新人教版选修八 Unit 3 Inventors and inventions-ReadingII[

人教新课标必修8Unit3InventorsandinventionsReadingIIUnit3InventorsandinventionsAlexanderGrahamBellDoyouknowthefollowingscientistsandwhatthingstheyinvented?Matchthefollowingtwocolumns.GalileoEinsteinNewtonWattEdisonAlexandergrahamBelltelephonetelescopesteamenginebulbTheoryofRelativityNewton’slawAlexanderGrahamBellwasaninventorthatlivedbetween1819and1905.HewasborninScotlandandlaterlivedintheU.S.Hespentmuchofhiscareerteachingthedeaf.HaveyoueverwonderedwhytelephonecompaniesoftenhavethewordBellaspartoftheirname?AlexanderGrahamBellinventedthetelephonein1876-andthisisthephonecompany'swayofhonoringhisachievement!TheveryfirstphonecallwasfromBelltohislabassistant,andhesaidMr.Watson,comehereatonce.Iwantyou.Readthepassageandanswerthequestions:1.WhatdoesBell’ssayingmeantoyou?2.WhatdoyouthinkLedtohissuccessasaninventoroftelephone?3.WhatinventionsdidBellmake?4.Whywillhealwaysbeknownastheinventorofthetelephone?Whatdoyouthinkledtohissuccessasaninventorofthetelephone?Hiscuriosityandexploringspiritledtohissuccessasaninventorofthetelephone.WhatdoesBell’ssayingmeantoyou?Hissayingmeansthatitisimportanttobeexperimental.Bybeingcuriousandexploringaroundasubjectyoumaybychancecomeupwithsomenewandoriginalwaysofsolvingaproblem.WhatinventionsdidBellmake?Bellinventedthetelephoneandthetetrahedronshapebychance.Bothoftheseareextremelyusefulandstillusedtoday.Whywillhealwaysbeknownastheinventorofthetelephone?Hewillalwaysbeknownastheinventorofthetelephonebecauseitwasaverypopularinventionandthepatentmadethemostmoneyever.ReadingtaskWasLeonardoDaVincijustapainterPage66MonaLisa----DaVinci’smostfamouspaintingDiscussion:DoyouthinkLeonardodaVinciisreallyagoodpainter?Whatelsedoyouknowheisfamousfor?Readthepassageandthenanswerthefollowingquestions:1.WhydidLeonardoneedtodesignthingsforhisemployerwhenhewassuchagreatpainter?2.WhywereLeonardo’sdesigndifferent?3.Howdidpaintinghelphiminventthings?4.Whichskilldoyouthinkwasmoreimportant:hisdrawingfortheinventionsorhisunderstandingofmachinesforhispainting?Giveareason.1.WhydidLeonardoneedtodesignthingsforemployerwhenhewassuchagreatpainter?Leonardolivedatatimeofgreatinstability,whenpaintingsdidnotalwaysprovideastedyincome.2.WhywereLeonardo’sdesigndifferent?Hedesignsweredifferentbecausehetookthingsapratandthenimprovedthem.Sohisdesignswereaccurateandcouldbebuiltandused.3.Howdidpaintinghelphiminventthings?Paintinghelpedhimwithhisinventionsbecausewhilepaintinghehadlearnedtoobservethingscloselyanddrawaccurately.4.Whichskilldoyouthinkwasmoreimportant:hisdrawingfortheinventionsorhisunderstandingofmachinesforhispainting?Giveareason.Hisunderstandingofmachinesforhispaintingwasmoreimportingbecausebyunderstandinghoweachseparatemachinepartworked,hecouldimprovethemandcombinethemindifferentwaystoimproveexistingmachines,whichleadtoalotofinventions.(Thestudentscanhaveotheropinions)PossibleskillsEvidencefromLeonardoEvidencefromyouartistengineerarchitectteacherdoctorinventorscientistPossibleskillsEvidencefromLeonardoEvidencefromyouartistengineerfamouspaintingssuchasMonaLisa.designedcanalsandbridgesPossibleskillsEvidencefromLeonardoEvidencefromyouarchitectteacherdesignedcitiesnotmentionedPossibleskillsEvidencefromLeonardoEvidencefromyoudoctorInventornotmentioneddesignedmanynewthingssuchasthebicycle,ahelicopterandan“automobile”,etcPossibleskillsEvidencefromLeonardoEvidencefromyouscientisttookthingsapartandfoundouthowtheyworkedinordertodesignabetteroneDiscussthesequestionsinpairs.1.HowmanywayswasLeonardoabletoearnhisliving?2.Howmanyareasareyoufamiliarwith?3.Whichareasofknowledgeareyouleasthappywith?Doesthisworryyou?Howmightyouputthisright?Assignment1.Readthepassageagain.2.Recitethenewwordsinthereading.