全国III卷化学反应原理试题 分析与备考建议

论文作者:本站 论文来源:本站 发布时间:2020/12/25

 

高考,是我国现阶段选拔人才的一种最重要也是最公平的方式,深受国家和人民的重视。而高三阶段的复习,是学生稳固基础、快速提升和突破的关键时期,高考成功与否,与高三阶段的复习息息相关。

化学作为高考科目之一,自然是复习的重点。但由于很多教师对《课程标准》、《考试大纲》等高考指导性文件认识不够以及对历年高考试题缺乏研究,导致在高三复习过程,涉及的有些内容过偏、过难,有些重点的知识强化不到位,在挑选试题给学生进行练习时,也常出现与本省高考试题难度不对应的情况,使得复习的时效性较差。

化学反应原理内容作为化学知识体系的重要组成部分,在高考试题中比重较大,但学生在解答该部分内容时,往往畏难情绪较重且得分率较低。那么,化学反应原理内容在高考中到底考什么?怎么考?考到什么程度?需要考生具备什么样的能力呢?对于刚进入一轮复习的同学,他们具备什么样的知识储备呢?面对学生的困惑,有什么好的教学策略呢?如果知道了这些问题,那么高三老师在带领学生复习备考时,将更加具有针对性,教学也更加具有时效性。

本文以《课程标准》和《考试大纲》为基准,对2016-2020年全国Ⅲ卷化学反应原理试题进行了详细的分析研究,并就电化学、水溶液中的离子反应与平衡、化学反应原理综合题等常考题型与全国Ⅰ、Ⅱ卷进行详细的对比分析。总体来说,全国Ⅲ卷化学反应原理试题出题较稳,主要考查化学反应原理基础知识的掌握和应用,从具体考查内容和试题难度来看,全国Ⅲ卷的考查与全国Ⅱ卷接近,与全国Ⅰ卷差别较大。

本文共分为六个部分来介绍。

第一章:介绍了问题的提出、研究现状、研究内容、研究方法和研究意义。

第二章:主要介绍了化学反应原理内容在新课程改革背景下,在不同版本的《课程标准》和《考试大纲》中的要求变化,分析其在高考中的命题趋势。

第三章:重点对全国Ⅲ卷中涉及的化学反应原理内容从题型分布、分值进行详细的统计,找出其考查规律。

第四章:对2016-2020年全国Ⅲ卷化学反应原理常考题型从分值、考查背景、试题呈现方式、解题思路、核心素养考查等角度进行详细的分析,并就高频考点与全国Ⅰ、Ⅱ卷进行详细的对比,找出同一个考纲对应下不同全国卷的出题差异。

第五章:对刚进入一轮复习的三个层次(强化班、重点班、普通班)的学生进行化学反应原理知识调查问卷,并针对调查结果进行详细地统计和分析,结合学生访谈,找出刚进入一轮复习的学生在处理化学反应原理内容时存在的问题。最后对本校部分优秀化学教师进行访谈,了解他们在化学反应原理内容新课教学和复习时的常用的教学策略。

第六章:根据自己的教学实践和对高考试题的研究,再结合学生调查结果分析、教师访谈等提出相应的复习备考建议。

第七章:研究结论与反思不足。

 

关键词:化学反应原理;高考试题分析;备考建议


The Analysis of Chemical Reaction Principle Test Questions in National III Paper for 2016-2020 and the Suggestions

for Exam Preparation

 

Abstract

The college entrance examination is one of the most important and fairest ways to select talents at this stage in China, which is deeply valued by the country and its people. The success of the college entrance exam is closely related to the review of the third year of high school, which is the key period for students to solidify their foundation and quickly improve and breakthrough.

As one of the subjects in the college entrance examination, chemistry is naturally the priority of the review. However, due to many teachers’ lack of understanding of the Curriculum Standards, the Exam Outline and other college entrance exam guiding documents, as well as their lack of research on previous years’ college entrance exam questions, some of the content involved in the senior year review process is too biased and difficult, and some of the key knowledge is not strengthened in place. When selecting exam questions for students to practice, there is often a lack of correspondence with the difficulty of the provincial college entrance exam, making the review less timely.

As an important part of the chemistry knowledge system, the principle of chemical reactions accounts for a large proportion of the questions in the college entrance exam, but students tend to be more intimidated and score less when answering this part of the questions. So, what does the principle of chemical reactions test in the college entrance examination? How does it test? To what extent is the test? What competencies are required of candidates? What kind of knowledge do they have for students who are just entering a round of review? What are the best teaching strategies for dealing with student confusion? If these questions are known, the teachers of seniors will be more relevant in leading their students to review and prepare for exams, and their teaching will be more timely.

This paper provides a detailed analysis and study of the 2016-2020 National Paper III Chemical Reaction Principle questions, using the Curriculum Standards and the Exam Outline as benchmarks, and a detailed comparison and analysis of the common examination questions such as chemical batteries, ionic reactions and equilibrium in aqueous solutions, and comprehensive questions on chemical reaction principles with the National Paper I and II. Generally speaking, the questions on the principle of chemical reactions in National Paper are stable and mainly test the mastery and application of the basic knowledge of the principle of chemical reactions, but from the perspective of the content and difficulty of the questions, the examination of National Paper is close to that of National Paper, which is quite different from that of National Paper.

This paper is presented in six parts.

Chapter 1: It focuses on the research background, research status, research content, research methods and research significance.

Chapter 2: It mainly introduces the changes in the requirements of the contents of the principle of chemical reactions in different versions of the Curriculum Standards and Examination Outline in the context of the new curriculum reform, and analyzes its topic trends in the college entrance examination.

Chapter 3: It focuses on the detailed statistics of the content of chemical reaction principles involved in the national III paper in terms of question distribution and score value to identify the examination pattern.

Chapter 4: It conducts a detailed analysis of the examination of the principle of chemical reactions in the 2016-2020 National paper from the  mark value, examination background, question presentation, problem solving ideas and core elements examination, and makes a detailed comparison regarding the high-frequency examination points with the National and papers to find out the differences of the questions in different national papers under the same examination outline.

Chapter 5: It designs a questionnaire on the knowledge of the principle of chemical reactions for students who have just entered the first round of revision at three levels (intensive classes, focused classes, and regular classes), and statistically and analytically analyzes the results of the questionnaire to find out the students’ confusion in doing this part of the content.Interviews are conducted with the excellent chemistry teachers of the high school to find out how they respond when dealing with the content of the principle of chemical reactions.

Interviews were conducted with the best chemistry teachers in our school to find out how they respond when dealing with the content of the principles of chemical reactions.

Chapter 6: Suggestions for review and preparation for the exam are made based on my teaching practices and research on the entrance exam questions, surveys of students, and interviews with teachers.

Chapter 7: Research findings and reflections on deficiencies.

 

Key words: Principle of chemical reactions; Test analysis; Comparative study; Investigation and research; Suggestions for exam preparation

 


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