Unit Teaching Practice Of "Electric Energy And Electric Power" To Train Energy View Of Junior Middle School Students For The Core

In the "Compulsory Education Physics Curriculum Standard(2022Edition)",energy is one of the five themes of the course content and plays a pivotal role in junior high school physics.I found that energy-related concept teaching is still a major problem in junior high school physics teaching practice.Difficulties are mainly related to the abstraction of energy and students' ability to integrate knowledge So how can we use energy as the main idea to systematically and comprehensively construct a complete energy knowledge system for junior high school students that has practical significance.The traditional teaching design of lesson by lesson means the knowledge learned by students becomes too fragmented,and the connection between each knowledge point cannot be established.This is not conducive to the formation of students' energy concepts.Therefore,it is necessary to find the relationship between knowledge and develop units by using energy as the main line.The purpose of this paper is to Cultivate Junior Middle School Students' view of energy by means of unit teaching design of the chapter "electric energy and electric power" of physics in junior middle school.In order to achieve the above purpose,this paper first investigates the research status of unit teaching design and teaching around the concept of energy at home and abroad through the literature research method,sorts out several dimensions under the concept of energy in the existing research,and combs out the existing mode of unit teaching design.Combined with the requirements of curriculum standards,this paper expounds the research purpose,significance and methods of this subject,and defines the related concepts such as unit teaching design and energy concept.Secondly,the text analysis method is used to compare and analyze the requirements of mastering the energy concept of junior high school and senior high school,determine the dimension of cultivating the energy concept of junior middle school students,sort out the corresponding energy concept items in the chapter of "electric energy and electric power",summarize the process of unit teaching design,analyze the teaching elements of the chapter of "electric energy and electric power",and then give the case of unit teaching design and carry out practical teaching,In the class teaching under the unit teaching design,each class is connected around the concept of electric energy in the way of mind map,and specific class teaching cases are given.The purpose is to clarify how to pay attention to the integrity and migration of energy knowledge in class,so as to better cultivate the energy concept of junior middle school students.After the unit teaching activities,analyze and evaluate the practical effect under the unit teaching design from multiple angles.Through the analysis of the practical results,it is found that the Unit Teaching Design of "electric energy and electric power" with the cultivation of junior middle school students' energy concept as the core is feasible and effective,and can effectively solve the problems of knowledge disconnection in the current junior middle school physical energy teaching in this study.This paper presents how to define the energy concept system in junior high school physics teaching,and provides operational examples for the system construction of other physics concepts.The process and teaching design of unit teaching design based on the cultivation of energy concept provides a reference teaching basis for how to help junior high school students build a complete knowledge system.