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教学资料参考范本九年级英语上册Unit 4 Amazing ScienceTopic2 SectionA 教案 仁爱版撰写人：_时 间：_activities are 1a and 2a. 本课重点活动是1a和2a。. 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/from3. Learn the simple past passive voice:(1)When was it developed?Around 19xx. (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.5. Talk about new technology and inventions. . Teaching aids 教具火箭模型/牙刷/墨水/纸/录音机/小黑板/MP3/各种发明的图片/魔盒. 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, weS1S2S3S4T:Well done! But do you know how the spaceships are sent up from the ground into the 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? Let1a 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 a rocket is used for?Its used for sending satellites/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。)toothbrush T:(作刷牙的动作。) Its used for brushing teeth. Whats it made of, S2?S2:Its made of plastic.T:Very good! Youre right.(摸出墨水。) 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 its material? (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 a rocket is 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。)IIts 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。)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 / not allowed / be bad forKangkanga model rocket / be made of metalbe used for / satellites or spaceships / learn from3. (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:(手举MP3。) 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 19xx. 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 forhelp us to improve our English, developaround 19xx, 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 19xx. 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、火车等等，学生可以在谈论自己感兴趣的发明中不断地使用was developed in / be made of / be used for这些目标语言。)2. Homework:T: Please write down a short passage about your favorite invention in your exercise books.板书设计：When was it invented?Section Abe made of When was it developed?be made from It was developed be used for Where was it developed? It was developed in 9 / 9
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