Unit 4 Amazing Science-Topic 1 When was it invented -Section C-ppt课件-(含教案+素材)-部级公开课-仁爱科普版九年级上册(编号：c05b9).zip

1 Unit 4 Amazing Science Topic 1 When was it invented? Section C Class:_Group:_Name:_ 一一:教学目标教学目标: 1. Students learn the new words and get the right meaning and pronunciation: invention, list, crayon, thought, silly, brainstorm, evaluate, detailed, redesign, imagination, robot. 2. Students can find the missing sentences and words with the help of key words and linking words. 3. Students practice the reading skills of skimming and scanning. 4. Students design an invention in groups and introduce their invention in English. 5. Students brainstorm how to work hard to make their dreams come true. 二、二、课前预习作业：课前预习作业： 1、跟读课文录音，自学生词、跟读课文录音，自学生词 P83-84，做到会认读单词。，做到会认读单词。 （自测要求（自测要求:看到音标能看到音标能 读生词，看到生词能写出其中文意思和词性，并用红笔改正。读生词，看到生词能写出其中文意思和词性，并用红笔改正。 ） 序号序号生词生词中文意思中文意思音标音标词性词性 1invention 2list 3crayon 4thought 5silly 6brainstorm 7evaluate 8detailed 9redesign 10imagination 11robot 2、复习课文，整理归纳所学知识，完成以下表格。、复习课文，整理归纳所学知识，完成以下表格。 InventionWho was it invented? When was it invented? What is it made of/from? A light bulb Thomas EdisonIn 1879glass, wire 3、查阅自己感兴趣的一项发明，并用英语简单介绍其英语名称，发明者，发明、查阅自己感兴趣的一项发明，并用英语简单介绍其英语名称，发明者，发明 时间，所用材料或用途等。时间，所用材料或用途等。 e.g. This is a light bulb. It was invented by Thomas Edison. It was invented in 1879. It is used for lighting. It is made of/from _ 2 _ 二、课堂活动二、课堂活动 Task1: Leading-in the topic Watch a short video about the new modern inventions in China Task 2: Fast-reading Read quickly for the main topic about the passages A .Inventor B Invention Task 3: Carefully reading for the key information An invention may be a new product or a new way of doing things. Inventions come about in many ways. Most of the time, inventions happen because someone works to solve a problem. Sometimes inventions are the result of accidents. Look at your schoolbags. You have pencils, pens, crayons, rulers and some books. None of these things was planted in fields. They were made in factories and invented by someone. Inventing is interesting and exciting and everyone can be an inventor. Do you want to be an inventor? There are a few simple steps to follow in the invention process. _ You can have wild and crazy thoughts. Remember that no idea is too silly. Many people laughed at the Wright brothers and said they would never fly. But they werent discouraged by what people said. Thats why now we have planes. _ Careful planning is important in the invention process. This is the time to brainstorm for ideas and to evaluate them. _ Make a detailed drawing of your invention so others will understand how your invention works. Make a model of your invention. _ See if your invention works as it is planned . If not, do more research, redesign it, and test it again. _ Every invention needs a name. Share your inventions with others. Share your inventions with others. Information Card What is an invention?1 _ Why do inventions happen?2because someone wants to_; 3 Sometimes they are result of_. Where are inventions made?3_ How is inventing?4_ Who can be an inventor?5_ Task 4 Carefully for the missing sentences 1. Matching 配对阅读（配对阅读（Read put the sentences in the correct places.） _ You can have wild and crazy thoughts. Remember that no idea is too silly. Many people laughed at the Wright brothers and said they would never fly. But they werent discouraged by what people said. Thats why now we have planes. _ Careful planning is important in the invention process. This is the time to brainstorm for ideas and to evaluate them. _ Make a detailed drawing of your invention so others will understand how your invention works. Make a model of your invention. _ See if your invention works as it is planned . If not, do more research, redesign it, and test it again. _ Every invention needs a name. Share your inventions with others. Share your inventions with others. A Draw your invention B Name your invention C Test your invention D Use your imagination E Plan and design your invention 2. Read again and fill in the missing words. When you want to have an invention, first you must use your _. Then you should plan and design it. Careful planning is very _ in the invention. Third, you should make a _ drawing of your invention and make a model of it. If you want to make your invention more successful, you 4 must _ it again and again. After that, you _ your invention. Last, remember that you should _ your invention with others. Step5 Retelling and thinking 1Retelling the passages with more linking words. 2Thinking: which is the most important step? Step 6Groupwork project 1. Work in groups and design your group invention with imagination and teamwork and fill in the blanks with models. Invention Name: _ Kind 种类种类: _ Materials 材料材料:_ Look 外表外表: _ Usage 用处用处: _ Advantages 好处好处: _ _ 2. Group Presentation with the help of the sentence patterns below (每小组至少每小组至少 3 人人) 1）Our invention is/Our invention is called/named 2）It is a new kind of robots/cars/smart phones. 3）It is made of/It is made from 4）It is big/small.It looks like a/an 5）It is used for doing sth./It is used to do sth. It can save energy/reduce pollution. 6）It is good for our./It can make us adj. /It can help us do sth. 3. Choose the best group with forclass. Lets vote! () the three best 1.Louder 声音大声音大 2.Clearly 语言清晰语言清晰 3. Correct 语言正确语言正确 4. Creative 有创意有创意 5.Attactive 吸引人吸引人 Step7 Brainstorm and summary How can we make our dreams come true? First, _ _ _ Step8 Homework (Writing) 随着随着 AI(人工智能人工智能)和和 5G 的不断发展，中国发明将会越来越多。请发挥你的的不断发展，中国发明将会越来越多。请发挥你的 5 想象力，设计一种新的发明，如新型的机器人，新型的手机，或新型的小车。想象力，设计一种新的发明，如新型的机器人，新型的手机，或新型的小车。 并说明这种发明的优点。你打算怎么做去实现你的梦想？请写一篇并说明这种发明的优点。你打算怎么做去实现你的梦想？请写一篇 80 词左右的词左右的 短文，内容包括：短文，内容包括： 1.简单介绍你的新发明，如类型，名字，外形，材料等。简单介绍你的新发明，如类型，名字，外形，材料等。 2 说出它的两个优点。说出它的两个优点。 3.谈谈你将如何实现这一梦想。谈谈你将如何实现这一梦想。 With the development of AI and 5G, there will be more and more inventions in China. I want to invent a new _. It is called_ _ It is very useful. On one hand,_ On the other hand,_ I will try my best to make my dream come true. First,_ _ _ Im sure that my dream will come true one day. 1 Teaching aims: Knowledge aims: Students will learn the following words and get the right meaning: invention, list, crayon, thought, silly, brainstorm, evaluate, detailed, redesign, imagination, robot. Ability aims: Ss can Students can find the missing sentences and words with the help of key words and linking words. Ss can improve their reading by skimming and scanning. Emotional aims: Encourage students to design new invention with imagination and express their ideas in English. Encourage students to work hard for their dreams and work in groups. Learning strategy: 1 Ss learn the new words by themselves and revise the basic knowledge before class. 2 Help students to summarize their knowledge with mind-map. Cultural communication: 1.Get to know Four great new inventions in China from the foreign students points of view.2.Be proud of Our motherland and try to make it stronger Teaching important points: Find the missing sentences and missing words by scanning Teaching difficult points: 1 The meaning of new words in the passage: name, thoughts, design-redesign, imagination, detailed drawing. 2 Design a new invention with imagination and introduce it in English. 3 Use the linking words to retell the steps of inventing. Analysis of the students 1 Students like to work in groups and have group matches. 2 Students are creative and are willing to express their ideas in English. 3.Students have difficulties in writing. Teaching aids: Forclass, PPT, handouts, big pieces of paper, Ipad, mind-map, short videos Analysis of the teaching material: This is the third period of Unit 4 about inventions with reading material and exercises. Students have learnt some inventions and inventors with listening and speaking material in the previous lessons and the target language: be made of, be made in. Assessment of the students: 1. Self-assessment about their pre-viewing exercise , exercises, writing; 2. peer assessment about design on Forclass PPT. Teaching procedures: Teachers activitiesStudents activitiesPurposes Before class 1.Pre-view exercises design 2.Find a short video to help 1.Do previewing exercise and learn new words by themselves. 1. Help students have a better revision and preview. 2 students know more about the Four Great New Inventions in China. 2.Make a list of information about inventions 3 Introduce an invention with model. 2. Help students have a good learning habit. In class Step1Leading in 4 1.Lead in the topic with pictures of four great inventions in China 2. Play a short video about the Four Great New Inventions in China. Students watch a short video and get to know the Four Great New Inventions in China 1It arouses students interest 2It can help lead in the topic Step 2 Fast reading 2 Show the possible topics of the text Students read the text quickly and get the topic of the text Help students get the main idea and the topic of the text by skimming Step 3 Careful reading of Part One 5 1.Read the questions for the students 2Ask students to underline the answers on the paper first before filling the table Students find out the key information with the help of the information card 1.It can help Ss to improve reading skillsunderline the answers before blanks filling 2. Help students practice the reading skill-scanning 3. Help students get a better understanding of part one Step 4 Careful reading of Part Two 5 1Check students answers and the understanding of the key words. 2.Lead in the group work 1. Students match the missing sentences according to the key words on Ipad. 2. Students find the missing words with the help of linking words. 1. It can help Ss to improve reading skillsreading with key words. 2. Help students practice the reading skill-scanning 3. Help students get a better understanding of part Two Step 5 Retelling and thinking 4 Check students answers and the usage of the linking words. Students retell the steps with the right linking words. Help students understand the most important step and lead in the groupwork Step 6 Group Design15 1. Show teachers design as a model 2. Show the way to vote for the best design 1Students work in group and design their invention and write down the key information on a big piece of paper 2 Group present their invention in English 1.Help students learn how to design with imagination and help each other in groups 2 Help students know how to present better by voting. 3 Choose the best design in class 3 3 Students vote the design they like Step 7 Brainstorming and summary 4 1 Help students brainstorm and write down students ideas on the blackboard. 2 Make a summary with mind-maps Students brainstorm how to make dreams come true Help students learn more from the text and the lesson Step 8 Homework 1 1Show homework to the students and explain it with comments 1.Students read the model and get to know how to finish it after class. It helps Ss to consolidate what they have learned about problem and advice. Ss can choice the writing exercise they like. Bb design Unit 4Topic 1 Section C Self-Assessment: 4 Peer-Assessment: 课堂反思：课堂反思： 1、预习作业部分有效帮助提高复习和预习的效率，解决由于预习作业部分有效帮助提高复习和预习的效率，解决由于 学生版本不同，生词不同的问题。学生版本不同，生词不同的问题。 2. 视频引入大大吸引了学生学习的兴趣。视频引入大大吸引了学生学习的兴趣。 5 3.将课文阅读练习题大胆地改编成初三学生熟悉的信息归纳将课文阅读练习题大胆地改编成初三学生熟悉的信息归纳 和配对阅读等题型，通过方法指导，能大大提高学生应对此类题和配对阅读等题型，通过方法指导，能大大提高学生应对此类题 目的能力，更深刻地理解文本。目的能力，更深刻地理解文本。 4.小组合作设计降低了设计的难度，使学生体验合作带来的好处。小组合作设计降低了设计的难度，使学生体验合作带来的好处。 从小组作品展示来看，学生的设计富有创意。除了使用老师提供的从小组作品展示来看，学生的设计富有创意。除了使用老师提供的 表达，也能根据自己所需自己进行表达，课堂有较好的生成。表达，也能根据自己所需自己进行表达，课堂有较好的生成。 5.设计后的头脑风暴激发学生的思维，使学生明确努力的方向。设计后的头脑风暴激发学生的思维，使学生明确努力的方向。 6.课堂使用线上评价和线下评价相结合的手段进行，使得评价更课堂使用线上评价和线下评价相结合的手段进行，使得评价更 客观，受到学生的欢迎。客观，受到学生的欢迎。 7.课堂的阅读练习和口头输出，为写作输出做好铺垫，大大降低课堂的阅读练习和口头输出，为写作输出做好铺垫，大大降低 学生写作的难度。学生写作的难度。 改进措施：改进措施： 1 课堂归纳部分课堂归纳部分 mind-map，加在学生的教学案中，引导学生学，加在学生的教学案中，引导学生学 会使用会使用 mind-map 进行归纳梳理。进行归纳梳理。 Whos still standing? 九（九（2）班）班 Unit 4 Amazing Science Topic 1 When was it invented? Section C Reading Invention The Four Great Inventions in China paper-making printing compass gunpowder Task 1: Leading-in What are these? Four great new inventions in China 3shared bikes 2.Alipay 1high-speed train 4Online shopping 12 34 Task 2: Fast-reading What is the main idea? A Inventor B Invention +1 Task3: Information Card of Part one A new product or a new way of doing things solve a problem accidents In factories Interesting and exciting Everyone Tip: underline the answers first 先在文中划出答案先在文中划出答案 +3 1 2 3 4 5 2 Tips: underline the answers Task4: Matching 配对填空配对填空 D E A C B 疯狂的想法疯狂的想法 想象力想象力 详细的描绘详细的描绘 计划与设计计划与设计 研究，重新设计，测试研究，重新设计，测试 Tip: key words关键词关键词 +2 1c Read 1a again and fill in the blanks.短文填空 When you want to have an invention , first you must use your_. Then you should plan and design it. Careful planning is very _ in the invention. Third, you should make a _ drawing of your invention and make a model of it. If you want to make your invention more successful, you must _ it again and again. After that, you _your invention. Last, remember that you should _ your invention with others. imagination important detailed test name share Tip:Tip: linkinglinking wordswords 连接词 +1 each steps 1. _ 2. _ 3. _ 4. _ 5. _ 6._ 7. _ use your imagination plan and design your invention draw your invention test your invention name your invention Task5: Retelling and thinking First, you must make a model share your inventions Second, you should Third, you should Then, you can Next, you should After that, you should Finally, you should Which step is the most important? +3 Imagination is more important than knowledge. 想像力比知识更重要。想像力比知识更重要。 With the development of AI and 5G, there will be more and more inventions in China. Lets work together! Our invention Kind: _ Name: _ Materials:_ Look: _ Usage: _ Advantages:_ Step 6 Group Design Superman a robot/machine Metal, computer small, looks like a tiger help us do housework Save energy and time Our invention is a It is called It is made of It is small but It cansuch as It can Lets vote the best! +5 Step 7 Brainstorming work hard Never give up Work together Help each other Read and learn more +1 each Invention words Design practice reading skills Introduce invention Summary What have you learned ? Invention What Why Who Exciting Interesting 1.imagination 2.plan, design 3.draw 4.make a model 5.test 6.name 7.share Mind-map in factories (pencils, pens, crayons, ruler and some books) solve a problems a result of accidents everyone A new product or a new way of doing things 随着随着AI(人工智能人工智能)和和5G的不断发展，中国发明将会越的不断发展，中国发明将会越 来越多。请发挥你的想象力，设计一种新的发明，如新来越多。请发挥你的想象力，设计一种新的发明，如新 型的机器人，新型的手机，或新型的小车。并说明这种型的机器人，新型的手机，或新型的小车。并说明这种 发明的优点。你打算怎么做去实现你的梦想？请写一篇发明的优点。你打算怎么做去实现你的梦想？请写一篇 80词左右的短文，内容包括：词左右的短文，内容包括： 1.简单介绍你的新发明，如类型，外形，功能等。简单介绍你的新发明，如类型，外形，功能等。 2 说出它的两个优点。说出它的两个优点。 3.谈谈你将谈谈你将如何实现这一梦想。如何实现这一梦想。 Step 8 Homework-writing Self-check自评表自评表内容 1 . 发 明 简 介 introduction 2.两个优点 two advantages 3.如何实现 How to achieve dreams 4. 书写工整漂亮 Writing 5.表达正确 Good expressions +5