高中英语Unit 3 Inventors and InventionsWarming up课件新人教版.ppt

unit3inventorsandinventions warmingup doyouknowanyinventorsandinventions guessinggame activity1 guesswhattheinventionisorwhotheinventoris it smadeofplasticsandmetal itlookslikeasmallboxwithascreenandbuttonsonit withtheinventionyoucancontactsomeonewhileyouarewalking 40 20 30 whatisit mobilephone let sguess activity1 theinventorisfromamerica heisoneofthefatherofinventions theinventorinventedthebulb 40 20 30 whoishe edison let sguess thisinventionlookslikeabird it smadeofmetal itmakesitpossibleforpeopletoflytodifferentplacesintheworld itispoweredbyanengineandisflownbyapilot 30 10 20 40 whatisit airplane let sguess thisinventioncanhelppeopleinthestreet itlookslikeatreestandingbesidethestreet itdirectscarsandtrucks itusescoloredlights redmeansstopping greenmeansgoing trafficlights 30 10 20 40 whatisit let sguess hewasaworld famousinventorfromsweden hereisoneofhisphotos heinventeddynamite 炸药 afamousprizewasnamedafterhim whoishe 40 20 30 50 alfrednobel let sguess theinventionlookslikeachair ithasapipethroughwhichthewastecango peopleuseittoremovewastematerialfromtheirbodies itisusuallymadeofchinatheseyears whatisit 50 30 40 60 toilet let sguess columbus thenewcontinent it s adiscovery mar 15 1493 activity2 pleasetellwhetherthefollowingarediscoveriesorinventions anamphibiouscar it s aninvention 水陆两用汽车 dna it s adiscovery stephenson s rocket it s aninvention a n issomethingthatwascreatedbyhumanbeingsnotexistingbefore invention a n issomethingwhichalreadyexistsbuthasbeenfoundoutnow discovery discussingroups whatisaninventionandwhatisadiscovery areinventions becausetheyare arediscoveries becausetheyare leverprinciple electricity telephone film evolutionism compass radium wheel createdbyhumanbeings somethingthatalreadyexists classifyinggame thetop5laziestinventions enjoythevideo discussingroups 1 haveyouevermetanyinconveniencesinyourdailylife pleaseinventanewwaytosolvetheproblemsofourlife 2 describeoneofthemoderninventionsyouknowandexplainhowusefultheyareinlife justchooseonetopictodiscuss 1 2 3 4 5 6 7 8 ifeelmyschoolbagalwaystooheavy soihopetoinventanewschoolbagwhichwillcarrymetoschooleverydayinsteadofbeingcarriedbyme sample1 sample2 thecomputerisoneofthegreatestinventionsofthelastcentury withwhichwecanfindasmuchnecessaryinformationaspossibleandalsosolvemanycomplexproblemseasily discussingroups whatcanyoulearninthisperiod whichgroup