2022年2018鲁教版化学八年级6.3《大自然中的二氧化碳》word教案 .pdf

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1、名师精编优秀教案单位：山东省文登第二中学姓名：林春红课题：探究雪碧中的二氧化碳一、学习目标(1)运用对照实验，通过探究CO2在 H2O中的变化，认识二氧化碳的性质和用途，增强实证意识和逻辑思维能力，发展“性质决定用途”等化学思想观念。(2)运用对比法，通过回忆O2的实验室制法，初步学会CO2的实验室制法，形成实验室制取气体的基本思路和方法，发展动手能力、分析问题和解决问题的能力。(3)通过学习二氧化碳的性质和用途，制法，发展科学的物质观、化学的社会观与价值观等化学思想观念。二、学习重点、难点及确定的依据：重点：（1）二氧化碳实验室制法和化学性质（2）实证意识与逻辑推理能力。难点：二氧化碳与水反

2、应生成碳酸。实证意识与逻辑推理能力。三、教学方法及手段：本节课采用实验探究法、观察讨论法、课堂合作交流的方法，充分发挥学生的主体作用。通过实验探究二氧化碳实验室制法和名师精编优秀教案性质，培养学生观察能力、实验能力和主动获取知识的能力，不断增强学生的参与意识、合作意识、探索意识。通过展示二氧化碳，让学生认识其物理性质，然后重点讲解二氧化碳的化学性质，为了突破二氧化碳与水反应这一难点，指导学生通过实验来实证，然后学生交流讨论得出这一性质；将重点知识的学习与提高能力的培养相结合，引导学生用实验探究的方法来学习二氧化碳的性质，习题的选择与讲评，遵循大纲，用好课本，侧重四基，通过研究课本习题，挖掘其潜

3、力，改造习题，增强课本习题的辐射功能，引导学生积极思考，达到触类旁通。具体方案如下：课前学习教学目标，明确学习的重点和方向，激发学习动机。通过实验，探究二氧化碳的实验室制法和性质，把二氧化碳和氧气易混淆的知识进行对比，形成系统化的知识，构建物质知识的学习体系。通过介绍二氧化碳及干冰的用途，让学生认识物质的性质与用途的关系。应用多媒体课件，突破重点和难点，有效实施双边互动，提高学习效益。四、实验用品：仪器：集气瓶，试管，试管夹，酒精灯，矿泉水瓶，小喷壶，小烧杯，火柴。文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3

4、K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M

5、10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D

6、4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7

7、V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L

8、6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB

9、7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4

10、R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3名师精编优秀教案药品：雪碧饮料，澄清石灰水，石蕊试液，晾干的紫色石蕊纸花，盐酸，水五、课型课时新授课一 课时六、教学活动设计活动标题设计意图教师活动学生活动评 价活动文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6

11、N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码

12、:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7

13、HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 Z

14、H6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档

15、编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U

16、7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3

17、 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3名师精编优秀教案板块一：二氧化碳的性质达成目标1 展示一瓶雪碧 ：大家都喝过雪碧吧？打开瓶盖时，你们观察到什么现象？这种气体是什么呢？真的是二氧化碳吗？想不想知道二氧化碳有哪些性质和用途？如何获取二氧化碳呢？这节课我们就一起来探究雪碧中的二氧化碳。板书课题 ：探究雪碧中的二氧化碳 多媒体展示 学习目标一：二氧化碳的性质和用途（一）：雪碧中含有二氧化碳 提问：1.你认为二氧化碳是什么样的物质？2.你能用哪些方法来证明雪碧中含二氧化碳，理由是什么？得出结论 通过上述实验，我们证明了雪碧饮料中

18、含有二氧化碳。(二)：二氧化碳能溶于水 提出问题 冒出大量气泡，二氧化碳无色，无味，密度比空气大的气体。讨论交流1：用澄清的石灰水变浑浊。2.利用二氧化碳能灭火，不能燃烧，也不能支持燃烧的性质。交流展示文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L

19、6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB

20、7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4

21、R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N

22、9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:

23、CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 H

24、M4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3名师精编优秀教案达成目标1 完1.雪碧饮料中含有二氧化碳，这说

25、明二氧化碳具有什么性质？这是应用二氧化碳的物理性质还是化学性质？2.二氧化碳真的能溶于水吗？设计实验 向充满二氧化碳的矿泉水瓶中加水，振荡。追问 矿泉水瓶为什么会变瘪？(三)：二氧化碳与水反生化学变化1.你认为矿泉水瓶里的液体中有哪些物质？2.溶于水二氧化碳就以二氧化碳分子形式存在吗？设计实验 取矿泉水瓶里的液体少许于试管中，滴加紫色石蕊试液.追问 是什么物质使紫色石蕊试液变色呢？设计实验 把干燥的石蕊纸花放进集气瓶，追问 到底是什么物质使紫色石蕊试液变色呢？能溶于水，物理性质动手实验，观察现象二氧 化碳 溶于水，瓶内压强小与外界气压。二氧化碳和水动手实验，观察现象变红二氧化碳动手实验，观察现

26、象。不变色可能二氧化碳与水发生了化学变化，生成了新物质，使紫色石蕊试液变色。让讨论,实验过程成为学生发现，解决问题的过程，体验成功的喜悦。交流展示文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7

27、V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L

28、6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB

29、7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4

30、R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N

31、9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:

32、CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3名师精编优秀教案板块二：二氧化碳的用途达成目标1,3 学生设计实验 取两朵干燥的石蕊纸花，一朵喷盐酸，另一朵喷上水后放

33、入二氧化碳中。获得结论 二氧化碳与水反应生成碳酸。投影展示 H2O+CO2=H2CO3 设计实验 把变红了的液体放在酒精灯上加热。得出结论 碳酸不稳定，易分解，生成二氧化碳和水。二：二氧化碳的用途 过渡通过以上的实验，我们知道二氧化碳是制碳酸饮料的重要原料，二氧化碳在自然界也是进行光合作用重要原料。提问 二氧化碳与水在叶绿素和关照的条件下生成葡萄糖和水，同样是二氧化碳跟水的反应，产物却完全不同，这是为什么？总结 化学反应条件不仅能决定反应进行的的速度和剧烈程度，还可以决定反应进行的方向。利用好化学反应条件，化学反应就能更好的为人类服务。阅读 阅读课本 139 页最后一段，了解二氧化碳的用途。动

34、手实验，观察现象，变成紫色书写H2CO3=H2O+CO2分析讨论：反应条件不同听讲阅读记忆总结：物质的性质决定物质的用途。形 成 正确、合理的 化 学思 想 观念交流评价文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4

35、J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V

36、3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6

37、M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7

38、D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R

39、7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9

40、L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3名师精编优秀教案板块三：二氧化碳的实验室制法达成目标2 展示图片 干冰的形成及用途。展示图片

41、二氧化碳的性质及用途 小结 二氧化碳 具有如此广泛的用途，看来它并不是只能造成温室效应的气体，这说明化学物质都有两面性，只要利用好它，就能变坏为好。三：二氧化碳的实验室制法1.确定实验原理 过渡人们如何获得二氧化碳呢？有人认为有下列的方法：展示图片 1.分离液态空气，获得二氧化碳。2.含碳燃料燃烧。3.碳酸钙高温分解生成二氧化碳和水4.大理石与稀盐酸反应。提问这些方法适合二氧化碳实验室制取吗？得出结论 实验室制取二氧化碳采用碳酸钙和稀盐酸的反应，碳酸钙的主要成分是碳酸钙，稀盐酸的主听讲讨论交流 1.含量少。2.收集气体不纯。3.反应温度太高。讨论交流书写反应方程展示评价形 成 正确、合理的 化

42、 学思 想 观念文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:

43、CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 H

44、M4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH

45、6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编

46、码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7

47、 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3

48、ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3名师精编优秀教案完成目标2,3 要成分是氯化氢，发生反应的是碳酸钙和稀盐酸生成氯化钙二氧化碳和水。化学反应方程式：CaCO3+2HCl=CaCl2+CO2+H2O 2.确定实验装置 展示图片 实验室制氧气的实验装置。提问 对比氧气，实验室制取二氧化

49、碳采用什么装置？得出结论 选择过氧化氢制氧气的实验装置。提出问题 如何验满呢？提问：对比氧气，二氧化碳的实验室制法，总结实验室制取气体的一般思路和方法 梳理提升 制取一种气体，首先选择恰当的反应原理，然后根据反应物状态和反应条件，确定发生装置，而收集装置的选择要根据所收集气体的密度、溶解性以及是否与水反应。最后，就要依据气体的性质，来选择简便的验满方法。这就是实验室制取气体的一般思式讨论交流：选择和过 氧化 氢制氧气 的实 验装置一 样收 集装置只 能采 用向上排空气法。用燃着的木条放在集气瓶瓶口，如果火焰熄灭，证明已满。讨论交流听讲讨论交流文档编码:CB7D4J2R9U7 HM4R7V3K5

50、Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10Y3文档编码:CB7D4J2R9U7 HM4R7V3K5Q3 ZH6N9L6M10