Unit 4 Inventions-Writing -ppt课件-(含教案+音频+素材)-市级公开课-牛津深圳版八上(编号：101c4).zip

I. Read the article below and answer the questions.My inventionMy invention is a flying car. It is fast, convenient and green!The flying car has four wheels and two wings. It has a top speed of 300km/h.You can go to farther places in a short time.It can run on land and fly in the air. If you shout “fly”, the car will turn into a plane in 30 seconds. Then you can fly in the air. You will be as free as a bird.Instead of petrol, the car uses solar power, so it will not pollute the air.My invention will help people live a better life in the future.1.What does the flying car look like?2.What is special about it?3.How does it work?4.How many wheels does the flying car have?5.What kind of power does it use?6.在文中找出两个描述 the flying car 的形容词 _ _II. 综合阅读This week, we are going to learn about great inventions in the world. Many inventions were created (A) _accident. The inventors were trying to make something completely different. Here is one story.In 1945, at the end of the Second World War, Percy LeBaron Spencer, an American inventor, was working on a machine to produce powerful radio waves. When he was standing (B) next to the new machine, the bar of chocolate in his pocket became soft. The machine could cook things! Percy called it microwave, and soon many homes began to use(C) it.The first microwave, however, weighed(D) around 350 kilograms and was (E)和一样大 a fridge! In time, microwaves(F) _smaller and smaller. Now millions of homes have microwaves and many people cant imagine living without one. Like many other inventions that were created by accident, the microwave has changed the way we live.1.分别在（A）和（F）的空白处各填入一个适当的单词: _;_2.写出划线部分（B）和（D）的同义词：_；_3.写出划线部分（C）指代的内容：_4.将划线部分（E）译成英语：_5.在文中找出能够说明本文主题的单词：_III. Finish a writing (about 70 words)某英文报刊开辟中学生栏目，请你以 My favourite invention is_ 为题写一篇小短文，向报社投稿。步骤与要点如下：1.确定主题，补全标题，并在文中说明原因；2.围绕主题，进行叙述；3.讲述一段与主题有关的故事或经历。My favourite invention is_ Play a game 每组出两名同学到前面，由老师开头，说数字。遇到带7和7的倍数的拍手代替。犯规的同学，说出一个本单元学的短语或句型。Some useful expressionsin the daytime 在白天在白天live a better life 过上更好的生活过上更好的生活be able to do 能够做能够做at the start of 在在-之初之初each other 相互相互keep in touch with 与与-保持联系保持联系since then 自那以后自那以后a few thousand years ago几千年前几千年前in the early 19th century 早在早在19世纪早期世纪早期millions of people 数以百万计的人们数以百万计的人们across the world 全世界全世界have to 必须必须A2 In pairs, make a conversation like the one in A1. Try to make your voice rise correctly. Talk about the things from the box.A Game 两名同学，一个描述一个猜发明。 One describe ,one guess!SpeakSpeak upup2 2Do you often use them? Which is the most useful invention to you and your family? Why do you think so?What do you or your family use it for?How often do you use it?Can you do without it? In pairs, talk about one of the everyday inventions below or a choice of your own. Use the following questions to help you. Follow the example.What is the most useful invention to you and your family?What do you use it for?How often do you use it?Can you do without it?Hats for passengers Now you can sleep while youre travelling! The suction cup（吸盘）on the back keeps the passengers head in place, while a message on the front asks other passengers, Could you please wake me up when I reach the stop printed below? Many thanks. Where are your biscuits? The biscuits are in base of the cup. In this way they can be kept warm.Funny Inventions Automatic（自动）（自动）ice cream coneFor the lazy, just stick out your tongue and enjoy. Put ice cream in the removable dish, push the button and the ice cream turns while you enjoy one of the worlds most popular treats. Fun for all ages.360 degrees camera Capture in 360 degrees real-time. All the angles. Nothing missed.Talk about some funny or special inventions that you have known, used or thought of. Today, you can create a new or special invention of your own.WritingWriting3 3A flying carA student has designed a flying car. What do you want to know about this new invention?How fast is the flying car?How many wheels does it have?How do we fly it?Read the body of the article about the flying car to see if you get the answers to your questions.A You are going to create a new invention. Use a spidergram to help you make plans for this invention. Follow the example.How fast is it?How many wheels does it have?How do we fly it?What kind of power does it use?IntroductionWhy I want to invent itAnswer the questions1.How many wheels does the flying car have?(It has four wheels.)2.How fast is it?(It can travel at a speed of 300km/h.)3.What is special about the car?(It can run on land and fly in the air.)4.What kind of power does it use?(It uses solar power.)IntroductionWhy I want to invent itHomeworkHomework 1. 结合个人构建的“蛛网图”，模仿练习B中的范文，完成一篇题为“My invention”的作文。2. 完成练习册第54至55页Listening和第60页Writing的练习。H H教学资源表图 片1、部分来自百度下载，并做后期修改，有些是自己旅游拍摄的照片，和本课的主题正好相符。2、部分来自教学光盘，并做后期处理歌 曲百度音乐下载，做了剪辑。英文朗读光盘课件教学内容1. 教材：义务教育教科书。英语：彩色版.八年级.上/牛津大学出版社（中国）有限公司英语教材编写委员会.上海教育出版社，2. 教参：教师用书：.八年级.上/上海教育出版社；上海世纪出版股份有限公司出版发行.1 版.3. 课标：义务教育课程标准：2011 版/中华人民共和国教育部制定.-北京：北京师范大学出版社，2012.1评测练习试题 1 选自教材语段改编上海教育出版社试题 2 选自随堂讲与练第 87 页 上海教育出版社Teaching planContent : Writing in Unit 4 on Page 60About material : Writing is the last lesson of this unit, the topic is My invention, it is familiar to students. But how to design their writings is difficult to students. The ending of the writing should bring out the theme. Make the students write a short article about own invention.About my students: Students in Grade 8 are very active and they want to express themselves very much. But they are afraid of writing. Some of them are poor at their pronunciation .They often make some grammatical mistakes while writing. Their handwritings must be improved. Girls are better than boys at English. As their teacher I must encourage them to make sure that they wont give up.I Teaching aims and demands: 1 Knowledge aims: * Students can get to know the words, create, special, wing , petrol, instead of etc. * Students can understand the topic of invention and technology. To write the article in their own words. 2 Ability aims: Students can write the article about own invention. 3 Emotion aims: Students can understand the meaning of the topic.II Teaching important and difficult points: How to use the spidergram to help students make plans for this invention.III Teaching tools : The multimedia equipment. objects, photos.IV Teaching methods: Co-operation, Task-based approachV Time : 40 minutesTeaching procedure :Step 1 Leading in 6 m Play a game, two students of each group say numbers , review knowledge.Teacher checks the answers with students togetherPurpose: Teacher uses a game to arouse students interests, After playing the game, lead in the topic my invention. Step 2 Work in pairs 6mStudents ask and answer each other the questions below in the group:Do you often use them? Which is the most useful invention to you and your family? Why do you think so?What do you or your family use it for?How often do you use it?Can you do without it? Purpose: The same topics appear again, Guide students to their own invention. Interviewing others can improve oral ability. Invention is a new word in this lesson. It appears again Students can remember it better. From others to students own invention, Students have been able to finish todays task easily .after this step.Step 3 Show ,correct and comment 15 mIntroduce some funny inventions to students. The teacher shows some compositions and comments on them, let students write down good parts. Correct some mistakes together. Remind students about what they should pay attention to while writing.Purpose: In this step, Teacher directs students how to write, let students find out and correct othersmistakes and realize they may make the same mistakes. They will improve their writing.Step 4 Make a summary 3 mLet students summary about what they should pay attention to while writing. Teacher shows the demands again in PPTPurpose: When students talk about the things they should pay attention to while writing, they will finish writing better in the future.Step 5 Brainstorm 3 mStudents discuss about inventions.Purpose: let students discuss about inventions .Teacher gives them right guide, and encourages them to invent some things in the future. Step 6 Start to write 6 m Students start to write .Teacher walks around and watches them. The teacher reminds students to pay attention to the tense, Teacher shows the title and demands: Title : My invention 10 points Demands: 1 About 60-70 words (1) 2 Good handwriting (2) 3 The title (1) 4 Right grammar (3) 5 Clear meanings of sentences (3) The teacher reminds students to pay attention to the tensePurpose: This step is important to students After the first two steps Students start to finish the writing task and think about how to finish it better.Step 7 Homework 1 mFinish a writing : My inventionPurpose :Homework :Go back to the writing task in this lesson, continue to practise writingBlackboard design:My inventionTeaching reflection Writing is difficult for every student Especially for rural students.It is an ability that students use English freely and rightly. Guiding and imitation are important for students in Grade 8.so I use the following steps in my teaching. (1) I use some moving pictures and a game to attract their attention .Lead in the new lesson. (2) I use objects and tape recording to help students understand others inventions,Go on leading in the new lesson. (3) I organize students to discuss about inventions. in pairs. Prepare for the next step .Writing (4) I spend about 15 minutes correcting and commenting on others compositions Let students understand what a good composition is and what they should pay attention to while writing . (5) In Step 7 I organize students discuss about funny inventionsr, Lead them to love inventions.Teaching effect : With the help of information technology, students can be interested in English ,especially playing a game and some my own pictures . Most of them can imitate writing and finish the writing task Students take an active part in teaching activities .But some students cannot know how to comment on others compositions .Their compositions have some grammatical mistakes. Students are poor at speaking. I should train them in the future.