functions of demonstration experiments in different positions in the textbooks,the form characteristics of demonstration experiments and the content characteristics of demonstration experiments,and draws the following conclusions:(1)the compilation of demonstration experiments in textbooks depends on but is not limited to the curriculum standard;(2)demonstration experiments are carried out in In the teaching materials,the position is reasonable and the form is rich.(3)in the teaching materials,the proportion of electromagnetics and optical demonstration experiments is high,44% and 28% respectively.The proportion of mechanical demonstration experiment is 16%.The third chapter: through the questionnaire,understand the current situation of high school physics demonstration experiment classroom teaching in Hunnan District of Shenyang City,and deeply understand the problems encountered by the front-line teachers in the demonstration experiment,and get the following status:(1)the teachers and students do not pay enough attention to the "demonstration" column;(2)the students' participation in the demonstration experiment classroom is low,and the teaching concept of students as the main body The presentation is not strong;(3)the demonstration experiment is affected by the objective factors such as experimental equipment and experimental phenomena;(4)the compilation of demonstration experiment in teaching materials can be further improved.The fourth chapter: combined with the analysis of teaching materials,the current situation of teaching and related theories,the following improvement strategies are given:(1)improve the teaching effect by improving the compilation of demonstration experiments in teaching materials;(2)improve students' interest in learning by improving their participation in demonstration experiments;(3)enhance the effect of demonstration experiments through multimedia assisted teaching.On the basis of the above research,the problems existing in the demonstration experiment are taken as the starting point,and the general principles of experimental improvement are followed.According to Faraday's law of electromagnetic induction and law of conservation of mechanical energy,the demonstration experiment is improved reasonably by adding quantitative demonstration experiment and combining with multimedia technology,forming corresponding teaching design,hoping to provide some reference cases for physics teachers at the front line of middle schoolThe fifth chapter,based on the previous research,summarizes the existing problems in the research and points out the shortcomings of the research and the future development direction.