英语人教版九年级全册Unit 9 Section A Period 1.docx

Unit 9 When was it invented?The First PeriodTeaching Aims and Demands1Knowledge Objects（1）Key Vocabulary invent（2）Target LanguageWhen was the telephone invented?I think it was invented in 18762Ability Objects（1）Teach the students to use the new words（2）Train the students to talk about the history of inventions（3）Train the students listening and speaking skills with the target language3Moral ObjectsMany important inventions have changed the world a lotDo you know the inventors of them? And when were they invented?Teaching Key Points1Key Vocabulary: invent2Target LanguageTalk about the history of inventionsTeaching Difficult Points1Train the students to talk about the history of inventions2Train the students to understand the target language in spoken conversationTeaching Methods1Listening2Groupwork3PairworkTeaching Aids1A tape recorder2Some pictures or real objects of the inventionsTeaching ProceduresStep I Revision1Revise the language points in Unit 9Ask some students to say something about Tina and the stories happened on April Fools DayEncourage them to use the Past Perfect Tense2Check the homework by asking some students to share the sentences they made with the verbs with the classStep 1aThis activity reviews vocabulary and introduces new vocabulary which can be used to talk about inventionsRead the inventions to the studentsCall the students attention to the five pictures, Tell the students that all of these things were invented in the last 150 yearsPoint to each picture and let the students tell what it isWrite the names of the five inventions on the blackboardcomputer, car, calculator, telephone, TV setHave several different students guess and write the dates on the boardAsk the class to repeat the questions and answers like thisT: When was the computer invented?Class repeatSS: When was the computer invented?T: GoodNow Tom, what is your guess?S1: 1965T: OKTom, repeat after meThe computer was invented in 1965T: Class, please repeatSS: The computer was invented in 1965Repeat the process with several different inventionsTell the children that they will find out the real dates after they complete the lessonAfter that, ask the students the questions below:Questions:1Which one do you think is the oldest?2Which one is the newest?3Which one do you think is the oldest or the first invention?4Which one is the newest or last invention?Ask different students to answer the questionsHave the students look at the example conversation in the boxAsk two students to read this conversation to the classA: I think the telephone was invented before the carB: Well, I think the telephone was invented after the carRead the instructions again to the studentsRemind them to remember the inventions from first to lastThen have the students talk about the five inventions in groups of four, using the sample conversation as a modelAsk several groups to tell the class their answersThe rest of the class listen to them and show they have different answers by raising their handsIn the next activity you will find out the real datesStep 1bThis activity gives students practice in understanding the target language in spoken conversationGet the whole class to read the instruction togetherCall the students attention to the five inventions in the pictureAsk five students to say the names of themThen ask them to see the five dates with a blank line in front of eachWell listen to a girl and a woman talking about the five inventionsThey will talk about when they were inventedListen carefully and match the inventions and the datesWrite the correct letter in front of each date as the sample givenAsk them to have a look at the sample answerTell them the answer in front of 1876 is dThat means that the telephone, which is letter d, was invented in 1876Play the recording the first timeThe students only listen and try to catch the main ideaPlay the recording a second timeLet the students match the inventions and the datesCheck the answers by asking several to say the answers to the classIf some of the answers are hard to get for the children, tell them not to worry and they will make it nextThen play the recording againPause after each sentence and let the students repeatFor some difficult sentences, get the students to repeat several timesBe sure that they make everything clearAnswersd 1876 a 1885 e 1927 c 1971 b 1976TapescriptGirl: Life must have been difficult when you were a kidWoman: Oh; not reallyWhy do you say that?Girl: Well, you didnt have many modern inventionsLike, you probably didnt have a telephone, right?Woman: Of course we did! How old do you think I am? The telephone was invented in 1876Girl: How about cars? I bet cars werent invented yetWoman: Sure they wereCars were invented in 1885My family had a carI think you need to take a history class, AliceGirl: Ha, ha! Well, did you have a TV?Woman: No, we didntThe TV was invented around 1927, I thinkSome friends of mine had oneBut in those days, TVs were really expensive, and we couldnt afford oneGirl: And I bet you didnt have calculators and computers and stuffThats something I do knowWe learned in school that hand-held calculators were invented in 1971 and personal computers were invented in 1976Woman: Youre rightI didnt have those things when I was youngBut I do now!Step 1cThis activity provides guided oral practice using the target languageRead the instructions and point to the list of dates in Activity 1bYou will be talking about the dates things were invented with a partnerCall the students attention to the example in the boxAsk a pair of the students to read this conversation to the classSA: When was the telephone invented?SB: I think it was invented in 1876Write the conversation on the blackboardThen get the students to p