Design And Practice Of Serial Review Micro-courses In High School Chemistr

The times are developing and education is changing.In recent years,the government has continuously issued documents to promote education informatization.Micro-Lesson as a product of education informatization has achieved certain great outcomes,but there is limited research on the application of micro-lesson in the field of chemistry review.Since the release of the new version of high school textbooks in 2019,there has been limited research on the micro-lesson of "amount of substance " which is a learning difficulty for high school students.Therefore,this paper takes "amount of substance" as an example to study the application of series review micro-lesson.The goal is to develop effective review methods for micro-lesson in real application,solving students’ review difficulties,and cultivating theirs good self-study habits.Moreover,I hope it can provide ideas for future researchers.In terms of above objectives,this paper would carry out theoretical research and practical applications from the following parts.The first part is the introduction,which describes the research background,research topic,research status,research content,research methods,research meanings and research innovation points.The second part is the research basis.which defines the core concepts and introduces the three important theoretical foundations of this article.The third part is the feasibility investigation and analysis of the study.The survey objects are students of three classes which are about to implement teaching experiments.The survey results show that the implementation of this study is feasible.The fourth part is the design of series review micro-lesson.The "amount of substance" series review micro-lessons are designed based on the analysis of academic sentiment and teaching materials.This micro-lesson design contains the ideas of teaching materials design,courseware design,teaching script design and the independent learning task list design.Besides that this paper would display five example cases of series review micro-lesson of "amount of substance".The fifth part is the application and evaluation of the series review micro-lessons.Three classes were selected for teaching experiments.Class A applied traditional way for review process.Class B watched the video of series review micro-lessons.Class C watched the video of series review micro-lessons and completed the independent learning task list.By using SPSS to conduct independent sample t-test,it is found that there is a significant difference between Class A and Class C,which indicated that it is an effective application method when combining the series review micro-lessons with independent learning task list.Moreover,the questionnaire data showed that the difficulty of the "amount of substance" series review micro-lessons is acceptable,and achieved a positive teaching effect.The sixth part is the summary of this study.It summarize the research process and obtain teaching inspiration.The main conclusions and enlightenment are as follows:(1)Review micro-lesson should be used in conjunction with learning task lists.(2)The design of micro-lesson should based on students’ learning situation.(3)Guide students to use micro-lesson resources.(4)Be brave in trying new teaching models.The limitations of the research process were also reviewed to identify shortcomings and accumulate experience for subsequent research.