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•Unit1•GreatScientistsWarmingUpWhatdoyouknowaboutgreatscientists?Trythisquizandfindoutwhoknowsthemost.1.Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?It’s…Archimedes2.Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?It’s…CharlesDarwin3.Whoinventthefirststeamengine?It’s…ThomasNewcomenItwasusedtotakewateroutofmines.JamesWattJamesWattimproveditfurtherinthe1770sturningitintothefirstmodernsteamengineusedontherailways.4.Whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren?It’s…GregorMendel.5.Whodiscoveredradium?It’s…MarieCurie.6.Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?It’s…ThomasEdison.Geniusisonepercentinspiration,ninety-ninepercentperspiration----ThomasEdison7.Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?It’s…LeonardodaVinci.8.Whoinventedalamptokeepminerssafeunderground?It’s…SirHumphryDavy.SirHumphryDavy,Englishchemistandinventoroftheminerssafetylamp英国化学家、煤矿安全灯发明者汉弗莱·戴维爵士生于康沃尔郡，父亲是木雕师。9.Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?It’s…ZhangHeng.10.Whoputforwardatheoryaboutblackholes?It’s…StephenHawking.a.Drawaconclusion:(得出结论)b.Thinkofamethod:(找出研究方法)c.Collectresults:(收集材料)d.Makeaquestion:(形成研究主题)e.Findaproblem:(发现问题)f.Analysetheresults:(分析材料)g.Findsupportingevidence:(找旁证)Howtoproveanewideainscientificresearch?Discussandputthestepsintoorder?Pre-readinge-d-b-c-f-g-aJohnSnowJohnSnow(1813-1858)waseducatedataprivateschooluntil14,hewasapprenticed(学徒)toasurgeon(外科医生).DuringtheLondonCholeraepidemic（霍乱流行）of1831-1832,hebecameastudentataschoolofmedicine.After2years,hewasacceptedasamemberoftheRoyalCollegeofSurgeonsofEngland.Doyouknowanythingaboutcholera?Itwasa19thcenturydisease.Itwasspreadbygerms.Itwasthemostdeadlydiseaseofitsday.peoplewhoareinfectedwithitwillbeeasytodie.......Whatdoyouknowaboutinfectiousdiseases?SARSBirdFluH1N1FlucholeraReadingJohnSnowdefeats“KingCholera”What’sthemainideaofthepassage?A.JohnSnowwasawell-knowndoctorinLondon.B.ThecauseofCholerawaspollutedwater.C.Thesourceofalldrinkingwatershouldbeexamined.D.HowJohnSnowcollected,analyzeddataandfoundthecauseofthediseaseandsolvedit.drawaconclusionfindaproblemmakeaquestionthinkofamethodcollectresultsanalysetheresultsfindsupportingevidenceMatchthemPara1Para2Para3Para4Para5Para6Para7Johnsnowwasafamous_____,so_____thathe______QueenVictoriaasherpersonal________.Buthethoughtabouthelpingordinarypeople__________cholera.Hewantedtofacethe_________and_____thisproblem..DetailReading:Paragraph1doctorexpertattendedphysicianexposedtochallengesolveFindaproblemWhatistheproblem?Whatcausescholera?What’rethetwotheories?Paragraph2:Makeaquestion▲1:Choleramultipliedintheair.▲2:Peopleabsorbedthisdiseaseintotheirbodieswiththeirmeals.Whatwasthequestion?Whichtheoryiscorrect?Paragraph3:ThinkamethodWhenanotheroutbreakhitLondonin1854,whatdidhedo?★beginhisenquiry★gatherinformation★determinetofindoutwhyWhatmethoddidhetake?Collectdataonthosewhofellillordiedandwheretheylived.Paragraph4:CollectresultsWhatdidhedotocollectresults?Plotinformationonamaptofindoutwherepeoplediedordidnotdie.AmapofBroadStreetWhatmethoddidheuse?Manydeathshappenedhere.Nodeathhappenedhere.Publichouse3AreaANodeath:______________________________________AreaBFullofdeath:_________________________________________Reason:PeopleinareaA____________________________________________________________Conclusion:Itseemed______________________20,21BroadStreet8,9CambridgestreetNearthewaterpumpesp.No16,37,38and40workedinthepubandweregivenfreebeerthewaterwastoblameParagraph5:AnalyseresultsWhatdidJohnSnowdonext?◇Lookedintothesourceofthewater;◇Foundthatitcamefromtheriverpollutedbythedirtywater.◇Toldtoremovethehandlefromthepump.Thediseasesloweddown.Whatdidheanalyse?Why?Heanalysedthewatertoseeifitisthesourceofthedeaths?What’stheresult?Paragraph6:Whatextraevidencedidhefind?FindingsupportingevidenceAwomanandherdaughterwhomovedawaybutdrankthewateralsodied.Paragraph7:DrawaconclusionItwascertainthatpollutedwatercarriedthevirus.Thesourceofalldrinkingwatershouldbeexamined.Whatistheconclusion?Numbertheseeventsinthetimeorder.___JohnSnowbegantotesttwotheories.___AnoutbreakofcholerahitLondonin1854.___JohnSnowmarkedthedeathsonamap.___Heannouncedthatthewatercarriedthedisease.___JohnSnowinvestigatedtwostreetswheretheoutbreakwasverysevere.___KingCholerawasdefeated.___Hefoundthatmostofthedeathswerenearawaterpump.___Hehadthehandleremovedfromthewaterpump.21345678Post-readingDoyouwanttobeascientist?Ifso,why?Ifnot,whatdoyouwanttobe?Homework1.FinishEx.1onP42.2.Retellthestory.ThankYou