人教新课标版高二选修8 Unit3 Inventors and inventions-ReadingII ppt课件

人教新课标必修8Unit3,ReadingII,Unit3Inventorsandinventions,Period4ReadingII,AlexanderGrahamBell,Doyouknowthefollowingscientistsandwhatthingstheyinvented?Matchthefollowingtwocolumns.,GalileoEinsteinNewtonWattEdisonAlexandergrahamBell,telephonetelescopesteamenginebulbTheoryofRelativityNewtonslaw,AlexanderGrahamBellwasaninventorthatlivedbetween1819and1905.HewasborninScotlandandlaterlivedintheU.S.Hespentmuchofhiscareerteachingthedeaf.,HaveyoueverwonderedwhytelephonecompaniesoftenhavethewordBellaspartoftheirname?AlexanderGrahamBellinventedthetelephonein1876-andthisisthephonecompanyswayofhonoringhisachievement!TheveryfirstphonecallwasfromBelltohislabassistant,andhesaidMr.Watson,comehereatonce.Iwantyou.,Readthepassageandanswerthequestions:,WhatdoesBellssayingmeantoyou?WhatdoyouthinkLedtohissuccessasaninventoroftelephone?WhatinventionsdidBellmake?Whywillhealwaysbeknownastheinventorofthetelephone?,Whatdoyouthinkledtohissuccessasaninventorofthetelephone?,Hiscuriosityandexploringspiritledtohissuccessasaninventorofthetelephone.,WhatdoesBellssayingmeantoyou?,Hissayingmeansthatitisimportanttobeexperimental.Bybeingcuriousandexploringaroundasubjectyoumaybychancecomeupwithsomenewandoriginalwaysofsolvingaproblem.,WhatinventionsdidBellmake?,Bellinventedthetelephoneandthetetrahedronshapebychance.Bothoftheseareextremelyusefulandstillusedtoday.,Whywillhealwaysbeknownastheinventorofthetelephone?,Hewillalwaysbeknownastheinventorofthetelephonebecauseitwasaverypopularinventionandthepatentmadethemostmoneyever.,Readingtask,WasLeonardoDaVincijustapainter,?,Page66,MonaLisa-,DaVincismostfamouspainting,Discussion:,DoyouthinkLeonardodaVinciisreallyagoodpainter?Whatelsedoyouknowheisfamousfor?,Readthepassageandthenanswerthefollowingquestions:,WhydidLeonardoneedtodesignthingsforhisemployerwhenhewassuchagreatpainter?WhywereLeonardosdesigndifferent?Howdidpaintinghelphiminventthings?Whichskilldoyouthinkwasmoreimportant:hisdrawingfortheinventionsorhisunderstandingofmachinesforhispainting?Giveareason.,1.WhydidLeonardoneedtodesignthingsforemployerwhenhewassuchagreatpainter?,Leonardolivedatatimeofgreatinstability,whenpaintingsdidnotalwaysprovideastedyincome.,2.WhywereLeonardosdesigndifferent?,Hedesignsweredifferentbecausehetookthingsapratandthenimprovedthem.Sohisdesignswereaccurateandcouldbebuiltandused.,3.Howdidpaintinghelphiminventthings?,Paintinghelpedhimwithhisinventionsbecausewhilepaintinghehadlearnedtoobservethingscloselyanddrawaccurately.,4.Whichskilldoyouthinkwasmoreimportant:hisdrawingfortheinventionsorhisunderstandingofmachinesforhispainting?Giveareason.,Hisunderstandingofmachinesforhispaintingwasmoreimportingbecausebyunderstandinghoweachseparatemachinepartworked,hecouldimprovethemandcombinethemindifferentwaystoimproveexistingmachines,whichleadtoalotofinventions.,(Thestudentscanhaveotheropinions),famouspaintingssuchasMonaLisa.,designedcanalsandbridges,designedcities,notmentioned,notmentioned,designedmanynewthingssuchasthebicycle,ahelicopterandan“automobile”,etc,tookthingsapartandfoundouthowtheyworkedinordertodesignabetterone,Discussthesequestionsinpairs.1.HowmanywayswasLeonardoabletoearnhisliving?2.Howmanyareasare