Design And Research On The Classroom Evaluation Of The Subject Of "Chemical Reaction And Energy" In High School Chemistry

Classroom evaluation refers to the evaluation of the students' classroom learning and learning outcomes based on the students' learning.Classroom evaluation should be an important part of classroom teaching.In the classroom teaching,the diagnosis and monitoring of the students' learning process can be realized,and the teachers can make teaching adjustments and improvements in a timely manner.The accurate and fair use of classroom evaluation by teachers not only has an incentive effect on students' learning,but also an important embodiment of teachers' teaching skills.This paper explores how to implement classroom evaluations in the classroom to promote students' chemistry learning.Firstly,based on the existing literature evaluation of classroom evaluation,based on the relevant theories of classroom evaluation,the design framework of classroom evaluation is established,including teaching activities,evaluation questions,assignment criteria,and teacher feedback.This framework is applied to the design of the classroom evaluation of the theme of "Chemical Reaction and Energy".Apply the designed classroom assessment to the classroom to guide student learning.In order to understand the effect of classroom evaluation of this study on students' chemistry learning,the experimental group and the illuminating group were set up by quasi-experimental research.The experimental group used the classroom evaluation,and the control class conducted the class according to the school's original class plan.In the experimental group,the teacher learned the learning difficulties of the students in advance and adjusted the teaching design and design.The performance of the experimental group and the reference group in the case study and classroom evaluation is the source of the data,and the difference analysis between the two groups of students on the evaluation questions is analyzed.Through the results analysis,it is found that the classroom evaluation designed by this study has a positive effect on the students' chemistry achievements.There is a significant difference in the academic performance between the experimental group and the reference group,indicating that the use of classroom evaluation in the "Chemical Reaction and Energy" unit teaching has an important impact on students' academic performance.Specifically,the use of classroom evaluation promotes students to correctly write thermochemical equations;students in the real situation,feel the process of energy changes,know more forms of energy conversion;students experience energy problems,morestudents Can correctly view the value of energy use;students recognize the scientific value and significance of Gas' s law in practical applications.Through research,it proves that the application of classroom evaluation in the theme of "Chemical Reaction and Energy" is feasible,and can improve the teaching effect of this unit and promote the improvement of students' academic achievement on the basis of realizing the integration of teaching-study-evaluation.To lay a solid theoretical foundation for classroom evaluation in the teaching of other subjects in chemistry or other subjects.