Research On The Teaching Practice Of Elemental Compounds Based On The Integration Of Teaching,Learning And Evaluation

In recent years,many countries have shown unprecedented attention to education reform.In 2017,the Ministry of Education declared the new curriculum standards for high school subjects,stressed the significance of revamping teaching evaluation as a key component of the new curriculum reform.In the “General High School Chemistry Curriculum Standards”,chemical core literacy was regarded as one of the basis for the division of academic quality levels for the first time,and the significance of unifying“teaching,learning,and evaluation” was emphatically highlighted.Adopting a variety of teaching evaluation techniques was suggested to foster the comprehensive growth of students.To effectively execute the unified notion of “teaching,learning,and evaluation”,educators should adopt it as their guiding principle,and combine the actual teaching content to design more targeted and efficient classroom teaching cases.The knowledge of elemental compounds is a very important content of high school chemistry.It is not only the basis for students to fully master chemical knowledge,but also an important carrier for cultivating students’ chemical core literacy.Therefore,it is of practical significance to construct the teaching practice research of elemental compounds by unifying “teaching,learning and evaluation”.In this paper,the notion of “teaching,learning,and evaluating” as an closely coordinated teaching idea was taken as the starting point to cultivate students’ chemical core literacy.Firstly,a comprehension of the research standing of both domestic and international scholars on on core literacy,“teaching,learning and evaluation” integration and element compound teaching was understood by combing the literatures.Based on the theory of “mastery learning theory”,“reverse teaching design theory” and “learning evaluation theory”,the concepts of “core literacy”,“integration of teaching,learning and evaluation” and “element compound” were defined according to the characteristics of chemistry.Secondly,the teaching program of elemental compounds based on the integration of “teaching,learning and evaluation” was constructed and the strategies for its implementation were proposed by understanding the current state of “teaching,learning and evaluation” integration via questionnaire surveys of teachers and students,and combining the knowledge peculiarities of elemental compounds with the teaching process of “teaching,learning and evaluation” integration.In the end,the teaching practice of elemental compounds was executed in accordance with the devised teaching technique and the formulated teaching plan.The results of teaching practice are as follows:(1)students’ chemistry learning performance has been improved;(2)students’ enthusiasm in chemistry studying has been promoted;(3)students’ classroom learning behavior has been modified;(4)students’ knowledge system of cognitive element compounds has been gradually perfected;(5)Students’ chemical core literacy is gradually generated.Based on the theoretical and practical research on the teaching of elemental compounds based on the integration of “teaching,learning and evaluation”,the research conclusions are obtained:(1)based on the integration of “teaching,learning and evaluation”,some practical teaching cases are provided for front-line teacher;(2)teachers’ educational and teaching concepts are changed,the efficiency of students in the classroom is heightened;(3)the varied assessment patterns in high school classrooms is achieved,and the promotion of enhancing students’ chemical core literacy is ultimately promoted.