新人教版选修八 unit 3 inventors and inventions-readingii[课件]

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1、人教新课标必修8Unit3InventorsandinventionsReadingIIUnit3InventorsandinventionsPeriod4ReadingIIAlexanderGrahamBellDoyouknowthefollowingscientistsandwhatthingstheyinvented?Matchthefollowingtwocolumns.GalileoEinsteinNewtonWattEdisonAlexandergrahamBelltelephonetelescope

2、steamenginebulbTheoryofRelativityNewton’slawAlexanderGrahamBellwasaninventorthatlivedbetween1819and1905.HewasborninScotlandandlaterlivedintheU.S.Hespentmuchofhiscareerteachingthedeaf.Haveyoueverwonderedwhytelephonecompaniesoftenhavetheword"Bell"aspartoftheirn

3、ame?AlexanderGrahamBellinventedthetelephonein1876-andthisisthephonecompany'swayofhonoringhisachievement!TheveryfirstphonecallwasfromBelltohislabassistant,andhesaid"Mr.Watson,comehereatonce.Iwantyou."Readthepassageandanswerthequestions:WhatdoesBell’ssayingmean

4、toyou?WhatdoyouthinkLedtohissuccessasaninventoroftelephone?WhatinventionsdidBellmake?Whywillhealwaysbeknownastheinventorofthetelephone?Whatdoyouthinkledtohissuccessasaninventorofthetelephone?Hiscuriosityandexploringspiritledtohissuccessasaninventoroftheteleph

5、one.WhatdoesBell’ssayingmeantoyou?Hissayingmeansthatitisimportanttobeexperimental.Bybeingcuriousandexploringaroundasubjectyoumaybychancecomeupwithsomenewandoriginalwaysofsolvingaproblem.WhatinventionsdidBellmake?Bellinventedthetelephoneandthetetrahedronshapeb

6、ychance.Bothoftheseareextremelyusefulandstillusedtoday.Whywillhealwaysbeknownastheinventorofthetelephone?Hewillalwaysbeknownastheinventorofthetelephonebecauseitwasaverypopularinventionandthepatentmadethemostmoneyever.ReadingtaskWasLeonardoDaVincijustapainter?

7、Page66MonaLisa----DaVinci’smostfamouspaintingDiscussion:DoyouthinkLeonardodaVinciisreallyagoodpainter?Whatelsedoyouknowheisfamousfor?Readthepassageandthenanswerthefollowingquestions:WhydidLeonardoneedtodesignthingsforhisemployerwhenhewassuchagreatpainter?Whyw

8、ereLeonardo’sdesigndifferent?Howdidpaintinghelphiminventthings?Whichskilldoyouthinkwasmoreimportant:hisdrawingfortheinventionsorhisunderstandingofmachinesforhispainting?Giveareason.1.Whyd