15晚上的太阳

15晚上的太阳 15(晚上的“太阳” 一(教学目标 1(学习默读课文，并能复述这个故事。 2(学会本课的10个生字，理解由生字组成的词语。 3(学习爱迪生遇到问题积极动脑动手，寻找解决问题的方法的好习惯。 二(教学重难点 课文第二自然段是教学的重点，其中理解爱迪生用镜面反射油灯灯光的用意是教学的难点。 三(教学时间:2课时 四(教学准备:发动学生搜集发明大王爱迪生的故事。 五(教学过程 第一课时 一(导入: 1(〈出示爱迪生画像〉你们知道他是谁啊,谁能给大家简单介绍一下他呢, (简介爱迪生:1847年2月11日生于美国。他从一个穷苦的、只上过三个月小学的孩子，成长为受人们尊敬的、伟大的发明家。他小爱动脑筋思考问题，对周围发生的一切，总是充满着好奇心。他30岁时发明留声机，32岁时发明“世界之光”——电灯，33岁时发明电车，随后又实验并改进了电话等。爱迪生一生共有约两千项创造发明，为人类的文明和进步作出了巨大的贡献，人们称他为发明之王。) 2(今天我们就要学习一篇关于爱迪生的课文。〈出示课题〉(指名读，齐读)看了题目，你想知道什么, 学生质疑: 题目中的“太阳”为什么要加上引号, 晚上有太阳吗, 晚上的“太阳”指的是什么, „„ the smooth progress of the construction. 6, coordination with neighboring residents and neighboring residents ' initiative to get in touch, construction progress, reasonable construction time, take positive and effective measures to reduce construction nuisance, so that normal construction smoothly. 3.3. technological measures 1, demolition (modified) according to investigation of construction, the demolition of the project (modified) was mainly railway railway automatic blocking power supply, railway communications, signal cables and related facilities and pipelines and cables and irrigation canals of luanhe. In order to let construction proceed smoothly, our units will deploy this unit engaged in demolition and land expropriation, professionals with rich experience in demolition and land acquisition and actively cooperate with the owners to do demolition work. 2, the technical preparations (1), construction drawings review and on-site checks, preparation of audit reports. (2) preparation of construction organization design for implementation, clear construction scheme and key process technology gives the low-down. (3) prepare the necessary code for construction and acceptance of technical data. (4) construction feature of the project, preparation of technical management and implementation details. (5) before construction of the Engineering Department, quality Department, material and equipment Department and Planning Department staff to focus on heating to (67~69) ?, and in 69 ? 3(带着问题好好读课文，相信大家一定能够得到满意的答案。 二(初读课文: 1自己小声轻读课文。 〈要求:读准字音，不添字，不漏字;读顺语句，读通课文，标明自然段号。〉 2(出示生字、词语: (1)自由读 2)我们要特别注意哪些字的读音, ( (3)开火车读、指名读、齐读、 请来医生急性阑尾炎需要无可奈何一分一秒挡手简易〉 犹豫手术痛苦发明焦急呻吟自豪智慧一本正经〉 3(你读懂了哪个词语的意思,(学生交流、教师指导) 一分一秒:一分钟一秒钟，意思是时间渐渐地过去。 挡手:挡住了手。 无可奈何:没有任何的办法。 简易:简单而容易的。 犹豫:拿不定主意。 呻吟:因为痛苦而发出声音。 4(全文一共有几个自然段,(5个) 5(分自然段指名读读文。师生评议。 6(默读课文，勾画出文中不理解的词语。 7(讨论交流。 8(再读课文，把你认为难读的多读几遍。 9(指导朗读长句。 “妈妈，要是晚上也有太阳该多好哇，我要造一个晚上的‘太阳’。” “这些灯围一圈挡手哇～” 10(说说各自然段的主要内容: (1)爱迪生的妈妈得了急性阑尾炎，需要马上做手术。 (2)爱迪生想办法解决了照明问题。 (3)手术顺利做完，医生夸奖爱迪生用智慧救了妈妈。 the smooth progress of the construction. 6, coordination with neighboring residents and neighboring residents ' initiative to get in touch, construction progress, reasonable construction time, take positive and effective measures to reduce construction nuisance, so that normal construction smoothly. 3.3. technological measures 1, demolition (modified) according to investigation of construction, the demolition of the project (modified) was mainly railway railway automatic blocking power supply, railway communications, signal cables and related facilities and pipelines and cables and irrigation canals of luanhe. In order to let construction proceed smoothly, our units will deploy this unit engaged in demolition and land expropriation, professionals with rich experience in demolition and land acquisition and actively cooperate with the owners to do demolition work. 2, the technical preparations (1), construction drawings review and on-site checks, preparation of audit reports. (2) preparation of construction organization design for implementation, clear construction scheme and key process technology gives the low-down. (3) prepare the necessary code for construction and acceptance of technical data. (4) construction feature of the project, preparation of technical management and implementation details. (5) before construction of the Engineering Department, quality Department, material and equipment Department and Planning Department staff to focus on heating to (67~69) ?, and in 69 ? (4)爱迪生对妈妈说要造一个晚上的“太阳”。 (5)爱迪生真的发明了电灯。 三(教学生字词，指导书写: 1(出示生字，指名读，齐读。 2(你是怎样记住生字的,(指名交流)组词，提醒书写要点。 请:换部首“清、情、晴、蜻、睛、精”，横之间距离相等。 医:笔顺“横、撇、横、横、撇、点、竖折”(学生书空) 急:刀字头——雪字部——心字底，中间部分又扁又小，收缩得比较紧。 性:竖心旁(点、点、竖)——生，横之间距离相等。 炎:两个火，上小下大，上面的“火”最后一撇变成“点”。下“火”要托住上面的“火”。 需:雨字头——而。 何:单人旁——可。(“荷”去掉草字头;“河”去掉“三点水”，加上单人旁) 秒:禾木旁——少。 挡:当加“提手旁”。当下面的部分要写得舒展，和上面的“小字头”各占一半。 简:竹字头——间。 3(学生描红、仿影、临写，教师巡视指导。 四(作业设计: 1(熟读课文 2(完成〈习字册〉 板书设计: 15晚上的“太阳” “太阳”为什么加上了引号, 晚上会有太阳吗, 教学反思:孩子们通过对课题的提问知道了“太阳”并不是真正的太阳，带着问题学习课文，孩子们很感兴趣。知识文中的句子读的不是多熟练。 the smooth progress of the construction. 6, coordination with neighboring residents and neighboring residents ' initiative to get in touch, construction progress, reasonable construction time, take positive and effective measures to reduce construction nuisance, so that normal construction smoothly. 3.3. technological measures 1, demolition (modified) according to investigation of construction, the demolition of the project (modified) was mainly railway railway automatic blocking power supply, railway communications, signal cables and related facilities and pipelines and cables and irrigation canals of luanhe. In order to let construction proceed smoothly, our units will deploy this unit engaged in demolition and land expropriation, professionals with rich experience in demolition and land acquisition and actively cooperate with the owners to do demolition work. 2, the technical preparations (1), construction drawings review and on-site checks, preparation of audit reports. (2) preparation of construction organization design for implementation, clear construction scheme and key process technology gives the low-down. (3) prepare the necessary code for construction and acceptance of technical data. (4) construction feature of the project, preparation of technical management and implementation details. (5) before construction of the Engineering Department, quality Department, material and equipment Department and Planning Department staff to focus on heating to (67~69) ?, and in 69 ? 第二课时 一(复习: 1、认读词语 2、书空笔顺: 医( ) 性( ) 二(精读课文: (一)学习第一自然段: 1(指名读 2(爱迪生的妈妈怎么了, 3(师简介“急性阑尾炎”的医学知识。 4(在这种情况下，如果妈妈不做手术会怎么样, 5(齐读第一自然段。〈板书:十万火急〉 (二)学习第二、三自然段: 1(学生自读第二自然段，说主要内容。 (爱迪生想办法解决了照明问题。) (当时情况怎样,指名读第一句。(当时情况很糟糕:妈妈的病急需做手术， 2 但用油灯来照明做手术又很危险。) 3(思考，讨论:没有电灯，光线很暗，做手术很危险，当时人们的现怎样, 〈相机板书:医生 犹豫 妈妈 呻吟 爸爸 无可奈何 爱迪 生焦急〉 4(师引读，可是那时——，医生——。 医生“犹豫”了，什么是犹豫,(拿不定主意。)他会想些什么,(那时还 没有电灯，油灯的光线很暗，用它照明做手术很危险，这个手术是做呢，还是不 做,) 5(医生的犹豫就意味着手术不能马上进行了，小爱迪和爸爸多着急啊。自读课文，用笔画出有关语句读读，体会体会。 6(指名读第3、4句。 the smooth progress of the construction. 6, coordination with neighboring residents and neighboring residents ' initiative to get in touch, construction progress, reasonable construction time, take positive and effective measures to reduce construction nuisance, so that normal construction smoothly. 3.3. technological measures 1, demolition (modified) according to investigation of construction, the demolition of the project (modified) was mainly railway railway automatic blocking power supply, railway communications, signal cables and related facilities and pipelines and cables and irrigation canals of luanhe. In order to let construction proceed smoothly, our units will deploy this unit engaged in demolition and land expropriation, professionals with rich experience in demolition and land acquisition and actively cooperate with the owners to do demolition work. 2, the technical preparations (1), construction drawings review and on-site checks, preparation of audit reports. (2) preparation of construction organization design for implementation, clear construction scheme and key process technology gives the low-down. (3) prepare the necessary code for construction and acceptance of technical data. (4) construction feature of the project, preparation of technical management and implementation details. (5) before construction of the Engineering Department, quality Department, material and equipment Department and Planning Department staff to focus on heating to (67~69) ?, and in 69 ? 爸爸和爱迪生当时会想些什么，心情怎么样,抓住“妈妈痛苦地呻吟着、爸爸无可奈何地搓着手、焦急、一分一秒、手心攥出了汗水”体会。 7(是啊，手术不能进行就意味着——(指名说)我们的心都好象被揪住了，我们每个人都在为妈妈的安危担心，谁来读一读这揪心的场面,(朗读指导:医生的“犹豫”，爸爸的“无可奈何”，妈妈的“痛苦”，爱迪生的焦急、紧张) 8(突然之间，爱迪生想出了什么办法,这个办法怎么样,四人小组看图、读句子讨论交流。 (要求:把第二自然段5——9句多读几遍，用自己的话说说爱迪生是怎样做的。) 指导有条理地叙述:集中油灯——搬来大镜子——油灯放在箱子上——镜子放在油灯后。 理解“眼睛一亮”:说明想出了办法。 “谁知”:别人都不知道爱迪生能想出一个巧妙的方法。 9(爱迪生为什么要这么做呢,(油灯多才能有一定的亮度，镜子大反射的面才比较广，手术才得以进行。) 10、指导朗读:爱迪生想主意部分读得稍慢。 11、开始，医生不明白，还不住地摇头说——，而后来，手术台前一片光明。爱迪生急中生智，想出了好办法，〈板书:急中生智〉使医生顺利地做完了手术，他高兴地说——“孩子，是你用智慧救了妈妈～” 12、医生为什么说是爱迪生用智慧救了妈妈,〈板书:化险为夷〉 13、同学们，如果当时你在场，你会说些什么, 14、指导朗读第三自然段(夸奖的语气) (三)学习第四自然段: 1(指名读第四自然段。 2(“自豪”是什么意思,妈妈为什么自豪,她心里会说些什么,(感到光荣，为有这样一个好儿子感到光荣) 3(〈出示爱迪生的话: 爱迪生拉着妈妈的手，一本正经地说:“妈妈，要是晚上也有太阳该多好哇，我要造一个晚上的‘太阳’。”〉 the smooth progress of the construction. 6, coordination with neighboring residents and neighboring residents ' initiative to get in touch, construction progress, reasonable construction time, take positive and effective measures to reduce construction nuisance, so that normal construction smoothly. 3.3. technological measures 1, demolition (modified) according to investigation of construction, the demolition of the project (modified) was mainly railway railway automatic blocking power supply, railway communications, signal cables and related facilities and pipelines and cables and irrigation canals of luanhe. In order to let construction proceed smoothly, our units will deploy this unit engaged in demolition and land expropriation, professionals with rich experience in demolition and land acquisition and actively cooperate with the owners to do demolition work. 2, the technical preparations (1), construction drawings review and on-site checks, preparation of audit reports. (2) preparation of construction organization design for implementation, clear construction scheme and key process technology gives the low-down. (3) prepare the necessary code for construction and acceptance of technical data. (4) construction feature of the project, preparation of technical management and implementation details. (5) before construction of the Engineering Department, quality Department, material and equipment Department and Planning Department staff to focus on heating to (67~69) ?, and in 69 ? 4(理解“一本正经”:态度严肃、庄重、郑重其事的。这个词语告诉我们什么,(爱迪生对妈妈说的话，是经过认真思考的。) 5(大家注意到没有，爱迪生的这句话中有两个太阳，它们有什么不同, (一个有双引号，一个没有。 一个指真的太阳，一个指像太阳一样会发光的东西。) 6(爱迪生为什么会说将来一定要造一个晚上的“太阳”, (四)学习第五自然段: 1(后来，爱迪生真的发明了电灯，这里的“真的”是什么意思,说明了什么,〈板书:发明电灯〉 2(同学们思考一下，爱迪生怎么会发明电灯的呢,(正是因为爱迪生从小就善于动脑，积极思考，并且一直这样去做，长大后才有了伟大的发明创造。) 3(指导朗读 三(总结全文: 1(在爱迪生的一生中约有两千项发明，被人们称之为“发明之王”。学到这里，你还想知道什么, (课后去找一找爱迪生发明电灯的有关书籍读一读，相信大家一定能得到自 2 己的答案。 四(作业设计: 1(抄写、默写词语 2(复述课文 板书设计: 晚上的“太阳”-------灯光 教学反思:在这课时的学习中 ，孩子们通过默读课文，能够有条理的讲述这个故事，并懂得了做事要动脑筋，要敢于创新。 the smooth progress of the construction. 6, coordination with neighboring residents and neighboring residents ' initiative to get in touch, construction progress, reasonable construction time, take positive and effective measures to reduce construction nuisance, so that normal construction smoothly. 3.3. technological measures 1, demolition (modified) according to investigation of construction, the demolition of the project (modified) was mainly railway railway automatic blocking power supply, railway communications, signal cables and related facilities and pipelines and cables and irrigation canals of luanhe. In order to let construction proceed smoothly, our units will deploy this unit engaged in demolition and land expropriation, professionals with rich experience in demolition and land acquisition and actively cooperate with the owners to do demolition work. 2, the technical preparations (1), construction drawings review and on-site checks, preparation of audit reports. (2) preparation of construction organization design for implementation, clear construction scheme and key process technology gives the low-down. (3) prepare the necessary code for construction and acceptance of technical data. (4) construction feature of the project, preparation of technical management and implementation details. (5) before construction of the Engineering Department, quality Department, material and equipment Department and Planning Department staff to focus on heating to (67~69) ?, and in 69 ? 第三课时 一(复习检查: 1(听写词语。 2(爱迪生想了什么办法来解决手术照明问题的,(集中油灯——搬来大镜子——油灯放在箱子上——镜子放在油灯后) 3(医生为什么说爱迪生用智慧救了妈妈,(是爱迪生想出办法，解决了做手术的照明问题，使手术顺利进行，妈妈脱离了危险。) 二(默读课文，讲述故事: 1(回忆内容，列出提纲: 妈妈突发急病，马上要做手术——想出妙法，手术台前一片光明——手术成功，医生夸奖——郑重表示，要造“太阳”——发明电灯，造福人类。 2(互相练习讲故事，提出意见后再讲。 3(指名讲故事，评议补充。 三(填空练习: 1(爱迪生把()油灯()端了出来，又搬来一面()镜子，把()放在()上，()放在油灯()。 2(做完手术后，医生对爱迪生说:“孩子，是你()妈妈～” 3(爱迪生()地对妈妈说:“我要造一个()。” 四(比一比，再组词: 及()需()当()请()何() 急()须()挡()情()荷() 五(填上合适的词: ()的脸上()的笑容()的明天 ()的爱迪生()的太阳 ()地说()地呻吟()地看着 ()地搓着手 六(写出下列汉字的拼音和偏旁: the smooth progress of the construction. 6, coordination with neighboring residents and neighboring residents ' initiative to get in touch, construction progress, reasonable construction time, take positive and effective measures to reduce construction nuisance, so that normal construction smoothly. 3.3. technological measures 1, demolition (modified) according to investigation of construction, the demolition of the project (modified) was mainly railway railway automatic blocking power supply, railway communications, signal cables and related facilities and pipelines and cables and irrigation canals of luanhe. In order to let construction proceed smoothly, our units will deploy this unit engaged in demolition and land expropriation, professionals with rich experience in demolition and land acquisition and actively cooperate with the owners to do demolition work. 2, the technical preparations (1), construction drawings review and on-site checks, preparation of audit reports. (2) preparation of construction organization design for implementation, clear construction scheme and key process technology gives the low-down. (3) prepare the necessary code for construction and acceptance of technical data. (4) construction feature of the project, preparation of technical management and implementation details. (5) before construction of the Engineering Department, quality Department, material and equipment Department and Planning Department staff to focus on heating to (67~69) ?, and in 69 ? 医()()急()()需()()炎()() 简()()性()()秒()()挡()() 七(仿照例子，写句子: 例:同学们的张张笑脸像(朵朵盛开的鲜花)。 一个个苹果像()挂在枝头。 ()像()。 八(作业设计: 1、完成同步测试 2、课后去找有关爱迪生的书读一读，了解爱迪生及其对社会的贡献。 板书设计: 15 晚上的“太阳”(发明电灯) 爱迪生 十万火急 (“发明之王”) 集中生智 化险为夷 教学反思:通过朗读来理解文章中一系类描写神态的词语，来理解爱迪生的决心与信心。朗读是一个目标，学习爱迪生的精神是一个重要的目标，这是不容忽视的。 the smooth progress of the construction. 6, coordination with neighboring residents and neighboring residents ' initiative to get in touch, construction progress, reasonable construction time, take positive and effective measures to reduce construction nuisance, so that normal construction smoothly. 3.3. technological measures 1, demolition (modified) according to investigation of construction, the demolition of the project (modified) was mainly railway railway automatic blocking power supply, railway communications, signal cables and related facilities and pipelines and cables and irrigation canals of luanhe. In order to let construction proceed smoothly, our units will deploy this unit engaged in demolition and land expropriation, professionals with rich experience in demolition and land acquisition and actively cooperate with the owners to do demolition work. 2, the technical preparations (1), construction drawings review and on-site checks, preparation of audit reports. (2) preparation of construction organization design for implementation, clear construction scheme and key process technology gives the low-down. (3) prepare the necessary code for construction and acceptance of technical data. (4) construction feature of the project, preparation of technical management and implementation details. (5) before construction of the Engineering Department, quality Department, material and equipment Department and Planning Department staff to focus on heating to (67~69) ?, and in 69 ?