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

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1、人教新课标必修8Unit3ReadingIIUnit3InventorsandinventionsPeriod4ReadingIIAlexanderGrahamBellDoyouknowthefollowingscientistsandwhatthingstheyinvented?Matchthefollowingtwocolumns.GalileoEinsteinNewtonWattEdisonAlexandergrahamBelltelephonetelescopesteamenginebulbTheoryofRelativity

2、Newton’slawAlexanderGrahamBellwasaninventorthatlivedbetween1819and1905.HewasborninScotlandandlaterlivedintheU.S.Hespentmuchofhiscareerteachingthedeaf.Haveyoueverwonderedwhytelephonecompaniesoftenhavetheword"Bell"aspartoftheirname?AlexanderGrahamBellinventedthetelephonei

3、n1876-andthisisthephonecompany'swayofhonoringhisachievement!TheveryfirstphonecallwasfromBelltohislabassistant,andhesaid"Mr.Watson,comehereatonce.Iwantyou."Readthepassageandanswerthequestions:WhatdoesBell’ssayingmeantoyou?WhatdoyouthinkLedtohissuccessasaninventorofteleph

4、one?WhatinventionsdidBellmake?Whywillhealwaysbeknownastheinventorofthetelephone?Whatdoyouthinkledtohissuccessasaninventorofthetelephone?Hiscuriosityandexploringspiritledtohissuccessasaninventorofthetelephone.WhatdoesBell’ssayingmeantoyou?Hissayingmeansthatitisimportantt

5、obeexperimental.Bybeingcuriousandexploringaroundasubjectyoumaybychancecomeupwithsomenewandoriginalwaysofsolvingaproblem.WhatinventionsdidBellmake?Bellinventedthetelephoneandthetetrahedronshapebychance.Bothoftheseareextremelyusefulandstillusedtoday.Whywillhealwaysbeknown

6、astheinventorofthetelephone?Hewillalwaysbeknownastheinventorofthetelephonebecauseitwasaverypopularinventionandthepatentmadethemostmoneyever.ReadingtaskWasLeonardoDaVincijustapainterPage66MonaLisa----DaVinci’smostfamouspaintingDiscussion:DoyouthinkLeonardodaVinciisreally

7、agoodpainter?Whatelsedoyouknowheisfamousfor?Readthepassageandthenanswerthefollowingquestions:WhydidLeonardoneedtodesignthingsforhisemployerwhenhewassuchagreatpainter?WhywereLeonardo’sdesigndifferent?Howdidpaintinghelphiminventthings?Whichskilldoyouthinkwasmoreimportant:

8、hisdrawingfortheinventionsorhisunderstandingofmachinesforhispainting?Giveareason.1.WhydidLeonardoneedtodesignt