人教新課標(biāo)必修五Unit-1-Great-scientists-warming-up-and-reading課件

GreatscientistsUnit1Whatdoyouknowaboutgreatscientists?Trythisquizandfindoutwhoknowsthemost?Areyouready?Let’sgo!1.Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?ArchimedesIt’s…2.Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?CharlesDarwin3.Whoinventedthefirststeamengine?steamengineIt’susedfortakingwateroutofmines.JamesWatt4.Whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren?GregorMendelIt’susedinthetreatmentofsomediseases,especiallycancer.radiumWhat’sthis?5.Whodiscoveredradium?MarieCurie6.Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?ThomasEdison7.Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?Leonardoda

vinci8.Whoinventedalamptokeepminerssafeunderground?SirHumphryDavy9.Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?ZhangHengDoyouknowwhatblackholemeans?10.Whoputforwardatheoryaboutblackholes?Pre-ReadingDoyouknowhowtoproveanewideainscientificresearch?Discussinsmallgroupsthestagesinsettingoutanewscientificidea.relatingtoscience,orusingtheorganizedmethodsofscience.

scientificascientificdiscoveryascientificexperimentascientifictheoryDrawaconclusionThinkofamethodCollectresultsMakeupaquestionFindaproblemAnalysetheresultsFindsupportingevidenceWhatorderdoyouputthemin?Why?ThinkofamethodCollectresultsMakeupaquestionFindaproblemAnalyse

theresultsDrawaconclusionFindsupportingevidenceWhatdoyouknowaboutinfectiousdiseases?akindofinfectiousdiseasesWhatdoyouknowaboutcholera?aseriousinfectionofthebowelscausedbydrinkinginfectedwateroreatinginfectedfood,causingdiarrhoea(腹瀉),vomiting（嘔吐）andoftendeath.霍亂傳染性很強(qiáng)的腸道疾病。

Isittherightway?DiscussLookatthepicture,themapandthetitleandpredictthecontentofthereadingpassage.Thenskimitquicklytoseeifyouwereright.ReadingDoyouknowwhatdidthismapwasusedforin1854?FindingoutthecauseofCholera.AmapofBroadStreetWhatmethoddidheuse?BroadStreetManydeathshappenedhere.Nodeathhappenedhere.Thewaterfromthepumpwastoblame.PublichouseDrawaconclusionFindaproblemMakeupaquestionThinkofamethodCollectresultsAnalysetheresultsPara1Para2Para3Para4Para5Para6MatchthemFindsupportingevidencePara7Task2MindMapofthetextJohnSnowbegantotesttwotheories.AnoutbreakofcholerahitLondonin1854.JohnSnowmarkedthedeathsonamap.Heannouncedthatthewatercarriedthedisease.JohnSnowinvestigatedtwostreetswheretheoutbreakwasverysevere.KingCholerawasdefeated.Hefoundthatmostofthedeathswerenearawaterpump.Hehadthehandleremovedfromthewaterpump.21473856Readthepassageandnumbertheseeventsintheorderthattheyhappened.Discussion:Discussthefollowingquestionsingroupsoffour.1.2.3.Cholerawasa19thcenturydisease.Whatdiseasedoyouthinkissimilartocholeratoday?Why?JohnSnowbelievedIdea2wasright.Howdidhefinallyproveit?DoyouthinkJohnSnowwouldhavesolvedthisproblemwith-outthemap?Giveareason.Keys1.JohnSnowfinallyprovedhisideabecausehefoundanoutbreakthatwasclearlyrelatedtocholera,collectedinformationandwasabletotiecasesoutsidetheareatothepollutedwater.No.ThemaphelpedJohnSnoworganisehisideas.Hewasabletoidentifythosehouseholdsthathadhadmanydeathsandchecktheirwater-drinkinghabits.Heidentifiedthosehousesthathadhadnodeathsandsurveyedtheirdrinkinghabits.Theevidenceclearlypointed