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《课时1羧酸》||高中化学优质课比赛课件(人教版选必3)

  • 2026-06-17 12:42:56
《课时1羧酸》||高中化学优质课比赛课件(人教版选必3)
教师同仁和广大中学生:欢迎加入帅帅闲师化学自习室,与全国化学教师和广大化学热爱者交流学习,获取资源。加群请联系微信hongsan2018,注明“加群学习”。
课件设计与亮点点评 

本课件紧扣人教版选择性必修3教学要求,以生活导入、结构引领、性质突破、讲练结合为设计主线,内容完整、逻辑清晰、重点突出,是一节实用性极强的高中化学优质课件。  

     课件最突出亮点是生活化情境贯穿全程。以食醋、甲酸、乳酸、柠檬酸等日常常见有机酸导入,贴近学生认知;结合食品配料表、药品标签等真实素材,让抽象的羧酸结构与性质变得直观可感,有效激发学习兴趣,落实素养目标。  

     知识呈现系统性强、梯度合理。从羧酸概念、分类、命名,到物理性质、典型代表物,再到酸性、酯化反应两大核心化学性质,层层递进、环环相扣。表格、结构简式、方程式规范清晰,氢键、同位素示踪法等难点用图示直观拆解,便于学生理解记忆。     

     实验探究与考点落地精准。乙酸、碳酸、苯酚酸性对比实验设计严谨,饱和NaHCO₃作用、酯化反应装置、防倒吸、产率提升等高频考点逐一突破,讲解细致到位。随堂练习针对性强,覆盖命名、同分异构、官能团性质、定量计算,当堂巩固效果好。  

      课件注重知识迁移与方法提炼。明确羧酸与氨气生成酰胺的反应规律,衔接后续衍生物内容;总结“强酸制弱酸”“酸脱羟基醇脱氢”等核心规律,帮助学生构建解题模型。版面简洁规整,图文搭配合理,重点标注醒目,课堂使用流畅。 

     整体而言,本课件目标明确、素材鲜活、逻辑严谨、实用性强,既能夯实基础,又能提升能力,完美适配新教材课堂教学与备考复习。 

课件展示

 课件使用体会和建议

    本课件紧扣人教版选择性必修 3 教学要求,以生活导入、结构引领、性质突破、讲练结合为设计主线,内容完整、逻辑清晰、重点突出,是一节实用性极强的高中化学优质课件。

      课件最突出亮点是生活化情境贯穿全程。以食醋、甲酸、乳酸、柠檬酸等日常常见有机酸导入,贴近学生认知;结合食品配料表、药品标签等真实素材,让抽象的羧酸结构与性质变得直观可感,有效激发学习兴趣,落实素养目标。

      知识呈现系统性强、梯度合理。从羧酸概念、分类、命名,到物理性质、典型代表物,再到酸性、酯化反应两大核心化学性质,层层递进、环环相扣。表格、结构简式、方程式规范清晰,氢键、同位素示踪法等难点用图示直观拆解,便于学生理解记忆。

       实验探究与考点落地精准。乙酸、碳酸、苯酚酸性对比实验设计严谨,饱和 NaHCO₃作用、酯化反应装置、防倒吸、产率提升等高频考点逐一突破,讲解细致到位。随堂练习针对性强,覆盖命名、同分异构、官能团性质、定量计算,当堂巩固效果好。

      课件注重知识迁移与方法提炼。明确羧酸与氨气生成酰胺的反应规律,衔接后续衍生物内容;总结 “强酸制弱酸”“酸脱羟基醇脱氢” 等核心规律,帮助学生构建解题模型。版面简洁规整,图文搭配合理,重点标注醒目,课堂使用流畅。

      整体而言,本课件目标明确、素材鲜活、逻辑严谨、实用性强,既能夯实基础,又能提升能力,完美适配新教材课堂教学与备考复习。

 资源领取方步骤

【第1步点击下面链接,关注!

【第2步】复制如下链接,然后打开百度网盘APP或夸克APP,即可查看保存。

#高考化学#过渡金属元素#价电子对互斥模型#疑难问题探析#硼的性质

往期文章:

为什么C还原SiO₂的反应生成CO?从热力学本质与高考考点全面解析||高中化学(必修2)

《“F—F 键能小于 Cl—Cl 键能”能通过键长长短或电负性大小来解释吗?》一文搞定键能大小比较||高中疑难问题(选必2)

烃的共线共面问题和不饱和度计算|优质课课件(高中化学选必3)

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化学宝子福利:通过网盘分享本课件ppT文件:

乙醛第1课时(人…

链接:https://pan.baidu.com/s/1rl3ZPsielN6LawyRm6ittg 

提取码:q1ol

醛酮第2课时(人…

链接:https://pan.baidu.com/s/12gc3avEbM-UaQs5gF3dAiw 

提取码:3336

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  1. CONNECT:[ UseTime:0.000411s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000580s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000281s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000286s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000558s ]
  6. SELECT * FROM `set` [ RunTime:0.005123s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000696s ]
  8. SELECT * FROM `article` WHERE `id` = 503427 LIMIT 1 [ RunTime:0.005280s ]
  9. UPDATE `article` SET `lasttime` = 1782707075 WHERE `id` = 503427 [ RunTime:0.001082s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.002710s ]
  11. SELECT * FROM `article` WHERE `id` < 503427 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.003954s ]
  12. SELECT * FROM `article` WHERE `id` > 503427 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.003479s ]
  13. SELECT * FROM `article` WHERE `id` < 503427 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.007508s ]
  14. SELECT * FROM `article` WHERE `id` < 503427 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001367s ]
  15. SELECT * FROM `article` WHERE `id` < 503427 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.010344s ]
0.114125s