Unit 4 Amazing Science-Topic 1 When was it invented -Section A-ppt课件-(含教案+视频+音频+素材)-市级公开课-仁爱科普版九年级上册(编号：a009b).zip

Time to Read 朗读时刻朗读时刻 Step 1 Warming-up 热身热身 Five-minutes Talk 课前展示课前展示 Step 1 Warming-up 热身热身 Step 2 Revision 复习复习 1.Which language is spoken by the largest number of people in the world? Chinese is spoken by the largest number of people in the world. 2. Which language is the most widely used in the world? English is the most widely used in the world. 一般现在时的被动语态结构：一般现在时的被动语态结构： be + done （动词的过去分词）（动词的过去分词） 2分分 Step 3 Presentation Topic 1 Section A When was it invented? invention发明发明 Three Apples Have Changed the World!iphone5s广告你比你想象的更强大广告你比你想象的更强大_高清高清_标清标清.flv 三三个个苹苹果果改改变变世世 界界 1.Whats the video about? It is about _ a cellphone. 2分分 2.Whats it used for? Its used for_ The cellphone is a great invention. 手机是一个伟大的发明。手机是一个伟大的发明。 telling the time , taking photos Step 4 Guessing Games 竞猜时刻竞猜时刻 Lets come into more great inventions. laptop 手提电脑手提电脑 2分分 lock 锁锁 2分分 digital camera 数码相机数码相机 3分分 spaceship 宇宙飞船宇宙飞船 3分分 rocket 火箭火箭 3分分 Step 5 1a-P81 1. Jane is unhappy because she was not allowed to go to a party last night.( ) 2. Kangkangs father made a model rocket for him. ( ) 3. The rocket is made of metal. ( ) 4. A rocket is used for sending satellites or spaceships into space. ( ) F F T T 1b Listen to 1a and mark T (True) or F (False) 1分分 1a Listen , look and say 导学案导学案 二、听二、听1a并完成以下问题并完成以下问题 2分分 1.WhydidKankangaskJanenottospendtoo muchtimeoncomputergames? Because 2.Whatsarocketusedfor? Its used for 3.WhotaughtKangkangsomeknowledgeabout spaceships? taught Kangkang some knowledge about spaceships. 4.WhatsKangkangsdream? Kangkangs dream its bad for her health if she spends too much on them. sending satellites or spaceships into space. Mr. Brown is to go into space one day. 1.What problems will it cause if you spend too much time on computer games ? too tired headache sore eyes 2.Whatsarocketusedfor? Itsusedforsendingsatellitesorspaceships intospace. be used for 被用来做 be used to do 被 用来做 be used as 被用作 be used by 被某人使用 used to do sth. 过去常做 be used to doing sth. 习惯于做 课堂导学课堂导学 2 5、3、2分分1a-P81 卡拉卡拉 ok.rmvb 火眼金睛：火眼金睛：Key Sentences 1.Because I was not allowed to play computer games last night. 2. Its bad for your health if you spend too much time on them. 3. It was made by me. 4. Its made of metal. 1.5. Its used for sending satellites or spaceships into space. 6. I hope your dream will come true. 如果你花太多时间在上面的话会对你的健康有害如果你花太多时间在上面的话会对你的健康有害 因为我昨晚不被允许玩电脑。因为我昨晚不被允许玩电脑。 它是由我制造的它是由我制造的。 它是由金属制造的。它是由金属制造的。 它是被用来把卫星和宇宙飞船发射到太空中。它是被用来把卫星和宇宙飞船发射到太空中。 我希望有一天你的梦想会实现。我希望有一天你的梦想会实现。 be not allowed to do sth不被允许做某事不被允许做某事 实现实现 be used for doing sth 被用来做被用来做 2分分 自主学习自主学习 1.1. 被允许做某事被允许做某事 2.2. 花费时间在某事上花费时间在某事上 3.3. 用用制成（制成（看得见看得见原料）原料） 用用制成（制成（看不见看不见原料）原料） 4.4.用于做某事用于做某事 1.1. 5.5.向、学习、向、学习、 2.2. 6.6.实现，变成现实实现，变成现实 be allowed to do sth spendon sth/ (in) doing be made of be made from be used for doing sth come true learn from 1分分 be made of/ be made from 选择填空选择填空 (1)The computer desk is made_ wood . (2) Paper is made _wood . (3) The red wine is made _grapes . (4) Toothbrushes are made_ plastic . (5) My sweater is made_ cotton . (6) Their rulers are made_ steel . of from from of of of 1分分 Step 6 P82-2 Time to Make Things 造物时代造物时代 be made of or be made from A: Whats the lock made of? B: Its made of metal. A: Whats it used for? B: Its used for locking the door. 2. Follow the example to make up similar conversations. lock/metal A: Whats the paper made from? B: Its made from wood. A: Whats it used for? B: Its used for writing on. paper/wood Choose the point you want to challenge. 选出你们敢挑战的分数吧！选出你们敢挑战的分数吧！ 13 10 86 5 A: Whats this in English ? B: Its a computer desk. home 请任意说出一句被动语态的句子请任意说出一句被动语态的句子 home watch / metal / telling time A: Whats the watch made of ? B: Its made of metal. A: Whats it used for? B: Its used for telling time. home A: Whats the computer desk made of ? B: Its made of wood. A: Whats it used for? B: Its used for holding a computer. computer desk / wood/ hold a computer home chopsticks / bamboo/ eat things A: What are the chopsticks made of ? B: They are made of bamboo. A: What are they used for? B: They are used for eating things. home sweater / cotton/ keep warm A: Whats the sweater made of ? B: Its made of cotton. A: Whats it used for? B: Its used for keeping warm. home Step 7 Summary 小结小结 1.词组的掌握词组的掌握 be allowed to do; come true; spendon be made of; be made from; be used for doing sth 2. 一般过去时的被动语态的构成一般过去时的被动语态的构成 肯定形式：肯定形式： was/ were + done 否定形式：否定形式：was/ were+ not +done ( )1.He _play computer games unless he finished his homework. A. was allowed to B. was not allowed to C. allow to D. is allowed to ( )2.We all know that paper _wood. A. is made of B. is made into C. is made from D. is made in ( )3.This kind of machine _in 2006. A. is invented B. is made C. was invented D. is made of B C C 堂上小测堂上小测: 导学案导学案 一、选择正确答案一、选择正确答案 ( )4.A(An)_is used for taking photos. A .camera B. lift C. MP3 player D. TV ( )5. We should spend more time _because its too important. A .to learn English B. learning English C. in English D. for English A B Step 8 Homwork 1.Finish your learning paper Exercise 2.3 2.Read P81 1a 3 times 3.Preview Section B 1 一、教材分析一、教材分析 该部分内容主要通过 Kangkang 和 Jane 的一段对话呈现主要教学 内容，复习一般现在时的被动语态，感知和自然引出这个单元将学 习的一般过去时的被动语态， ，并学习关于发明物的材料及用途，激 发学生对科技和发明的兴趣。 二、学情分析二、学情分析 本班学生属于农村的生源，据了解全班有三分之二属于外来工 子弟，学生的英语基础较弱，单词拼读能力和句子朗读能力较差， 学生较为内敛，学英语和开口讲英语自信不足，为了提高学习兴趣， 班级实行小组合作学习模式，教师在授课过程中也要不断给他们鼓 励和信心，激发他们学英语的兴趣。 三、教学目标三、教学目标 （一）语言知识和技能 1、能根据发音规则拼读和拼写单词； 2、能够听懂并正确朗读词汇表中本节课的单词和词组； 3、能够正确使用一般过去时的被动语态描写事物的发明和用途； 4、要求学生达到对课文内容的听说读写能力要求。 （二）情感态度 1、通过小组合作，培养团队精神，积极参与课堂活动。 2、了解一些发明的时间和地点，增长见识和激发学生对科学的热爱。 四、重点、难点四、重点、难点 重点：重点： 1、一般过去时被动语态的构成和用法。 2、关于描述事物的用料及用途的一般过去时的被动语态句子，如： Whats it made of/from? Whats it used for? 难点：难点：1、被动语态中过去分词的表达。 2、词组 be made of 和 be made from 的区别。 五、学习策略五、学习策略 1、能够清楚、大声地进行朗读，认真听录音和老师的发音，大胆开口， 反复模仿。 2、能够使用一般过去时的被动语态描述事物。 3、养成预习和复习的好习惯。 六、教学过程。六、教学过程。 Step1.Warming-up （热身）（热身） 1、Reading 朗读 2、Five-minutes Talk 五分钟讲话课前展示。 Step2.Revision （复习）（复习） 复习上一节课所学的内容和语法即一般现在时的被动语态，自然引出 本课的语法即一般过去时的被动语态。 2 Step 3.Presentation（呈现）（呈现） 1、利用图片和视频进行生词教学，例如三个苹果的图片，说出它代 表着什么的发现和发明。 2、呈现语法和句型。Whats it made of/from? Whats it used for? Step4. Practice（练习）（练习）P81 1b 1、学生听录音 1a，并完成 1b 的练习。教师个别抽查或者全班回答。 2、 导学案 二, 听 1a 并完成回答问题。 3、分成小组，模仿节目中国好声音进行卡拉 OK 朗读比赛，选 出“3 班好声音” 。 Step5. Consolidation（巩固）（巩固） 导学案导学案 1、教师在原有的基础上反复操练新学的单词和句型。 2、检查导学案的预习作业。 3、完成练习，加强区别 be made of 和 be made from。 4、完成导学案的课后巩固一。 Step6.Summary（小结）（小结） 引导学生列出本节课所学内容，即单词、词汇、句型和语法。 Step7. Assigning homework（作业布置）（作业布置） 1、完成导学案第二、三题。 2、朗读并背诵 1a。 3、预习 Section B 七、教学反思七、教学反思 本节课较好地完成了教学任务，利用小组合作学习模式，课堂气氛活 跃，大部分学生能够开口说英语，达到提升他们学习英语的兴趣，小组讨 论学习达到预期效果。大部分学生较好的掌握了本节课内容。 但是也存在不足之处： 1.课前展示部分，可以看出学生还是很紧张，今后仍需多点上台展示， 增强自信心； 2. 部分学生在讨论时，说中文过多，不利于锻炼口语； 3. 重点句型 Whats it used for?后面接动词的 ing 形式出错较多，在下 一节课应该要重点讲解。 4.教师讲解 1a 部分时有些拖沓，导致后面时间有点赶，今后有待提高。