人教新课标高中英语必修5 unit 1 Great scientist warming up 课件.ppt

Unit1GreatscientistsWarmingup,高二人教新课标版必修五,Wordsandexpressions,Whatdoyouknowaboutgreatscientists?Trythisquizandfindoutwhoknowsthemost.,1.Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?,Archimedes,Archimedes,AncientGreek(287-212BC),amathematician.Hefoundthatifyouputanobjectintowaterthewaterpushestheobjectup.Itrisesandpartlyfloats.Theforceofthewaterpushingitupisthesameastheweightoftheobject.,2.Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?,CharlesDarwin,CharlesDarwin,Britain(1808-1882)TheOriginofSpecieswaspublishedin1859.Itexplainedhowplantsandanimalshadchangedovertimetofitinwithachangingenvironment.Atthetimeitwaspublisheditwasverycontroversial.ManypeoplebelievedtheBiblewhenitsaidthattheGodmadethefirsttwopeople,(AdamandEve)andthatallotherpeoplecamefromthesetwo.Darwinsbookshowedthatpeoplehaddevelopedfromapesinstead.Sothiscausedalotofargumentbetweenreligiousandscientificpeople.HoweverDarwinsideabecameveryinfluentialandisstillacceptedtoday.,3.Whoinventedthefirststeamengine?,ThomasNewcomen,ThomasNewcomen,British(1663-1729)HeimprovedthefirststeampumpbuiltbyThomasSaveryin1698andturneditintoasteamenginefortakingwateroutofminesin1712.JamesWattimproveditstillfurtherinthe1770sturningitintothefirstmodernsteamengineusedontherailways.,4.Whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren?,GregorMendel,GregorMendel,Czech(1822-1884)Hegrewpeaplantsanddevelopedideasonheredity(遗传学)andinherited(继承,承传)characteristics.Heconcentratedoncross-fertilizing(施肥)peaplantsandanalyzingtheresults.,5.Whodiscoveredradium?,MarieCurie,thepowerofradium,MarieCurie,PolishandFrench(1867-1934)In1898shediscoveredradium.ShereceivedtwoNobelprizes,one(withPierreCurie)forphysics(1903)andoneforchemistry(1911).ShewasthefirstwomantoreceiveaNobelprizeandthefirstwomantoteachattheSorbonne(巴黎大学).,6.Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?,ThomasEdison,lightbulb,phonograph,motionpictures,ThomasEdison,American(1847-1931)Hewasalreadyaninventorofotherelectricaldevices(phonograph,electriclightbulb)whenin1882hedesignedasystemforprovidingNewYorkwithelectricityfromacentralpowerstation.Thiswasatremendousachievement,whichhadpreviouslybeenthoughtimpossible.,7.Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?,LeonardodaVinci,theLastSupper,MonaLisa,LeonardodaVinci,Italian(1452-1519)Hewasafamousartistwhoseskillforshowinghumanskintonesmadehispaintingsseemtocomealive.Heusedtostudydeadpeopleinordertomakehispaintingsasaccurateaspossible.,8.Whoinventedalamptokeepminerssafeunderground?,SirHumphryDavy,theSafetyLamp,SirHumphryDavy,British(1778-1829)Hedidresearchintodifferentgasesanddiscoveredthemedicinalvalueofnitrous(麻醉)oxide(氧化物)(orlaughinggas)asananaesthetic(麻醉剂).In1815hedevelopedasafetylampforminers.Thesaftyhelmetmadeworkingundergroundverymuchsafer.,9.Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?,ZhangHeng,ZhangHeng,Chinese(78-139)Heinventedthefirstseismographtoindicateinthedirectionofanearthquake.Itwasintheshapeofacylinderwitheightdragonheadsroundthetop,eachwithaballinitsmouth.Aroundthebottomwereeightfrogsdirectlyunderadragonshead.Whenanearthquakeoccurred,aballfelloutofthedragonsmouth,makinganoise.,10.Whoputforwardatheoryaboutblackholes?,StephenHawking,StephenHawking,British(1942-)Hehasworkedinastronomyandstudiedblackholesinspace.Hehasshownthatblackholesdonotonlyabsorbeverythingaroundthembut,fromtimetotime,throwoutmatteraswell.T