| Online distance education refers to a teaching mode that uses TV and Internet and other communication media to break through the boundaries of time and space.The rise of distance education has greatly impacted the traditional teaching model.Online distance teaching has changed the traditional face-to-face classroom teaching activities between teachers and students,breaking the limitations of the traditional teaching model in terms of teaching conditions,so that students can be free from time and space.Restrictions,which has formed the use of high-quality network resources for learners to acquire knowledge anytime,anywhere.Due to the outbreak of the new coronavirus in the spring of 2020,in order to effectively prevent and control the epidemic as soon as possible and the health and safety of teachers and students across the country,to avoid the occurrence of clustered infections,the Ministry of Education issued relevant policies to postpone the opening of all schools in the country.To prevent students from delaying their learning progress due to the epidemic situation,in this special period,the webcast teaching model is widely used instead of the traditional teaching model.Although the Internet and modern educational technology have been rapidly developed in China,the conditions for online live broadcast teaching have long been available,but since our schools at all levels have been dominated by traditional teaching models,teachers and students have not yet been able to adapt well to this.A new model.This study aims at the application status of webcast teaching in high school chemistry teaching in Yan'an City under the background of new coronavirus.It adopts several methods such as literature research method,questionnaire survey method,interview method,classroom observation method and teaching practice method.The research results of online live broadcast teaching and the author's practical accumulation are mainly divided into the following six parts:The first part is the introduction.It expounds the background of topic selection,the current status of domestic and foreign related research,and the significance of research.The second part is theory and method.First,the theoretical basis of applying webcasting in teaching is explained;secondly,the concepts of webcasting,webcasting education and distance education are defined;finally,the research methods of this subject are introduced.The third part is the survey of the application of webcast teaching in some high school chemistry teaching in Yan'an.Through the distribution of online electronic questionnaires,403 high school students were surveyed on the status of chemistry online live classes,mainly including students 'awareness of online live teaching,the hardware requirements for students to take online live classes,students' classroom experience of online live classes The five parts of the comparison between the live webcast class and the traditional classroom,and the students' learning attitude in the live webcast class.The fourth part is an online interview with 10 high school chemistry teachers about webcast teaching.It mainly includes whether the relevant hardware equipment meets the standard,the difficulty of the teaching platform,the transformation of the teaching method,the classroom interaction between teachers and students,and the learning situation of students.The fifth part is the practical research of webcast teaching in chemistry teaching of Yanan Senior High School.Firstly,the function of live teaching software is introduced,secondly,the teaching practice is carried out through the teaching software,and finally the operation of teaching using this software is analyzed.The sixth part is summary and prospect.First,it summarizes the conclusions of this study;second,it reflects on the shortcomings of this study;and finally,it puts forward the corresponding prospects for the application of webcast teaching in middle school chemistry. |
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