北师大版选修7 Unit 20 New Frontiers Lesson 3 Scientific Breakthroughs课件（29张）.ppt

unit20lesson3scientificbreakthroughs somediscoveriesorinventionsinthe20thcentury meansoftransport wrightbrothers thechangeincommunication neilaldenarmstrongwasthefirstpersontosetfootonthemoon thisismypersonalonesmallstep itwasagreatstepofmankind thefirstartificialsatellite sputnik1 waslaunchedbythesovietunionin1957 reading pioneersofscience hisgreatestdiscoveryisthecreationofhisfamoustheoryofrelativity alberteinstein alberteinsteinwasconsideredthegreatestscientistofthe20thcentury edwinhubblewasanamericanastronomer hismostimportantdiscoverywastheexpandinguniverse edwinhubble hubblespacetelescope alexanderfleming ascottishbiochemist discoveredpenicillin alexanderfleming thedesignerofeniac thefirstcommercialcomputermadeintheunitedstates johnwilliammauchlyandj prespereckert theworldfirstcomputer percyspencer anamericanengineerandinventor discoveredmicrowaves percyspencer 1 theequatione mc22 penicillin3 thefirstcomputer4 othergalaxies5 microwave trytomatchthediscoverieswithhowtheywerediscovered a scientistsworkedtogetherasateamb therewasaluckyaccidentc ascientistdidresearchformanyyearsd ascientistwasinspirede therewasamistake einsteinwasatworkwhenhethoughtoftheequation e mc2 einsteinparticipatedintheprogramthatdevelopedthenuclearbomb einsteinobservedchangesintime sizeandmass hubblestudiedtheuniverseforovertwentyyears hubblediscoveredthatourgalaxyisbiggerthanwethoughtitwas arethesestatementtrueorfalseaccordingtothetextoristherenoinformation 6 fleminghadbeenstudyingbacteriainhislaboratorywhenthediscoveryhappened 7 therewasabluemouldaroundthebacteriainthedish 8 flemingdevelopedtheprocessofmakingpenicillin 9 thefirstcomputerprojectfailedtomeetitsoriginalgoal 10 thefirstcomputerwasextremelydifficulttoprogram 11 thescientistwhodiscoveredmicrowavesinventedmicrowaveovens 12 todayitispossibletodonateyourhearttohospitalwhenyoudie einsteinwasatworkwhenhethoughtoftheequation e mc2 einsteinparticipatedintheprogramthatdevelopedthenuclearbomb einsteinobservedchangesintime sizeandmass hubblestudiedtheuniverseforovertwentyyears hubblediscoveredthatourgalaxyisbiggerthanwethoughtitwas f t t arethesestatementtrueorfalseaccordingtothetextoristherenoinformation ni ni 6 fleminghadbeenstudyingbacteriainhislaboratorywhenthediscoveryhappened 7 therewasabluemouldaroundthebacteriainthedish 8 flemingdevelopedtheprocessofmakingpenicillin 9 thefirstcomputerprojectfailedtomeetitsoriginalgoal 10 thefirstcomputerwasextremelydifficulttoprogram 11 thescientistwhodiscoveredmicrowavesinventedmicrowaveovens 12 todayitispossibletodonateyourhearttohospitalwhenyoudie ni t ni t ni f f readingtask readingtask readingtask theworldandspace e mc2 energy change readingtask newgalaxies larger millionsoflives accuracy microwaves breakthroughs introductionbodyconclusion simpleoutline abriefintroductionofscientificbreakthroughsinthe20thcentury para 9 somegreatpioneersofscienceandtheirinventionsordiscoveries thesignificanceofthesebreakthroughs discussion itispredicted 预言 thattherewillbe5scientificbreakthroughsinthe21stcentury whatdoyouthinkwillbethe5scientificbreakthroughsandhowwilltheyinfluenceourlife haveadiscussionandvoiceyouropinion 1 we llknowwherewecamefrom whydoestheuniverseexist 2 we llcrackthegeneticcodeandconquercancer 3 we lllivelonger 120years 4 we ll manage earth we llstoptalkingabouttheweatherbutwilldosomethingaboutit we llgraduallylearnhowtopredicttheeffectsofhumanactivityontheearth itsclimateanditsecosystems 5 we llhaveabrain