新人教必修五Unit1GreatScientistsReading课件.ppt

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1、Unit1GreatScientistsReadingScientists:AlexanderBellelectricityThomasEdisontheFirsttelephoneWrightBrotherstheelectricLampMadameCurieblackholesinUniverseFranklinTheoryofGravityStevenHawkingtheFirstPlaneElbertEinsteinRadiumIsaacNewtontheTheoryofRelativityScienti

2、sts&Contributions:Archimedes(阿基米德)Warmingup:1.Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?AncientGreek(287-212BC)AmathematicianCharlesDarwin2.Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?theOri

3、ginofSpeciesWarmingup:“fatherofmodernbiology”3.Whoinventedthefirststeamengine?ThomasNewcomen,British(1663--1729)HeimprovedthefirststeampumpbuiltbyThomasSaveryin1698andturneditintoasteamenginefortakingwateroutofminesin1712.JamesWattimproveditstillfurtherinthe1

4、770sThomasNewcomenWarmingup:GregorMendel,Czech(1822-1884)Hegrewpeaplantsanddevelopedideasonheredity(遗传学)andinherited(继承,承传)characteristics.Between1856--1863hegrew28,000peaplants.GregorMendel4.Whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstoth

5、eirchildren?Warmingup:MarieCurieWarmingup:5.Whodiscoveredradium?6.WhoinventedthewayofgivingelectricitytoeverybodyIlargecities?ThomasEdisonLeonardodaVinci7.Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?Warmingup:SirHumphryDavy,British(1778-

6、1829)Hedidresearchintodifferentgasesanddiscoveredthemedicinalvalueofnitrous(含氮的)oxide(氧化物)(orlaughinggas)asananaesthetic(麻醉剂).In1815hedevelopedasafetylampforminers.HumphryDavy8.Whoinventedalamptokeepminerssafeunderground?Warmingup:ZhangHeng,Chinese(78-139)Hei

7、nventedthefirstseismograph(测震仪、地震仪)toindicateinthedirectionofanearthquake.Itwasintheshapeofacylinder(圆筒形)witheightdragonheadsroundthetop,eachwithaballinitsmouth.9.Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?Warmingup:seismographStephe

8、nHawking,British(1942--)Hehasworkedinastronomyandstudiedblackholesinspace.Hehasshownthatblackholesdonotonlyabsorbeverythingaroundthembut,fromtimetotime,throwoutmatteraswell.10.Whoputforwa