Unit1Whenwasitinvented课题Unit1Whenwasitinvented?课时1课型新授课教学目标1.KnowledgeObjects(1)KeyVocabulary：invent(2)TargetLanguage：Whenwasthetelephoneinvented?Ithinkitwasinventedin1876.2.AbilityObjects(1)Teachthestudentstousethenewwords.(2)Trainthestudentstotalkaboutthehistoryofinventions.(3)Trainthestudents'listeningandspeakingskillswiththetargetlanguage.3.MoralObjectsManyimportantinventionshavechangedtheworldalot.Doyouknowtheinventorsofthem?Andwhenweretheyinvented?重点难点分析及突破措施教学重点：1.新的词汇和习语。1.Trainthestudentstotalkaboutthehistoryofinventions.2.Trainthestudentstounderstandthetargetlanguageinspokenconversation教具准备课件,teachingcards,picturesandataperecorder.板书设计Unit1Whenwasitinvented?SectionBcrispy(hard,dryandeasilybroken)bymistakesourchef(cook)…salty(sprinkledwithlotsofsalt)sprinkle..onA:Didyouknowpotatochipswereinventedbymistake?B:Wow,Ididn’tknowthat.Whoinventedthem?A:TheywereinventedbyachefcalledGeorgeCrum.B:…教学过程(包括导引新课、依标导学、异步训练、达标测试、作业设计等)Step1BrainstormingPlayguessinggames:whatinventionsarethey?Onestudentcomestothefronttoguess,theothersdescribeaninventionshownonthescreenusingthepassivesentences:It’susedfor…Itwasinventedby…Itwasinventedin…etc.Taketurnstoshow‘lightbulb,alarmclock,microwaveoven’withsomeotherhelpfulpicturesthatcenteraboutthemnearbyonthescreen.(Purposeofdesigning:Toguidethestudentstoreviewwhattheylearnedlastlesson)Step2Leading-inT:Themicrowaveovenremindsmeofsomedeliciousfood.Iwillplayacartooncalled“musicfood”Myfavoritefoodisinit.Trytoguesswhatitis.Everytimewhentheygiveaguess,Iwillexpressmylikeanddislikebyusingsomeadjectiveslikesweet,crispy,salty,sour.Makesuretheyknowthemeaningsofthem.Forexample:S:ChocolateT:It’sverycrispy,butit’stoosweet.Idon’tlikeitCanyouguessthemeaningof‘crispy’?Itdescribesfoodthatishard.dryandeasilybroken.S:Milk.T:Iprefersourmilktomilk.Doyouknow‘sour’?Orangessometimestastesour.S:Fish.T:yes!Fishismyfavorite,andIespeciallylikesaltyfishthatissprinkledwithalotofsalt.Duringthiscourse,writedownthenewwordsontheblackboard..Finallyplayaleadingroletoreadthem.(Purpose:Toarousethestudents’interest,createusefulsituationsforthemtolearnthenewwords.Prepareforthenextstep.)Step3PracticeTaskOnewriting1a.Showfourfoodpicturesonthescreenandgetthestudentstodescribehowthefoodtastesandwritethemdown.1b.Askthemtolistthewordsofthefoodthathasdifferenttastesaccordingtotheheadingsonthescreenasmanyaspossible.sweetcrispysaltysourTheteachermovesaroundtheclassroomtoprovidehelpforthestudentswhohavetroubleinspellingsomehardwordsandchoosethreestudentswhowritedifferentwordsfromoneanother.(Purpose:Topracticeusingthetargetwordsandreviewthefoodwordstheyhavelearntbefore.)TaskTwoSpeakingandactingGetthethreestudentstothefront,dividetheclassintofourgroups:SweetGroup,CrispyGroup,SaltyGroup,SourGroupGamebegins:Thethreestudentsreadtheirwordsloudlyinclassonebyonewithoutrepetition,thegroupmembersshouldstandupassoonastheyhearawordthatbelongstothem.Calloutthestudentswhostoodupbymistakeandhavethemguessthemeaningof‘bymistake’.(Purpose:Thisisemployedtoshowthewordstheywroteandlinkthetargetwordswiththefoodwords,andgetthewholeclassmoving.)esentationT:Justnowyoumentionedmanykindsoffood,butdoyouknowtherearesomeinterestingstoriesbehindthem.Hereisone.Askthestudentstolookatthepicturein2aandimaginewhattheyaretalk...
