2019-2020年九年级英语上册《Unit 4 Amazing Science》Topic2 SectionA 教案 仁爱版
2020九年级英语上册 Unit 4 Amazing science词汇精讲精练仁爱版
Unit 4 Amazing science词汇精讲精练词汇精讲1. invention（1）invention作名词，意为“发明；创造；虚构；发明物”。
例如：Necessity is the mother of invention.需要是发明之母。
The whole thing is an invention of a newspaper.整件事都是一家报纸虚构的。
The machine is his own invention.这台机器是他自己的发明物。
（2）invent是 invention的动词形式，意为“发明；创造；虚构”。
例如：Edison invented the light bulb. 爱迪生发明了电灯。
The whole story was invented. 整个故事是虚构的。
【拓展】invent和discover辨析：（1）invent 意为“发明，发明之物”指“从无到有”。
例如：Alexander Graham Bell invented the telephone in 1876.亚历山大·格雷厄姆·贝尔在1876年发明了电话。
（2）discover 意为“发现”，指“本来就已经存在，但不为人知”的事物。
例如：Columbus discovered America in 1492. 哥伦布在1492年发现了美洲。
2. thought（1）thought作名词，意为“思想；想法；见解；看法；主意”。
例如：The old man was lost in thought and did not hear us come in.这个老人凝神沉思，没有听见我们进来。
Learn new culture, create new thought, establish new idea and reach new success. 学新文化，创新思想，立新观念，铸就新成功!Don’t give it another thought.不要再想了。
九年级英语上册 Unit 4 Amazing Science Topic 2 I’m excite
九年级英语上册Ｕｎit 4 Ａmaziｎg Scｉeｎｃe Topic 2 I’m excｉte ｄaｂout the ｔhingｓｔhat wiｌl be dｉscovered in thｅfutuｒe重点词组句型词汇归纳素材（新版）仁爱版编辑整理:尊敬的读者朋友们:这里是精品文档编辑中心，本文档内容是由我和我的同事精心编辑整理后发布的,发布之前我们对文中内容进行仔细校对,但是难免会有疏漏的地方,但是任然希望(九年级英语上册Uｎit 4 Aｍazi ｎｇＳciｅnce Tｏpic 2 I’m eｘciteｄａbout tｈe thiｎｇs that ｗill be ｄiscovered ｉn the ｆuturｅ重点词组句型词汇归纳素材(新版）仁爱版）的内容能够给您的工作和学习带来便利。
同时也真诚的希望收到您的建议和反馈,这将是我们进步的源泉，前进的动力。
本文可编辑可修改，如果觉得对您有帮助请收藏以便随时查阅,最后祝您生活愉快业绩进步，以下为九年级英语上册Ｕnit 4 Ａmazing Sｃience T opic 2 Ｉ’m ｅｘcitｅｄａｂout ｔｈe thinｇs tｈaｔwｉll be discoveｒed in tｈe fuｔuｒe重点词组句型词汇归纳素材(新版）仁爱版的全部内容。
Unit4 Ｔoｐiｃ2一、重点词汇:ﻫ１。
bｅ used fｏr +viｎg 被用做……2. coｍe ｔrue 实现3。
Ｉt’s ｓaiｄ that 据说ﻫ４. during／iｎｏｎe's liｆe 某人一生ﻫ5。
be known ａs 以……（身份)而著名ﻫ６。
kｎow/saｙｆor certaiｎ确切知道／肯定地说ﻫ7。
ａll ｔhｅ time 一直、总是8。
no longer=not…any longeｒ不再(no moｒｅ, nｏt…any morｅ）ﻫ９。
as long as 只要ﻫ10. as far as 就……，尽……ﻫ1１. make a gｒeaｔ contribｕtion 对……作12。
九年级英语上册 Unit 4 Amazing Science Topic 1 When was it
however, this method didn’t work well when the
Retell it !
根据首字母提示，完成短文。
Thanks to GPS, we can exactly know w h__e_re__we are now. GPS is like a man-made “star”. It can be u_s_e_d_ in
any place and any weather condition to find out our
• What’s it used for? • It’s used for communicating easily. • What’s it made of? • It’s made of plastic and metal. • Where was it invented? • It was invented in America. • When was it invented? • It was invented in 1973.
weather was bad. So GPS is a great invention that can
help humans to better ex__p_lo_r_e___ our planets.
Grammar
Passive Voice (Ⅱ)
The radio was invented by Guglielmo Marconi in 1895.
九年级Unit4AmazingScience教案
九年级Unit4AmazingScience教案九年级Unit 4 Amazing Science教案Unit 4 Amazing Science Topic3 I don’t think aliens can be found in space. Section C 九年级林丽娟Teaching aims and demands: 1. Learn more knowledge about Mars. 2. Foster students’ active attitude towards science and positively exploring the unknown fields of science. Teaching procedure: Step1 Review 1. Would you like to share your opinions with your classmates? A: How old is our earth? It’s about 4 600 million years old. B: .Do you like our planet? Why? If not, where do you prefer to live? 2. The teacher plays a video about Mars, then ask students to answer the following two questions: A. What does Mars look like? B. Do you think that Mars is a suitable place for human beings to live? T: Do you want to know more about Mars ? Let’s come to Section C. Step 2 Presentation 1. Let’s learn and master some new words first: solar system （Mars is the fourth planet from the sun in our solar system and is named after Mars, the Roman god of war. ） diameter （ A circle is divided into two halves by diameter） Roman （ 1. Do in Rome as the Romans do . 2 . All roads lead to Rome.） 2．Listen to 1a and scan it , then let students find out difficult sentences in the passage and the teacher writes them down on the blackboard. eg: 1)Its diameter is 53% as wide as that of the earth. 2) The gravity on the surface of Mars is about two-fifths as strong as it is on earth.3) Scientists are still searching for more information about Mars. Step 3 Consolidation 1. Let students read 1a again , discuss the following questions in groups and answer them , finish 1b, and then check the answers. (1) What does Mars look like? (2) What’s the weather like on Mars? (3) What’s t he gravity onMars? (4) What’s the temperature on Mars? (5) How far is it from the sun? 2. Ask students to tell something about Mars according to the following key words. Mars, the fourth… be named after… diameter distance from the sun shape climate gravity oxygen 3. Contest in groups. Divide the class into several groups. Let students discuss the questions in 1C, and finish it, encourage students to raise more questions about Mars. 4. The teacher makes a summary and leads to 2. T: Life on Mars is really wonderful, however, human beings still have so much unknown knowledge about it. So scientists are still searching for more information about Mars. Kangkang’s uncle sent an e-mail from Mars but some words are missing. Let’s listen to the tape and complete it. Step 4 Practice 1. Let students listen to 2, and understand the new word “limit” 2.Let students listen to 2 again and fill the blanks. Finish 2. 3. The teacher writes down the following sentences on the blackboard and let students learn and understand them , eg: (1) It has been two days since we landed on Mars. (2) We had to limit the use of water during those days.(3) … but the excitement of being on Mars is worth it. Step 5 Project 1. According to the information about Mars you have learnt from this topic, write a passage .Finish 3 2. Do some exercises and check the answers: Step 6 Homework 1.Write a short passage to introduce your life on Mars. 2.Finish the exercises of Section C 3.Preview Section D 课后反思： 1．通过Section C ，学生能了解到更多关于火星的知识。
2019九年级英语上册 Unit 4 Amazing science词汇精讲精练仁爱版
学习资料专题Unit 4 Amazing science词汇精讲精练词汇精讲1. invention（1）invention作名词，意为“发明；创造；虚构；发明物”。
例如：Necessity is the mother of invention.需要是发明之母。
The whole thing is an invention of a newspaper.整件事都是一家报纸虚构的。
The machine is his own invention.这台机器是他自己的发明物。
（2）invent是 invention的动词形式，意为“发明；创造；虚构”。
例如：Edison invented the light bulb. 爱迪生发明了电灯。
The whole story was invented. 整个故事是虚构的。
【拓展】invent和discover辨析：（1）invent 意为“发明，发明之物”指“从无到有”。
例如：Alexander Graham Bell invented the telephone in 1876.亚历山大·格雷厄姆·贝尔在1876年发明了电话。
（2）discover 意为“发现”，指“本来就已经存在，但不为人知”的事物。
例如：Columbus discovered America in 1492. 哥伦布在1492年发现了美洲。
2. thought（1）thought作名词，意为“思想；想法；见解；看法；主意”。
例如：The old man was lost in thought and did not hear us come in.这个老人凝神沉思，没有听见我们进来。
Learn new culture, create new thought, establish new idea and reach new success. 学新文化，创新思想，立新观念，铸就新成功!Don’t give it another thought.不要再想了。
2020年仁爱版英语九年级上册 Unit 4 Amazing Science 1附答案
【章节训练】Unit 4 Amazing Science 1参考答案与试题解析一、选择题。
1．Franklin ________ electricity，and Edison ________ the light bulb．A．discovered，discoveredB．invented，inventedC．discovered，invented【分析】富兰克林发现了电，爱迪生发明了灯泡．【解答】答案：C一般过去时表示过去某个时间里发生的动作或状态；过去习惯性、经常性的动作、行为；过去主语所具备的能力和性格．基本结构：主语+谓语（动词过去式）+句子其他成分；主语+was/were+形容词/名词/介词短语+过去时间．discovered意思是"发现"指的是发现原来存在的东西；invented意思是"发明"发明原来没有的东西．根据"electricity"以及"the light bulb"因此可知这句话的意思是"富兰克林发现了电，爱迪生发明了灯泡．"这都是指的是过去的情况，所以要用一般过去时来填空，故选C．【点评】首先要掌握这个句子的意思，然后结合具体的题目，就可以确定正确答案．2．﹣________ do you have a class meeting？﹣Once a week．A．How oldB．How farC．How oftenD．How long【分析】你多久会开一次班会？一周一次．【解答】答案：C．考查频度．句意：你多久会开一次班会？一周一次．A．How old 多大，问年龄B．How far 多远，问距离C．How often 多久一次，问频率D．How long 多久，问时间．根据题干Once a week．可知问的是频率．故选C．【点评】理解各个选项的含义，及其用法的区别，根据具体内容作答．3．﹣I want to listen to the song called Try Everything．Could you please help me look for it on the Internet？﹣Yes，________．A．that's trueB．it's funC．I agreeD．with pleasure【分析】﹣﹣我想听《Try Everything》这首歌，你能帮我在网上找吗？﹣﹣是的，我很乐意．【解答】答案：D．考查交际用语．A那是正确的．B它是有趣的．C我同意．D很荣幸．结合语境"﹣﹣我想听《Try Everything》这首歌，你能帮我在网上找吗？"．可知，应该回答"我很乐意"．选D．【点评】考查交际用语，在日常学习中要从实际情景交际中多练习，掌握一些习惯用语．结合语境，分析选项，选择正确的回答，完成练习．4．Textbooks for junior students ______ for free in most areas of China．A．provideB．providedC．are provided【分析】在中国大部分地区都免费提供初中学生的课本．【解答】答案：C联系语境，根据本句的主语为textbooks，结合选项谓语动词为provide，可知主语为谓语的动作承受者，指课本被提供，所以应该用被动语态；结合句意可知本句描述的为客观事实，所以应该用一般现在时，故此句应该用一般现在时的被动语态来表达，其构成为：am/is/are+过去分词；本句的主语textbooks为复数，所以用are，provide的过去分词为provided，故选：C【点评】本题考查一般现在时的被动语态．首先根据主谓语的关系确定出被动语态；再结合句子的意义确定出正确的时态；最后套用相关时态的被动语态的构成即可得出正确答案．5．﹣Dinner is ready．Help yourself!﹣Wow!It delicious．You are really good at cooking．A．looksB．soundsC．tastesD．feels【分析】﹣晚餐做好了．请随便吃．﹣哇！吃起来很美味．你真的很会做饭．【解答】答案：C．本题为系动词词义辨析．语法考点为简单句中的主语+系动词+表语．4个选项均为系动词，looks 看起来；sounds 听；tastes 尝，吃起来；feels 感到，感觉．根据题意可知，晚餐做好了，味道很好，应该是尝起来．故选C．【点评】本题是对简单句型主语+系动词+表语的考查，应审清题意，结合语境，选出正确选项．6．﹣I have to go out for a moment．Could you please look after my daughter？﹣_______．A．Good ideaB．I think soC．That's for sureD．My pleasure【分析】﹣﹣我得出去一会儿，你能帮我照看一下我的女儿吗？﹣﹣那是肯定的．【解答】答案：C．考查交际用语．A好主意．B我这么认为．C那是肯定的．D不客气（常用于已帮助别人时）．结合语境"我得出去一会儿，你能帮我照看一下我的女儿吗？"．可以回答"那是肯定的．"．故选：C．【点评】考查交际用语，在日常学习中要从实际情景交际中多练习，掌握一些习惯用语．结合语境，分析选项，选择正确的回答，完成练习．7．﹣What is ________ brother？﹣He is a policeman．A．Jim's and Paul'sB．Jim and PaulC．Jim and paul's【分析】﹣吉姆和保尔的哥哥是干什么的？﹣他是一名警察．【解答】答案：C．Jim and paul's 由答句He可以看出询问的是一个人，说明吉姆和保尔的哥哥是同一个人，名词所有格中，表示共同拥有的在最后一个名词后加's，故答案选Jim and paul's故选：C．【点评】学会上下文对应找线索，注意名词所有格（'s）的用法：分别拥有，分别加's，共同拥有在最后一个名词后加's．8．﹣﹣Would you like to visit the zoo with me now？﹣﹣Sorry．It's_____the visiting hours．Let's go there tomorrow．A．onB．overC．duringD．beyond【分析】﹣﹣你想现在和我去参观动物园吗？﹣﹣对不起．现在过了参观时间．让我们明天去那里．【解答】答案：D，on+天（一天的上午、下午、晚上）；over﹣在…之上、超过等；during ﹣﹣在…期间；beyond﹣超过；越过；那一边，根据It's_____the visiting hours．Let's go there tomorrow﹣是在参观期间，让我们明天去那里吧，说明现在不行，去动物园不属于现在参观的范围，故选：D．【点评】结合每个词语的意思，翻译对句子是关键．9．There are fifty students in our class，_____ of us _____ football．A．two third；likesB．two three；likeC．two thirds；likesD．two thirds；like【分析】我们班有50名学生．三分之二的学生喜欢足球．【解答】答案：D．根据语境﹣﹣of us _____ football，故一空处是分数，分数的表达方式为：基数词（分子）+序数词（分母），并且分子大于一时分母加s，据此可排除答案AB．根据语境us（复数）可知谓语应用复数，动词应该用原形，故选D．【点评】本题考查分数的用法，分数的表达形式为：基数词（分子）+序数词（分母），分子大于一时分母加s．考生在掌握基础知识的基础上结合语境可正确作答．10．﹣Do you know that China is one of countries in the world？﹣Yes，I do．It's much than the US．A．oldest；olderB．the oldest；olderC．the oldest；elderD．the older；elder【分析】﹣你知道中国是世界上最古老的国家之一吗？﹣是的，我知道它比美国古老得多．【解答】答案：B 第一个空考查one of+the+形容词最高级+可数名词的复数，表示最…其中之一；第二个空根据than可知是比较级形式，much在句中修饰比较级，elder指长辈，故选B．【点评】本题考查形容词的比较级和最高级形式，要注意部分双音节词和多音节词的变化，在平时的学习中注意积累与运用，达到熟练掌握的目的．11．I like to ________ the shoes ________ special heels．A．wear；hasB．wear；withC．put on；hasD．put on；with【分析】我喜欢穿有特殊鞋跟的鞋子．【解答】答案：B．put on 穿，戴，特别指穿衣服、穿鞋、戴帽、表示穿的动作，戴眼镜也用这个成语．wear 穿、戴表示穿着的状态，have 是动词有的意思，而with是介词带有、拥有的意思．wear…with…意思为"穿拥有…"根据I like to wear the shoes with special heels．我喜欢穿有特殊鞋跟的鞋子之意，故选B【点评】本题考查了动词及动词短语的用法，表动态的穿戴用put on，表状态的穿戴用wear．在熟知供词的基础上与句义相结合，从而选出正确的答案．12．When was________umbrella________？A．/；inventedB．the；looked forC．an；discoveredD．the；invented【分析】雨伞是什么时候发明的？【解答】答案：D．考查定冠词．第一个空，特指雨伞，用定冠词the．A，C不正确．第二个空，表示被发明，用被动语态．look for寻找．不符合．B不正确．选D．【点评】考查冠词，冠词包括定冠词the，通常表示特指．不定冠词a和an，a修饰以辅音音素开头的单词，an修饰以元音音素开头的单词．注意动词区别．根据语境完成试题．13．Can you tell me ________ the train was invented？A．whatB．whoC．whenD．which【分析】你能告诉我火车是什么时候发明的吗？【解答】答案：C．考查连词．A什么．B谁．C什么时候．D哪个．结合语境"你能告诉我火车是___发明的吗？"．可知，应该是"什么时候"，用when作状语．答案是C．【点评】连词可以表并列、承接、转折、因果、选择、假设、比较、让步等关系，要结合语境，选择合适连词用法．14．Scientists think that humans will live in space ．A．laterB．later onC．after 100 yearsD．one day【分析】科学家认为人们有一天将在太空里生活．【解答】根据句子分析来看，这个句子缺少状语．根据词意及其在太空生活的现实性来看，选择one day更为贴切．later意为后来，after 100 years意为100年后．故选：D．【点评】常识性的信息要作出正确的判断，有助于提高解题效率与准确性．15．The corn，potato and tomato are plants that were first ________ in America by Columbus．A．inventedB．grownC．discoveredD．found out【分析】玉米、土豆和西红柿是哥伦布在美洲首次发现的．【解答】答案：C．invent"发明"；grow"种植"；discover"发现"；find out"查明"．根据句子的意思，玉米、土豆和西红柿是哥伦布在美洲首次发现的．故选C．【点评】本题考查动词的词义解析，在熟知所供词含义的基础上与句子的语境相结合，从而选出正确的答案．16．﹣I'm very______ with my own cooking．It looks nice and smells delicious．﹣Mm，it does have a ________ smell．A．pleasant；pleasedB．pleased；pleasedC．pleasant；pleasantD．pleased；pleasant【分析】﹣我对我的烹调很满意，它看起来好看，闻起来也香．﹣噢，它确是很好闻．【解答】答案D．pleased 主要用来说明人，表示"感到高兴或满意"be pleased with 表示对…满意，而pleasant表示令人愉悦的，多指令人愉快的内在的、本质的东西，．根据I′m vey pleased with my own cooking．It looks nice and smells delicious．我对我的烹调很满意，它看起来好看，闻起来也香的意思，通过上下文．故选答案D【点评】本题考查的形容词的用法．形容词是用来描述或修饰名词或代词，说明人或事物的特征或性质的，形容词往往被译成"…的"，还要注意be pleased with 的固定用法．根据句意，从而选出正确答案．17．﹣_______ is said that we'll have a school trip next month．﹣Sounds great!A．OneB．ThisC．ItD．This【分析】﹣﹣据说下个月我们要举行一个学校旅行．﹣﹣太棒了！【解答】答案：C．one意思是"一个"；this意思是"这个"；it意思是"它"经常用作形式主语；this意思是"这个"；根据"is said that we'll have a school trip next month"因此可知这句话考查的是结构"it is said that"意思是"据说…"因此可知这句话的意思是"﹣﹣据说下个月我们要举行一个学校旅行．﹣﹣太棒了！"综上所述，故选：C．【点评】首先要掌握这个句子的意思，然后结合具体的题目，就可以确定正确答案．18．﹣﹣﹣Thanks for the delicious food．﹣﹣﹣________．A．No，thanksB．That's rightC．All rightD．My pleasure【分析】﹣谢谢你的美味的食物．﹣我的荣幸．【解答】答案：D. No，thanks．不，谢谢．That's right．你说的对，就是那样．All right．行，好吧．My pleasure．我的荣幸．根据语境，别人谢谢你的招待，回应应为：倍感荣幸，故选D．【点评】此题考查情境对话，先辨析所给选项的意思，再根据情境确定答案．19．I I fly in the sky just like a bird．A．hope；couldB．imagine；canC．wish；couldD．suppose；could【分析】我希望我能像鸟一样在天空飞翔．【解答】hope希望，wish希望，imagine想象．wish表示无法实现的愿望，此题根据语境：我希望我能像鸟一样在天空飞翔．难以实现的愿望，用wish，虚拟语气推后一个时态，用一般过去时态could．故选：C．【点评】此题考查同义词，近义词辨析，在熟知所给词意思和用法的基础上，结合具体题目，仔细分析，便可得出正确答案．20．﹣________？﹣They were invented by Julie Thompson．A．When were they inventedB．Who were they invented byC．Where were they inventedD．What were they used for【分析】﹣﹣它们是由谁发明的？﹣﹣它们是Julie Thompson发明的．【解答】答案：B．考查特殊疑问句．A它们什么时候被发明的．B它们是由谁发明的？C它们在哪被发明的．D它们是用来干什么的？结合语境"它们是Julie Thompson发明的．"．可知，对人提问用疑问词who谁．选B．【点评】考查特殊疑问句，特殊疑问句由疑问词+一般疑问句构成，注意一般疑问句的变法，时态和人称的变化等．二、填空题。
仁爱版九年级上册英语《Unit 4 Amazing Science》 第四单元教学设计
仁爱版九年级上册英语《Unit 4 Amazing Science》第四单元教学设计一. 教材分析《Unit 4 Amazing Science》是仁爱版九年级上册英语的一个单元，主题是关于科学的奇迹。
本单元通过介绍一些科学现象和发明，激发学生对科学的兴趣和好奇心。
教材包括一些阅读材料、词汇、语法和听力练习，帮助学生提高英语语言能力。
二. 学情分析九年级的学生已经掌握了一些基本的英语语法和词汇，他们对科学也有一定的了解。
但是，他们的阅读和听力能力还有待提高，同时他们对一些科学术语和概念可能还不够熟悉。
因此，在教学过程中，需要注重培养他们的阅读和听力技能，同时帮助他们理解和掌握相关的科学术语和概念。
三. 教学目标1.能理解并朗读课文，掌握课文中的关键词汇和短语。
2.能听懂并参与关于科学的讨论，表达自己的观点。
3.能通过阅读和听力练习，了解科学的奇迹，培养对科学的兴趣和好奇心。
4.能运用所学的科学术语和概念，进行简单的科学介绍和解释。
四. 教学重难点1.重点：课文的理解和朗读，关键词汇和短语的掌握，听力练习的参与。
2.难点：科学术语和概念的理解和运用，阅读和听力技能的提升。
五. 教学方法1.任务型教学法：通过完成一些任务，如阅读、听力练习和小组讨论，激发学生的学习兴趣和积极性。
2.情境教学法：通过创设一些科学实验和现象的情境，帮助学生更好地理解和掌握相关的科学术语和概念。
3.交际型教学法：通过一些小组讨论和角色扮演的活动，提高学生的口语表达能力和交际能力。
六. 教学准备1.教材和教学用具：教材、多媒体设备、黑板、粉笔。
2.教学资源：相关的科学实验和现象的视频、图片等。
七. 教学过程1.导入（5分钟）通过展示一些科学实验和现象的视频或图片，激发学生的兴趣和好奇心，引导学生进入学习状态。
2.呈现（10分钟）教师通过朗读课文，呈现本节课的主要内容和关键词汇。
在呈现过程中，引导学生跟读和模仿，提高他们的发音和听力技能。
仁爱版九年级英语上册Unit 4 Amazing Science Topic 1 When was
1 / 13Unit 4 Amazing Science 教案Topic 1 When was it invented?Section BⅠ. Material analysis本课是九年级第四单元第一话题的第二课时。
主活动是1a 。
1a 通过Jane 和Michael 谈论在博物馆所见到的展品来继续学习一般过去时的被动语态。
1b 和 1c 分别以听和填写图表来巩固1a 的内容。
1d 则通过“说一说，猜一猜”的形式让学生运用一般过去时的被动语态。
2是让学生能够根据需要正确运用一般现在时和一般过去时的被动语态。
3以听力的方式，来训练对一般过去时的被动语态的运用，同时也可让学生了解更多的发明。
4a 和4b 属于对语音语调的学习。
通过本课的学习，学生可以比较性地学习两种被动语态并且了解到更多的发明创造。
Ⅱ. Teaching aims 1. Knowledge aims ：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. Skill aims: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。
能够运用正确的语音语调说、读英语句子。
能够听懂含有一般过去时的被动语态的短文和对话。
3. Emotional aims: (optional)发明创造不是一蹴而就，需要有百折不挠、永不言败的精神。
4. Culture awareness: (optional)了解英语国家的科技发明。
Ⅲ. The key points and difficult points1. Key points:Words and phrases: bulb, airplane, be different from, be made of, be used for, so that, not only...but also…, all over the world Sentences: It’s said that he invented more than two thousand things during his life.They are designed not only for workers but also for teenagers and women.Grammar: was/were +pp2.Difficult points：It’s said that he invented more than two thousand things during his life.Nowadays, their materials have been changed so that it feels more comfortable.Ⅳ. Learning strategies能够通过1b、1c的问题，确定在听的过程中应注意哪些细节。
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
2019-2020年九年级英语上册《Unit 4 Amazing Science》Topic2SectionA 教案仁爱版The main activities are 1a and 2a. 本课重点活动是1a和2a。
Ⅰ. Teaching aims and demands 教学目标1. Learn some new words:metal, toothbrush, ink, recorder2. Learn some useful sentences:—What’s it made of/from?—It’s made of/from…3. Learn the simple past passive voice:(1)—When was it developed?—Around xx.(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 e true.5. Talk about new technology and inventions.Ⅱ. 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Ⅲ. 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, we’ve learned about the importance of puters. Can you tell me something about them?S1: puters are used by doctors to find diseases easily.S2: Robots are controlled by puters to do dangerous work.S3: In business, puters are used to place and cancel orders.S4: Spaceships are mainly controlled by puters.T: 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。
)rocket。
)T: Look! This is a model rocket. What’s it made of? What’s it used for? Let’s e 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) What’s it made of?S1: It’s made of “金属”.T: Yes, it’s made of metal.()T: Do you know what a rocket is used for?Ss: It’s used for sending spaceships into space.T: Yes, it’s used for sending spaceships or satellites into space.((摸出牙刷。
)T: How do you say this in English, S2?S2: Sorry, I don’t know.T: OK, it is a toothbrush.(，领读并要求学生掌握。
)) It’s used for brushing teeth. What’s it made of, S2?S2: It’s made of plastic.T: Very good! You’re right.(摸出墨水。
) What’s this in English, S3?S3: Sorry, I don’t know.T: It’s a bottle of ink.(板书，领读并要求学生掌握。
)T: Do you know what it is used for?S3: It’s 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: It’s a piece of paper.T: Can you tell me its material? (让其摸一摸，看一看。
)S4: Sorry, I can’t.T: Let me tell you. It is made from wood. (说的时候语速要慢，重音放在from。
) (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: Don’t open your books. Listen to the tape carefully and try to find out the answers to the questions.((核对答案。
))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, let’s find out the key words together, OK?(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, what’s this in English?Ss: We don’t know.T: It’s a recorder.(板书生词并让学生掌握。
)T: What’s it used for?Ss: It’s 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: It’s an MP3 player.T: Yes, it was developed in Korea. It’s 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)T: (手举MP3。
) When was it developed? And what’s it used for? Let’s listen to2a.2. (放录音，听后核对答案。
)T: S1, answer the questions, please!S1: The MP3 player was developed around xx. It’s used for helping us to improve our English. It’s 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.(完成2a。
) T: Who would like to retell 2a? S2, please!S2: Kangkang is listening to MP3. It’s very nice. It’s used for helping us to improve our English. It was developed in Korea around xx. It’s 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。
)T: When was it developed?Ss: It was developed in 1975.T: Where was it developed?Ss: It was developed in America.T: What’s it used for?Ss: It’s used for taking photos.T: Do you understand? Practice the dialogs with your partner. Let’s 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。