福建省南平市光泽二中九年级英语《Unit4 topic2 SectionA》教案.doc

福建省南平市光泽二中九年级英语unit4 topic2 sectiona教案一说教材.教材分析与教材处理：本单元教学内容主要围绕学习谈论发明和新发明；复习巩固被动语态的构成，学习一般过去时的被动结构方面的话题展开的。从教材编排体系来看，先是谈论电脑的重要性，然后运用被动语态谈论各种发明，让学生体会这些发明创造给我们的生活所带来的影响，从而使学生崇尚科学，学习科学。而我所讲的topic2 sectiona正是本单元的中心部分，它起着承上启下的作用。教学目标:1.学习掌握一些生词和表达用语。 metal, toothbrush, ink, recorder2. 继续学习现在时被动语态的用法。 whats it made of/from? its made of/fromwhats it used for?its used for 3.学习一般过去时被动语态的用法。 (1)when was it developed?around 1998. (2)where was it developed?it was developed in korea.4. 通过谈论发明和新发明，让学生体会这些发明创造给我们的生活所带来的影响，从而使学生崇尚科学，学习科学。 b能力目标：1、培养学生积极主动参与课内外听说读写等语言实践活动，在训练中积极与他人合作，共同完成任务的意识，有表达自己见解和真实感受的愿望和能力。2、培养学生在预习和自学的过程中，积极主动利用工具书及现代化信息技术拓展学习资源，自主学习，获取信息，探究问题，解决问题的能力，培养学习用英语做事的能力。c情感态度目标。1、引入竞争机制，增强竞争意识，同时培养学生的合作精神。2、培养学生在生活中崇尚科学，学习科学。3、采用多元化的评价，培养和激发学生积极的情感态度。二.教学方法：五指教学法/交际教学法/任务型教学法二.教学手段：为了使教学更直观、生动，让学生更易于掌握知识，利用多媒体进行电教化立体教学，增加直观性、趣味性，加大课堂容量、密度，提高教学效果。理论依据：多媒体教学相对于传统教学而言，它具有图文并茂、有声有色的特色，生动逼真的教学环境，使得枯燥乏味的学习变得趣味横生，使复杂抽象的知识变得形象易懂 。三说学法。本节课我侧重训练学生通过合作探究来获取知识，通过设计有效的问题，设置真实得情景来激发学生学习的兴趣，使学生能够自己总结语言规律培养运用英语解决实际问题的能力，形成自主、合作、探究的学习精神，让学生在用中学，在学中用。四说教学过程。第一步 导入(1)师生问候（greetings)(2) 师生对话，让学生尽量用被动语态叙述计算机的作用。(3)看图说话：让学生观看一组图片，并要求用被动语态完成句子。（设计目的：在图片中学习英语，并采用游戏的方式，激发学生的兴趣。）第二步 呈现1、让学生观看动画1a录音，回答问题（1）whats it made of?（2）what is a rocket used for?（设计目的：呈现新对话，我利用观看动画回答问题，设置视听情景，同时，让学生反复兰度并找出相应的重点句型，增强记忆，突破本课重点，这样做的目的是学生能做的让他们自己做，让每一个学生都主动投入到课堂活动中来，始终坚持以学生为本，教师起主导作用这一理念）2、给出关键词 ，复述对话。（设计目的：此处为本课的难点，为突破这一难点，教师给学生充足的准备时间，让学生逐个复述，期间及时鼓励学生，增强学生信心。）3、小组合作，找出1a的重点词组及要点，同时教师帮助学生掌握allow和wish的用法。（设计目的：学生通过这一环节既能有自主学习的机会又锻炼了与他人合作的能力，让每个学生都动起来，在完成任务的过程中达到语言学习的目的。）第三步 巩固1、在学生熟悉了对话内容的基础上进行分组对话练习，以角色表演等形式巩固1a，并操练现在时被动语态的用法，体现学以致用原则，培养学生语言实际运用能力。第四步 练习 1. 教师展示一些发明的图画，使用一般过去式被动语态谈论。2. 在熟悉一般过去式被动语态的用法之后，观看动画1b,完成1c。3. 运用所学的一般过去式被动语态谈论各种发明。（设计目的：借助图片，运用所学的一般过去式被动语态的句型操练，通过小组活动，培养学生的合作精神，为活跃课堂气氛，提高学生的学习兴趣，教师采用抢答的形式，调动学生学习的积极性。）第五步 综合探究活动 write three inventions you think the most important. then search the imformation of them. write a short passage about them , using the simple past passive voice. （设计目的：新课标指出英语教育的目标是培养学生语言中和运用能力，此活动是为学有余力的同学设计的，真正做到体现面向全体学生，培养学生用英语做事的能力。）第六步 家庭作业课标建议教师把“任务型”教学活动延伸到课堂之外的学习和生活中，因此，我在家庭作业的布置中，分常规性作业和探究性作业，常规性作业就是完成练习册，背诵本节课的新单词和1a内容，进一步巩固本节课内容。探究性作业，要求写出几个一般过去式被动语态的句子。五.说评价教师根据学生活动中的不同表现，选用不同等级的真实评价语，使教师的评价成为课堂教学真实交流的一部分，如excellent,perfect,wonderful,very good,good,well done等。topic 2 when was it invented?section a. teaching aims and demands 教学目标1. learn some new words:metal, toothbrush, ink, recorder2. learn some useful sentences: whats it made of/from? its made of/fromwhats it used for?its used for 3. learn the simple past passive voice:(1)when was it developed?around 1998. (2)where was it developed?it was developed in korea.4. learn how to express hopes and wishes:(1) i wish i could go into space some day.(2) i hope your dream will come true.5. talk about new technologies and inventions. . teaching aids 教具 多媒体课件. five-finger teaching plan 五指教学方案step 1 review 第一步 复习(时间:6分钟)师生对话，让学生尽量用被动语态叙述计算机的作用，引出生词rocket并导入新课。t:boys and girls, weve learned about the importance of computers. can you tell me something about them in passive voice?s1:computers are used by doctors to find diseases easily.s2:robots are controlled by computers to do dangerous work.s3:in business, computers are used to place and cancel orders.s4:spaceships are mainly controlled by computers.t:well done! but do you know how the spaceships are sent up from the ground into space?s4:they are sent up by rockets. (帮助学生回答。)(出示火箭模型，板书并帮助学生理解rocket。)rockett:look! this is a model rocket. whats it made of? whats it used for? lets come to 1a and talk about it.step 2 presentation 第二步 呈现(时间:13分钟)用具体实物设置情景，师生对话，学习生词和新句型。找出关键词句和目标语言，为交际积累材料。1. (师生对话，用实物引出生词，学习新句型。)t:(让学生摸一摸火箭模型) whats it made of?s1:its made of “金属”.t:yes, its made of metal.(板书句型及生词，并让学生掌握。)metalwhats it made of?its made of metal.t:do you know what a rocket is used for?ss:its used for sending spaceships into space.t:yes, its used for sending spaceships or satellites into space.(板书句型并要求学生掌握，帮助学生理解satellite。)satellitewhat is a rocket used for?its used for sending satellites or spaceships into space.(摸出牙刷。) t: how do you say this in english, s2?s2:sorry, i dont know.t:ok, it is a toothbrush.(板书toothbrush，领读并要求学生掌握该单词及复数形式。)toothbrush toothbrushes t:(手拿牙刷问)whats it used for?s2:its used for brushing teeth.t:whats it made of, s2?s2:its made of plastic.t:very good! youre right.(摸出一瓶墨水。) whats this in english, s3?s3:sorry, i dont know.t:its a bottle of ink.(板书，领读并要求学生掌握。)ink t:do you know what it is used for?s3:its used for writing.(从魔盒中摸出一张纸，做神秘状。)t:how do you say this in english, s4?s4:its a piece of paper.t:can you tell me what it is made from? (让其摸一摸，看一看。)s4:sorry, i cant.t:let me tell you. it is made from wood. (说的时候语速要慢，重音放在from。)(引导学生总结be made of与be made from的区别。板书并解释。)be made of + 材料：表示原材料容易被看出。be made from + 材料：表示原材料经过化学变化，不易被看出。2. (让学生不要打开课本，听1a，回答下列问题，听后核对答案。)t:dont open your books. listen to the tape carefully and try to find out the answers to the questions.(出示小黑板。)(1)why is jane unhappy?(2)who made the model rocket?(3)what is a rocket used for? (核对答案。)3. (让学生打开课本，找出疑难句。教师出示小黑板。)im not allowed to play computer games.its made of metal.its used for sendingintoi wish i could go into space some day.(解释此句使用了虚拟语气，在此只要求了解。)i hope your dream will come true.step 3 consolidation 第三步 巩固(时间:8分钟)巩固1a及be made of/from, be used for的用法。完成1b。1. (让学生打开课本，再听1a录音，学生跟读，感受纯正的语音语调。) t: open the books, listen to the tape and read after it. pay attention to the pronunciation and intonation.2. (让学生找出对话中的关键词，教师板书。然后让学生根据关键词两人对话复述1a。)t: boys and girls, lets find out the key words together, ok?(板书)janeunhappy / be not allowed to / be bad forkangkanga model rocket / be made of metalbe used for / satellites or spaceships / learn from/ wish/ hope/ come true3. (让学生认真阅读1b中的例子，然后让他们仿照例子用实物编对话，完成1b。)t:in 1b, we can see two dialogs. read them carefully and pay attention to the sentence patterns, “be made of”, “be made from” and “be used for”. make similar conversations in pairs.step 4 practice 第四步 练习(时间:13分钟)由一般现在时的被动语态，引出一般过去时的被动语态并加以操练。引出2a的内容，展开任务型活动，让学生掌握目标语言。完成2b。1. (继续操练be made of/from及be used for的用法。)t:(老师手指录音机问。) boys and girls, whats this in english?ss:we dont know.t:its a recorder.(板书生词并让学生掌握。)recordert:whats it used for?ss:its used for helping us to improve our english. (引导学生回答。)t:yes, what is this? (从魔盒里拿出mp3。)ss:its an mp3 player.t:yes, it was developed in korea. its more useful than a recorder.(板书画线句子让学生观察，并与一般现在时的被动语态相比较，帮助学生总结出一般过去时被动语态的构成并举例作适当讲解。)was/were+及物动词的过去分词it was developed in korea.the bridge was built in 1990.the cup was used in old days.t:(手拿mp3问。) when was it developed? and whats it used for? lets listen to 2a.2. (放录音，听后核对答案。)t:s1, answer the questions, please!s1:the mp3 player was developed around 1998. its used for helping us to improve our english. its more useful than a recorder.3. (让学生阅读2a对话，找出关键词，为下一步活动做准备。) t: read 2a, and underline the key words.(板书关键词。)an mp3 player, be used for,help us to improve our english, develop,around 1998, korea, more useful, recorder, buy4. (指导学生利用黑板上的关键词复述2a对话，巩固一般过去时被动语态的句型。完成2a。)t:who would like to retell 2a? s2, please!s2:kangkang is listening to mp3. its very nice. its used for helping us to improve our english. it was developed in korea around 1998. its more useful than a recorder.t:very good!5. (指导学生完成2b。师生互动，提高学生口语表达能力。)example:t:how do you say it in english?ss:digital camera. (帮助学生回答。)(板书digital，要求学生理解。)digitalt:when was it developed?ss:it was developed in 1975. t:where was it developed?ss:it was developed in america. t:whats it used for?ss:its used for taking photos. t:do you understand? practice the dialogs with your partner. lets begin. step 5 project 第五步 综合探究活动(时间:5分钟)利用各种发明的图片操练一般过去时的被动语态，让学生在探究中锻炼语言综合运用能力。1. (收集各种发明的图片，如传真机、汽车、火车等，学生可以在谈论自己感兴趣的发明中不断地使用wa