九年级英语unit8课件3
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九年级英语unit83a课件九年级英语unit83a课件1学习者分析Students in Grade Nine have mastered some vocabulary and grammar knowledge, some students can use simple English to express their own thoughts,but it is difficult for a small part of students to communicate in English. So I put the students of different levels in a group, let them help each other, try to make every student get different levels of harvest.教学目标一、情感态度与价值观Emotion & Attitude Goals:1.Form good study habits.2.Know history of inventions and be proud of our country. Encourage students to be a little inventor3. Help students to study actively.二、过程与方法1. Through the inventions that we can see everywhere to introduce the topic, stimulate students interest.2. Design various activities, organize students to discuss, so that every student can get different levels of harvest .3. Work in pairs and groups.三、知识与技能Knowledge Goals:1. Key words : invent invention inventor calculator2.Target language : --When was it invented ?-- It was invented in3. Grammar : The passive voice : was /were + doneam /is /are + doneAbility Goals:1.Read the key words correctly and understand their meanings.2.Improve listening skills.3.Make up conversations with the target language and try to improve speaking skills.4.Learn to communicate with others in English.教学重点、难点1. key words and target language.2. The passive voice.3. Help the students to improve cooperation ability.教学资源A recorder、Multimedia教学过程教学活动1[U1] 、Lead-inT: I get to school by e-bike every day. How do you get to school ?S1: I get to school by bike.S2: I get to school by bus.T: Bus, car, taxi, bike, they are all useful inventions. What do you think of inventions?(Ss answer then teacher have a summary:)T: Now we live in a world of inventions. These inventions make our life easier and more comfortable. In this unit, we will learn some inventions and their history.教学活动2二[U2] 、PresentationShow the picture to teach new words:invent /light bulb/inventor inventionThis is Edison. He invented the light bulb. He was a great inventor.He invented about 2000 inventions all his life.Make sure the students read the new words correctly and understand their meanings.Show pictures in 1aT: Do you know these inventions? Can you say them in English? What’s this in English?Ss: It’s a telephone/computer/television/ calculator/ car.Teach the new word: calculator教学活动3三[U3] 、Groupwork 1aT:There are five inventions in this part . Which one was invented the earliest and which one was invented the last ? Guess the dates and discuss in what order they were invented.Help them to discuss by using the following sentences:I think the television was invented after/before the telephone.I agree/ disagree.Let each group choose one student to write their result on the blackboard.教学活动4四[U4] 、listening Practice 1bT: Which group has the correct result ? We’ll listen to a girl and a woman talking about the five inventions.First, review the expression of the year.Then, play the recording the first time, Ss only listen and try to catch the main idea..Next, play the recording a second time. Say, listen to the recording and match the inventions with the dates.Finally, check the answers:d 1876 a 1885e 1927 c 1971 b 1976Clap for the groups that have correct results.教学活动5五[U5] 、PairworkPractice conversations in pairs using the information in 1b like this:A: When was ithe car invented ?B: It was invented inThen ask some pairs to display their conversations in front of the class.教学活动6六[U6] SummaryT: In this class we’ve learned to talk about the history of inventions with passive voice. Now let’s have a discussion about the passive voice in groups.Make sure students can master the structures of the passive voice and then each group writes five sentenses about the passive voice.教学活动7七[U7] 、PracticeShow the excercises:1、Edison was an _______(invent), he_______ (invent) many useful and important _______(invent) all his life.2、He is calculating a math problem with a _______ (calculate).3、Stamps _____ for sending letters.A. usedB. are usingC. are used4、Chinese ____ by more and more people in the world now.A. is spokenB. is speakingC. spoke5 The factory ____ in 1985.A. is builtB. was builtC. built[U1]以学生熟悉的上学方式这一话题引入主题,激发兴趣。