九年级英语上册 Topic 2 When was it invented 教案 仁爱版VIP免费

Topic2Whenwasitinvented?SectionAThemainactivitiesare1aand2a.本课重点活动是1a和2a。Ⅰ.Teachingaimsanddemands教学目标1.Learnsomenewwords:metal,toothbrush,ink,recorder2.Learnsomeusefulsentences:—What’sitmadeof/from?—It’smadeof/from…—What’situsedfor?—It’susedfor…3.Learnthesimplepastpassivevoice:(1)—Whenwasitdeveloped?—Around1998.(2)—Wherewasitdeveloped?—ItwasdevelopedinKorea.4.Learnhowtoexpresshopesandwishes:(1)IwishIcouldgointospacesomeday.(2)Ihopeyourdreamwillcometrue.5.Talkaboutnewtechnologiesandinventions.Ⅱ.Teachingaids教具火箭模型/牙刷/墨水/纸/录音机/小黑板/MP3/各种发明的图片/魔盒Ⅲ.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习(时间:6分钟)师生对话，让学生尽量用被动语态叙述计算机的作用，引出生词rocket并导入新课。T:Boysandgirls,we’velearnedabouttheimportanceofcomputers.Canyoutellmesomethingabouttheminpassivevoice?S1:Computersareusedbydoctorstofinddiseaseseasily.S2:Robotsarecontrolledbycomputerstododangerouswork.S3:Inbusiness,computersareusedtoplaceandcancelorders.S4:Spaceshipsaremainlycontrolledbycomputers.T:Welldone!Butdoyouknowhowthespaceshipsaresentupfromthegroundintospace?S4:Theyaresentupbyrockets.(帮助学生回答。)(出示火箭模型，板书并帮助学生理解rocket。)rocketT:Look!Thisisamodelrocket.What’sitmadeof?What’situsedfor?Let’scometo1aandtalkaboutit.Step2Presentation第二步呈现(时间:13分钟)用具体实物设置情景，师生对话，学习生词和新句型。找出关键词句和目标语言，为交际积累材料。1.(师生对话，用实物引出生词，学习新句型。)T:(让学生摸一摸火箭模型)What’sitmadeof?S1:It’smadeof“金属”.T:Yes,it’smadeofmetal.(板书句型及生词，并让学生掌握。)metalWhat’sitmadeof?It’smadeofmetal.T:Doyouknowwhatarocketisusedfor?Ss:It’susedforsendingspaceshipsintospace.T:Yes,it’susedforsendingspaceshipsorsatellitesintospace.(板书句型并要求学生掌握，帮助学生理解satellite。)satelliteWhatisarocketusedfor?It’susedforsendingsatellitesorspaceshipsintospace.(摸出牙刷。)T:HowdoyousaythisinEnglish,S2?S2:Sorry,Idon’tknow.T:OK,itisatoothbrush.(板书toothbrush，领读并要求学生掌握该单词及复数形式。)toothbrushtoothbrushesT:(手拿牙刷问)What’situsedfor?S2:It’susedforbrushingteeth.T:What’sitmadeof,S2?S2:It’smadeofplastic.T:Verygood!You’reright.(摸出一瓶墨水。)What’sthisinEnglish,S3?S3:Sorry,Idon’tknow.T:It’sabottleofink.(板书，领读并要求学生掌握。)inkT:Doyouknowwhatitisusedfor?S3:It’susedforwriting.(从魔盒中摸出一张纸，做神秘状。)T:HowdoyousaythisinEnglish,S4?S4:It’sapieceofpaper.T:Canyoutellmewhatitismadefrom?(让其摸一摸，看一看。)S4:Sorry,Ican’t.T:Letmetellyou.Itismadefromwood.(说的时候语速要慢，重音放在from。)(引导学生总结bemadeof与bemadefrom的区别。板书并解释。)bemadeof+材料：表示原材料容易被看出。bemadefrom+材料：表示原材料经过化学变化，不易被看出。2.(让学生不要打开课本，听1a，回答下列问题，听后核对答案。)T:Don’topenyourbooks.Listentothetapecarefullyandtrytofindouttheanswerstothequestions.(出示小黑板。)(1)WhyisJaneunhappy?(2)Whomadethemodelrocket?(3)Whatisarocketusedfor?(核对答案。)3.(让学生打开课本，找出疑难句。教师出示小黑板。)I’mnotallowedtoplaycomputergames.It’smadeofmetal.It’susedforsending…into…IwishIcouldgointospacesomeday.(解释此句使用了虚拟语气，在此只要求了解。)Ihopeyourdreamwillcometrue.Step3Consolidation第三步巩固(时间:8分钟)巩固1a及bemadeof/from,beusedfor的用法。完成1b。1.(让学生打开课本，再听1a录音，学生跟读，感受纯正的语音语调。)T:Openthebooks,liste...