清华版五年级下册UNIT 3THE ENVIRONMENT AND US-Lesson 17-ppt课件-(含教案+课后反思+视频)--(编号：50283).zip

LessonLesson 1717 WaterWater 【教材依据教材依据】本节课选自清华版小学英语五年级下册第三单元本节课选自清华版小学英语五年级下册第三单元“The“The EnvironmentEnvironment AndAnd Us”Us”中的一课。中的一课。 一、一、 设计思路设计思路 1.1. 指导思想。指导思想。 （1 1）激发和培养学生阅读的兴趣，养成学生用不同阅读策略进行阅读的）激发和培养学生阅读的兴趣，养成学生用不同阅读策略进行阅读的 良好习惯。良好习惯。 （2 2）通过听、说、读、写训练，让学生会用语言描述）通过听、说、读、写训练，让学生会用语言描述 waterwater。 （3 3）学习文本，激发学生保护水、节约用水的思想情感。）学习文本，激发学生保护水、节约用水的思想情感。 2.2. 教学目标。教学目标。 （1 1）能够认读单词：能够认读单词：salt,fresh,only,important,percent,waste,savesalt,fresh,only,important,percent,waste,save。 （2 2）能够借助图和文本理解课文中咸水和淡水的区别，理解水很重要，我能够借助图和文本理解课文中咸水和淡水的区别，理解水很重要，我 们要节约水。们要节约水。 （3 3）能够掌握句型能够掌握句型.need.need waterwater to.to.和操练描述和操练描述 waterwater 的句子。的句子。 3.3. 教学重点及难点。教学的重点是学习新词汇教学重点及难点。教学的重点是学习新词汇 salt,fresh,only,important,percent,waste,savesalt,fresh,only,important,percent,waste,save。和句型。和句型.need.need waterwater to.to.；能够借助图和文本理解课文中咸水和淡水的区别，理解水；能够借助图和文本理解课文中咸水和淡水的区别，理解水 很重要，我们要节约水；教学难点是对文本的理解并会用语言描述很重要，我们要节约水；教学难点是对文本的理解并会用语言描述 waterwater。 二、教学准备二、教学准备 文本中图片；咸淡水分布图；制作的单词卡片；录音；视频；教师自制文本中图片；咸淡水分布图；制作的单词卡片；录音；视频；教师自制 PPTPPT 教学课件。教学课件。 3 3、教学过程教学过程 1.1. Preparation.Preparation. (1)(1) GreetingGreeting (2)(2) ListenListen andand GuessGuess thethe riddle.riddle. (3)(3) AskAsk question:question: WhereWhere doesdoes waterwater comecome from?from? StudentsStudents talktalk aboutabout thethe picturespictures andand letlet themthem knowknow thatthat waterwater isis everywhere.everywhere. WaterWater isis recycle.recycle. 2.2. Presentation.Presentation. (1)(1) ReadRead andand Ask:Ask: LetLet studentsstudents readread para.1para.1 silentlysilently andand trytry toto askask somesome questionsquestions usingusing thethe “Wh-question”“Wh-question” wordswords onon ppt.ppt. (2)(2) AskAsk andand Answer:Answer: TeacherTeacher showsshows herher questions.questions. TheyThey areare HowHow manymany kindskinds ofof waterwater areare therethere onon thethe Earth?Earth? WhatWhat areare they?they? WhatWhat isis saltsalt water?water? WhatWhat isis freshfresh water?water? HowHow muchmuch areare they?they? 3.3. Practice.Practice. (1)(1) LetsLets dodo it.it. LetLet studentsstudents writewrite downdown thethe answersanswers asas followsfollows onon thethe mapmap ofof waterwater inin thethe book:book: StepStep 1:1: MarkMark saltsalt waterwater andand freshfresh water.water. StepStep 2:2: WriteWrite downdown howhow muchmuch theythey are.are. StepStep 3:3: WriteWrite downdown wherewhere theythey areare from.from. （2 2）LetsLets check.check. TeacherTeacher checkschecks thethe answeranswer andand askask a a question:question: IsIs therethere muchmuch freshfresh waterwater onon thethe Earth?Earth? （3 3）LetsLets enjoy.enjoy. StudentsStudents enjoyenjoy somesome picturespictures withwith musicmusic thatthat wewe cancan onlyonly useuse freshfresh water,water, butbut therethere isis notnot muchmuch freshfresh waterwater onon thethe Earth.Earth. 4.4. Progress.Progress. (1)(1) ReadRead para.2para.2 together.together. AskAsk andand answer:answer: whowho needsneeds water?water? (2)(2) MakeMake a a groupgroup andand talktalk aboutabout whatwhat peoplepeople dodo withwith water.water. (3)(3) StudentsStudents saysay moremore sentencessentences about:about: PeoplePeople needneed waterwater to.to. 5.5. Production.Production. (1)(1) ReadRead para.3para.3 byby yourself.yourself. LookLook atat picturespictures ,talk,talk about“Howabout“How dodo peoplepeople wastewaste waterwater ?”and?”and “How“How dodo theythey makemake itit dirty?.dirty?. (2)(2) WatchWatch a a videovideo andand shareshare ideasideas aboutabout savingsaving waterwater inin groups.groups. (3)(3) WriteWrite downdown atat leastleast twotwo suggestionssuggestions onon : : WhatWhat cancan wewe dodo toto savesave water?water? ReadRead themthem outout andand stickstick youryour writingswritings onon thethe blackboard.blackboard. (4)(4) ReadRead thethe sloganslogan together:together: WaterWater isis important.important. LetsLets savesave water!Letswater!Lets keepkeep waterwater clean!clean! 6.6. Homework.Homework. (1)(1)RetellRetell thethe texttext accordingaccording toto thethe BoardBoard Writing.Writing. (2)(2)TellTell youryour friendsfriends oror familiesfamilies youryour ideasideas onon savingsaving water.water. 7.7. BoardBoard Writing.Writing. 四、四、教学反思教学反思. . 1.1. 优点：本节课教学目标明确，重难点突出，以优点：本节课教学目标明确，重难点突出，以 waterwater 为主题，思路清晰。为主题，思路清晰。 教学设计由浅入深，层层递进。在文本学习中，教学生运用默读、齐读、教学设计由浅入深，层层递进。在文本学习中，教学生运用默读、齐读、 自读等不同阅读方法，结合小组讨论等学习方式进行教学。文本解读扎实，自读等不同阅读方法，结合小组讨论等学习方式进行教学。文本解读扎实， 由认识水、水很重要、到保护水，由点到面，逻辑性强。本节课最大的亮由认识水、水很重要、到保护水，由点到面，逻辑性强。本节课最大的亮 点是板书，将本节课的思路完美呈现，学生可利用板书复述课文。点是板书，将本节课的思路完美呈现，学生可利用板书复述课文。 2.2. 不足：学生在讨论如何节水时语言不够灵活、丰富。建议教师在播放节不足：学生在讨论如何节水时语言不够灵活、丰富。建议教师在播放节 水视频时，应该边解释边播放。水视频时，应该边解释边播放。 I am a home for the fish. I am rain for the earth. I am a drink for people. I am ice, snow, pools, puddles. I am river, lake, pond, sea and ocean. Who am I? Can you guess? water Water is very _ on the earth. 70% 50% 90% How much water is there on the earth? large Read silently about para.1 and ask some questions. Where Who How much What How many Why 1. How many kinds of water are there on the earth? What are they? 2. What is salt water? What is fresh water? How much are they? Questions: How many kinds of water are there on the earth? What are they? There is salt water and fresh water on the earth. Read and answer What is salt water? What is fresh water? How much are they? Salt water is water from seas and oceans, 97% of water is salt water. Fresh water is water from rivers and lakes. 3% of water is fresh water. Read and answer Peoplewash clean make power drink swim cook water crops People need water to make power(发电发电 ） water crops 点击此处添加文本点击此处添加文本 点击此处添加文本点击此处添加文本 点击此处添加文本点击此处添加文本 点击此处添加文本点击此处添加文本 People waste water when they keep water running. 点击此处添加文本点击此处添加文本 点击此处添加文本点击此处添加文本 点击此处添加文本点击此处添加文本 点击此处添加文本点击此处添加文本 People waste water when they water plants. 点击此处添加文本点击此处添加文本 点击此处添加文本点击此处添加文本 点击此处添加文本点击此处添加文本 点击此处添加文本点击此处添加文本 People make water dirty when they throw trash into rivers. 点击此处添加文本点击此处添加文本 点击此处添加文本点击此处添加文本 点击此处添加文本点击此处添加文本 点击此处添加文本点击此处添加文本 People make water dirty when they throw trash into lakes. What should we do? save waterkeep water clean Group Work: Talk about how to save water. Tips: 1. Four students make a group and talk about simple steps to save water. 2. Write down at least two ideas. 3. Choose one student to report. (1)Retell the text according to the Board Writing. (2)Tell your friends or families your ideas on saving water. Homework:Homework: