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Unit3InventorsandinventionsWarmingUpDoyouknowanyinventorsandinventions?GuessingGameActivity1Guesswhattheinventionisorwhotheinventoris.It’smadeofplasticsandmetal.Itlookslikeasmallboxwithascreenandbuttonsonit.Withtheinventionyoucancontactsomeonewhileyouarewalking.402030Whatisit?MobilephoneLet'sguessActivity1TheinventorisfromAmerica.Heisoneofthefatherofinventions.Theinventorinventedthebulb.402030Whoishe?EdisonLet'sguessThisinventionlookslikeabird.It’smadeofmetal.Itmakesitpossibleforpeopletoflytodifferentplacesintheworld.Itispoweredbyanengineandisflownbyapilot.30102040Whatisit?AirplaneLet'sguessThisinventioncanhelppeopleinthestreet.Itlookslikeatreestandingbesidethestreet.Itdirectscarsandtrucks.Itusescoloredlights.Redmeansstopping,greenmeansgoing.Trafficlights30102040Whatisit?Let'sguessHewasaworld-famousinventorfromSweden.Hereisoneofhisphotos.Heinventeddynamite(炸藥).Afamousprizewas

namedafterhim.

Whoishe?40203050AlfredNobelLet'sguessTheinventionlookslikeachair.Ithasapipethroughwhichthewastecango.Peopleuseittoremovewastematerialfromtheirbodies.Itisusuallymadeofchinatheseyears.

Whatisit?50304060ToiletLet'sguessColumbus

theNewContinentIt’s___________adiscovery.Mar.15,1493Activity2Pleasetellwhetherthefollowingarediscoveriesorinventions.AnamphibiouscarIt’s________aninvention.水陸兩用汽車DNAIt’s________adiscovery.Stephenson’s“Rocket”It’s________aninvention.A(n)__________issomethingthatwascreatedbyhumanbeingsnotexistingbefore.inventionA(n)__________issomethingwhichalreadyexistsbuthasbeenfoundoutnow.discoveryDiscussinGroupsWhatisaninventionandwhatisadiscovery?①_______,________,______,_________areinventions,becausetheyare_______________________；②_______,

____________,

_______________,

________arediscoveries,becausetheyare________________________.leverprincipleelectricitytelephonefilmevolutionismcompassradiumwheelcreatedbyhumanbeingssomethingthatalreadyexistsClassifyingGameTheTop5LaziestInventionsEnjoythevideoDiscussinGroups1.Haveyouevermetanyinconveniencesinyourdailylife?

Pleaseinventanewwaytosolvetheproblemsofourlife.2.Describeoneofthemoderninventionsyouknowandexplainhowusefultheyareinlife.Justchooseonetopictodiscuss12345678Ifeelmyschoolbagalwaystooheavy,soIhopetoinventanewschoolbagwhichwillcarrymetoschooleverydayinsteadofbeingcarriedbyme.Sample1:Sample2:Thecomputerisoneofthegreatestinventionsofthelastcentury,withwhichwecanfindasmuchnecessaryinformationaspossibleandalsosolvemanycomplexproblemseasily.DiscussinGroupsWhatcanyoulearninthi

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