人教新课标必修五Unit_1_Great_scientists-warming_up_and_reading[课件].ppt

Greatscientists,Unit1,Whatdoyouknowaboutgreatscientists?Trythisquizandfindoutwhoknowsthemost?,Areyouready?Letsgo!,1.Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?,Archimedes,Its,2.Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?,CharlesDarwin,3.Whoinventedthefirststeamengine?,steamengine,Itsusedfortakingwateroutofmines.,JamesWatt,4.Whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren?,GregorMendel,Itsusedinthetreatmentofsomediseases,especiallycancer.,radium,Whatsthis?,5.Whodiscoveredradium?,MarieCurie,6.Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?,ThomasEdison,7.Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?,Leonardodavinci,8.Whoinventedalamptokeepminerssafeunderground?,SirHumphryDavy,9.Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?,ZhangHeng,Doyouknowwhatblackholemeans?,10.Whoputforwardatheoryaboutblackholes?,Pre-Reading,Doyouknowhowtoproveanewideainscientificresearch?Discussinsmallgroupsthestagesinsettingoutanewscientificidea.,relatingtoscience,orusingtheorganizedmethodsofscience.,scientific,ascientificdiscovery,ascientificexperiment,ascientifictheory,DrawaconclusionThinkofamethodCollectresultsMakeupaquestionFindaproblemAnalysetheresultsFindsupportingevidence,Whatorderdoyouputthemin?Why?,Thinkofamethod,Collectresults,Makeupaquestion,Findaproblem,Analysetheresults,Drawaconclusion,Findsupportingevidence,Whatdoyouknowaboutinfectiousdiseases?,akindofinfectiousdiseases,Whatdoyouknowaboutcholera?,aseriousinfectionofthebowelscausedbydrinkinginfectedwateroreatinginfectedfood,causingdiarrhoea(腹泻),vomiting（呕吐）andoftendeath.,霍乱,传染性很强的肠道疾病。,Isittherightway?,Discuss,Lookatthepicture,themapandthetitleandpredictthecontentofthereadingpassage.Thenskimitquicklytoseeifyouwereright.,Reading,Doyouknowwhatdidthismapwasusedforin1854?,FindingoutthecauseofCholera.,AmapofBroadStreet,Whatmethoddidheuse?,BroadStreet,Manydeathshappenedhere.,Nodeathhappenedhere.,Thewaterfromthepumpwastoblame.,Publichouse,Drawaconclusion,Findaproblem,Makeupaquestion,Thinkofamethod,Collectresults,Analysetheresults,Para1,Para2,Para3,Para4,Para5,Para6,Matchthem,Findsupportingevidence,Para7,Task2,MindMapofthetext,JohnSnowbegantotesttwotheories.AnoutbreakofcholerahitLondonin1854.JohnSnowmarkedthedeathsonamap.Heannouncedthatthewatercarriedthedisease.JohnSnowinvestigatedtwostreetswheretheoutbreakwasverysevere.KingCholerawasdefeated.Hefoundthatmostofthedeathswerenearawaterpump.Hehadthehandleremovedfromthewaterpump.,21473,8,5,6,Readthepassageandnumbertheseeventsintheorderthattheyhappened.,Discussion:Discussthefollowingquestionsingroupsoffour.,1.,2.,3.,Cholerawasa19thcenturydisease.Whatdiseasedoyouthinkissimilartocholeratoday?Why?,JohnSnowbelievedIdea2wasright.Howdidhefinallyproveit?,DoyouthinkJohnSnowwouldhavesolvedthisproblemwith-outthemap?Giveareason.,Keys,1.,JohnSnowfinallyprovedhisideabecausehefoundanoutbreakthatwasclearlyrelatedtocholera,collectedinformationandwasabletotiecasesoutsidetheareatothepollutedwater.,No.ThemaphelpedJohnSnoworganisehisideas.Hewasabletoidentifythosehouseholdsthathadhadmanydeathsandchecktheirwater-drinkinghabits.Heidentifiedthosehousesthathadhadnodeathsandsurveyedtheirdrinkinghabits.Theevidenceclearlyp