Unit 4 Amazing Science-Topic 1 When was it invented -Section B-ppt课件-(含教案+素材)-市级公开课-仁爱科普版九年级上册(编号：f00a0).zip

Review:Review: Playagame: Use“bemadeof/from” “beusedfordoing” Playagame:Playagame: “bemadeof/from”“bemadeof/from” “beusedfordoing”“beusedfordoing” paper sweater watch chopsticks lock camera Review:Review:Review:Review: bebemadeof/frommadeof/from beusedbeusedfordoingfordoing 20502050 NewNewinventionsin2050in2050 Whatamazinginventions!Whatamazinginventions!Whatamazinginventions!Whatamazinginventions! WhatwillourlifebelikeinthefutureWhatwillourlifebelikeinthefutureWhatwillourlifebelikeinthefutureWhatwillourlifebelikeinthefuture becauseoftheinventions?becauseoftheinventions?becauseoftheinventions?becauseoftheinventions? OurlifewillbeOurlifewillbeOurlifewillbeOurlifewillbe_andandandand _._._._. easiereasiereasiereasier morecolorfulmorecolorfulmorecolorfulmorecolorful the19the19th thand20 and20th th centuriescenturies fridge Aguessinggame:Aguessinggame:Guess Guess inventionsinventions! ! battery robot spaceship gun candle How does the candle change our life? darkness palaceacommonroom brightbrighter brighterbrighterbrighterbrighter The light bulb is a very important invention because it can make our world . lightbulb blbblb bright He is a great inventor. Thomas Edison. How much do you know about him?How much do you know about him?How much do you know about him?How much do you know about him? Who invented the light Who invented the light Who invented the light Who invented the light bulb?bulb?bulb?bulb? Heinventedmorethantwothousand things. How many things did he invent during his life? His quote（名言）: 天才就是1的灵感加上99的汗水。 爱迪生 Geniusis1%inspirationand99%perspiration. We can learn hard work and persistence from the great inventor. 坚坚持 Its said that he failed more than 8000 times before the light bulb was invented. What can we learn from Thomas Edison? 杨贵妃 皇上，我 要吃荔枝 荔枝 来啦 In ancienttimes 一骑红尘妃子笑 无人知是荔枝来 杨贵妃 皇上，我 要去迪士 尼 走起 ！ Nowadays airplane The airplane is a very important invention because it helps us get to some place .quickly -Whoinventedtheairplane? -WilburandOrvilleWright. wilb :vl rat thefirstairplane The first airplane is quite different from todays. Where did people listen to the opera in the old days ? In the theater or in the open air. How did people listen to the opera at home in the 1950s? They listened to the opera on the radio. The radio is a very important invention. -Whoinventedtheradio? -GuglielmoMarconi. m:kuni thefirstradio ThethreeinventionshaveThethreeinventionshave changedourlifegreatly.changedourlifegreatly. Watch a video . When were the 3 inventions invented? InasciencemuseumInasciencemuseum Fill in the blanks. Invention Inventor Year light bulb radio airplane Thomas Edison Wilbur and Orville Wright 1879 1895 1903 Guglielmo Marconi Readaloudtogether. InventionDescription The light bulb was invented by Thomas Edison in 1879. The radio was invented by Guglielmo Marconi in 1895 . The airplane was invented by Wilburand OrvilleWright in 1903. 据说说 在他一生中 Role Play: Read1aaloud!Read1aaloud!Read1aaloud!Read1aaloud! thefirstcar The first car is quite different from todays. thefirsttelevisionthefirsttelevisionthefirsttelevisionthefirsttelevision The first television is quite different from todays. thefirsttelephone The first telephone is quite different from todays. A. Karl Benz C. Alexander Graham Bell B. John Baird Invention Inventor Year a.1926 b.1876 c.1885 3Listentothethreepassages.Matchthepictureswith thefollowinginformation. jeans InventionsinDressing 1.Where were the jeans produced? 2.Who were the jeans designed for? 2Fillintheblankswiththeproperformsof thegivenwords. The first jeans were produced in 1855. At that time, they _(not call ) jeans and they were just hard-wearing pants designed for workers. The pants _ (make ) of the brown cloth. This kind of cloth _ usually _(use) for making tents. Nowadays, their materials have been changed so that it feels more comfortable. And many different jeans styles _ also _(create). They _( design) not only for workers but also for teenagers and women. Later jeans are popular all over the world. were not called weremade was used arecreated are designed 耐磨的，adj. hard-working,勤劳劳的 PassiveVoice（被动态） structure（结构）: SimplePresentPassiveVoice：一般现在时被动态 _+_ SimplePastPassiveVoice：一般过去时被动态 _+_ am/is/aredone was/weredone Inventions in the 19thand 20th centuries Ng InterestinginventionsInterestinginventions inin thethe21st21stcenturiescenturies Show time:Show time: WiththedevelopmentofWiththedevelopmentof scienceandtechnologhy,morescienceandtechnologhy,more andmoreandmoreinventionsinventionshavehave appearedandappearedandtheythey havechangedourlifehavechangedourlife greatly!greatly! easyeasyeasyeasyeasyeasy normalnormalnormalnormalnormalnormal normalnormal normalnormalnormalnormal harhar d d hardhardhardhardhardhardhardhard -Whoinventedthelight bulb?When? -Thelightbulb_ _ was invented by Thomas Edison in 1879. (1 flag) Youarealuckydog.Youarealuckydog.Youarealuckydog.Youarealuckydog. OneOneOneOneflagflagflagflag. . . . 罗晨朔上周在游乐园怎么了 ？ Hiscellphoneby someone. (1 flag) wasstolen often ,beat, beat, yesterday BigBigWolf often byRed Wolf. BigBigWolf _ byRedWolf yesterday. (2 flags) BigBigWolfBigBigWolf RedWolf BigBigWolf is is beatenbeaten wasbeatenwasbeaten Youarealuckydog.Youarealuckydog.Youarealuckydog.Youarealuckydog. TwoTwoTwoTwoflagsflagsflagsflags. . . . 看图写话： break, by Xiaobao, yesterday punish, by, again The bowl _ _ _ Xiaobao yesterday. Xiaobao _ _ _ Miss Lin again. (2 flags) waswasbrokenbrokenbyby waswaspunishedpunishedbyby Translation: 1._ _ _ _ (据说）he invented more than 2000 inventions _ _ _ . (在他一生中） 2.My keys (hide) by Xiaobao just now. (3 flags) It is said that during his life were hidden Translation. 1.我刚才被邀请去林老师的办公室了。 IMissLinsoffice. 2.我被林老师表扬了。 （虚惊一场） IMissLin. 3.我被要求期末考要考第一名。 Iwinfirstplacein thefinalexam. (3 flags) wasrequiredto waspraisedby wasinvitedto 1.Thecheese themouse. 2.Thecat thedog. waswaseateneatenbyby wasrunafterbywasrunafterby (3 flags) 3.Themouse (catch)the cat. wascaughtwascaughtbyby We learn: 1.Some words: bulb, airplane, hard- wearing 2. Some phrases: Its said that., during ones life. We can: 1.Usethesimplepastpassivevoice: 2.Talkabouttheinventorsofsome greatinventions. Weshouldlearnthehardworkand persistencefromthem. Read1a. FinishSectionBinyourworkbook. SearchtheInternetforyourfavorite invention,thenwriteareport. THANKS Unit 4 Amazing Science Topic 1 When was it invented? Section B 教学设计教学设计 一、教学目标和教学重难点一、教学目标和教学重难点 （一）教学目标 1.语言知识：掌握本课的重点词汇和短语，继续学习一般过去时的被动语 态。 2.语言技能：1、能够根据需要正确运用一般过去时和一般现在时的被动 语态。 2、能够听懂含有一般过去时的被动语态的短文和对话。 3、能够运用一般过去时的被动态描述发明 3.情感态度：有兴趣了解各种发明的历史和用途；知道发明大大改变了我 们的生活； 能受到发明家们的精神鼓舞。 （二）教学重难点 1.重点：运用一般过去时的被动态描述发明。 2.难点：1、能熟读课文出现的发明家的名字以及年份。 2、能灵活运用一般现在时以及一般过去时的被动态。 （三）学情分析 学生学习英语积极性高，学习兴趣较浓，学习的主动性增强，语言表 达能力较强。 二、教学过程二、教学过程 教学步骤教学内容教学目的 Step 1 Revision Play a game: The big wheel to make some sentence with “be made of/from” and “be used for doing”. 复习 Section A 所 学词组：be made of/from, be used for doing sth. 2 Step 2 Lead-in 1. Watch a video about new inventions in the future and talk about our life in the future. 2. Play a guessing game: Guess inventions 3.Compare the functions of the candle and the light bulb. Talk about Thomas Edison. 4. Use two interesting cartoons to compare the horse with the airplane. Talk about the airplane. 5. Show pictures and ask some questions to talk about the radio. 用未来的发明来 吸引学生的注意 力，激发他们想 了解发明的热情， 为接下来的教学 做好铺垫。 导入新课，激发 学生了解三个发 明以及三位发明 家的兴趣。 Step 3 Look, Listen and Say(1a) 1. Watch a video. 2. Fill in the blanks. Describe the 3 inventions according to the table. 3.Explain the key points in 1a. 4.Role play: Read the dialogue. 边看边听，跟着 文章主人公一起 逛科学博物馆， 激发兴趣，会用 一般过去时的被 动态描述发明。 Step 4 Listening (Part 3) 1. Show some pictures of the car, telephone and the television in the old days and talk about them. 2. Listen to the tape and match. 通过展示三样发 明最初的样子激 发学生想了解它 们的兴趣。 Step 5 Practice &Consoli dation (Part 2) 1. Talk about the jeans. Show a text they learnt before to review some knowledge about jeans. 2. Fill in the blanks to learn more about jeans. 3.Check the answers and review Passive Voice. 检查他们对以往 知识的掌握程度， 了解服饰方面的 发明，并会灵活 运用一般现在时 以及一般过去时， 对被动语态加以 巩固。 3 Step 6 Show Time A student come to show some interesting inventions in the 21st century. 通过学生展示 21 世纪的有趣发明 激发他们想了解 更多新发明的兴 趣，了解发明很 大地改变了我们 的生活。 Step 7 A Competiti on Students do some exercises to review what theyve learnt in this class. 通过这一环节训 练学生的反应能 力，通过比赛， 活跃课堂气氛,同 时复习旧知识。 Step 8 Summary and assignmen t 1. Summarize what they have learned in the class. 2. Read 1a. 3. Finish Section B in your workbook. 4. Search the Internet for your favorite invention, then write a report. 通过总结本课所 学知识点和课后 的练习让学生及 时巩固新知识， 建立更深刻的印 象。培养学生课 后及时复习和解 决实际问题的学 习方式。 Many new inventions make our daily life easier and more convenient. Balanced car 2018 2018 The UAVThe UAVThe UAVThe UAV The unmaned aerial vehicle(无人机） The UAV Balanced car The UAV