贵州省凯里六中九年级英语《 Unit 9 When was it invented 》教案.doc

贵州省凯里六中九年级英语 unit 9 when was it invented 教案一、knowledge points and teaching demandsknowledge pointsteaching demands1、能运用所掌握的句型、语法、词汇进行交流。2.掌握一般过去时被动语态的运用learn to use the new words and phrases: invent,heat, sour, ancient, remain, produce, pleasant,pie, throw, taste;be invented, by accident according to, fall into ,in this way, knock into1、学会使用以下句型： 1.when was it invented?2、it was invented in 1885.3.who were they invented by?4. they were invented by5. what are they used for?they are used for seeing in the park.learn the drills: 1.when was it invented ? 2.it was invented in 1885. 3.who were they invented by? 4.they were invented by5. what are they used for? they are used for seeing in the park.二、teaching difficulties and solutionsteaching difficultiessolutions1、要求学生能掌握一般过去时的被动语态。2、学会谈论发明的历史3、归纳学习一些动词短语并掌握它们的用法。1.get the information from the dialogue.2.learn the phrases by making up some sentences.3. pair work and act out the dialogue in class.三、teaching procedurestep 1 warming upask the students to be familiar with the words below according to the pictures on computer:telephone, calculator, car, personal computer.tv, electric light, light bulb, alarm, clock, microwave oven, electric slipperstep 2 persentation1.teacher: when was the car invented? it was invented in .choose the three inventions of these and ask students to guess when each one was invented.for example, you might choose car, telephone, and personal computer2. get several different students to guess and write the dates on the board. ask the class to repeat the questions and answers.t: when was the car invented?(class repeat) t:good! now ,tanfei, what was your guess?s1: in 1900t: ok. tanfei, repeat after me. the car was invented in 19003.repeat the process with several different inventions4. make the students find out the real dates.5.t: who were the light bulbs invented by? and what are they used for? s2: they were invented by edison. t: good ! thats right ! now ,class, repeat follow meclass, what are light bulbs used for?s3: i think they are used for seeing in the dark.6. give five minutes to get different answers.step 3 practice 1a,1b, 1c1a. play the tape. the students fill in the blanks. then read the sentences together. ask individual students to comprehend the sentences and point out every phrase they see.1b. make sure the students understand the instructions and then listen to the tape. try to describe the pictures they have checked with one sentence.1c. listen again. fill in the blanks. point out every phrase in the sentence. step 4 pairworkrole play the conversation in 1b according to one in 1c.step 5 grammar focusrecall the phrases we study in this lesson. encourage the students to explain them in english. then comprehend and read the sentences in grammar focus.step 6 homework:1. memorize all the phrases in this lesson2.根据时间和人物写出发明物(1)1885_ (2)1876_(3)1927_(4)1976_(5) julie thompson_(6)chelsea lanmon_3.回答问题1）when was the car invented?_2)what are the cars used for?_3) what is the telephone used for?_4)what is heated ice cream scoop used for?_5) who was papermaking invented by?_step 7 blackboard design: unit9 when was it invented the first period words: invent, calculator, be used for, scoop, adjustable heel. battery operate, heatsentence patterns: 1.when was it invented? 2. they were invented by thompson. 3.what are they used for? 4.theyre used for seeing