高中英语 Unit1 Great Scientists warming up and reading let science change our world课件 新人教版必修5.ppt

letsciencechangeourworld scientists alexanderbellelectricitythomasedisonthefirsttelephonewrightbrotherstheelectriclampmadamecurieblackholesinuniversefranklintheoryofgravitystevenhawkingthefirstplaneelberteinsteinradiumisaacnewtonthetheoryofrelativity scientists contributions doyouknow 1 whodiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat archimedes ancientgreek 287 212bc amathematician charlesdarwin 2 whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged theoriginofspecies fatherofmodernbiology doyouknow 3 whoinventedthefirststeamengine thomasnewcomen british 1663 1729 heimprovedthefirststeampumpbuiltbythomassaveryin1698andturneditintoasteamenginefortakingwateroutofminesin1712 jameswattimproveditstillfurtherinthe1770s doyouknow gregormendel czech 1822 1884 hegrewpeaplantsanddevelopedideasonheredity 遗传学 andinherited 继承 承传 characteristics between1856 1863hegrew28 000peaplants 4 whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren doyouknow 5 whodiscoveredradium 6 whoinventedthewayofgivingelectricitytoeverybodyinlargecities 7 whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople mariescurie thomasedison leonardodavinci doyouknow sirhumphrydavy british 1778 1829 hedidresearchintodifferentgasesanddiscoveredthemedicinalvalueofnitrous 含氮的 oxide 氧化物 orlaughinggas asananaesthetic 麻醉剂 in1815hedevelopedasafetylampforminers 8 whoinventedalamptokeepminerssafeunderground doyouknow zhangheng chinese 78 139 heinventedthefirstseismograph 测震仪 地震仪 toindicateinthedirectionofanearthquake itwasintheshapeofacylinder 圆筒形 witheightdragonheadsroundthetop eachwithaballinitsmouth 9 whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened seismograph doyouknow 10 whoputforwardatheoryaboutblackholes stephenhawking doyouknow doyouknowjohnsnow afamousdoctorinlondon whathappenedtothem itinfectspeople sintestines 肠道 causingdiarrhoea 腹泻 vomiting 呕吐 anddehydration 脱水 manydeathsinafricancountriesin2005andevennow 5oodeathsin10daysin1854inlondon let sgettoknowhowdr johnsnowdefeated kingcholera in1854inlondoninthisreadingpassage johnsnowdefeats kingcholera drawaconclusion 得出结论 thinkofamethod 找出研究方法 collectresults 收集材料 makeupaquestion 形成研究主题 findaproblem 发现问题 analyseresults 分析材料 findsupportingevidence 找出支持观点的证据 johnsnowdefeats kingcholera stepsofascientificresearch drawaconclusion findaproblem makeupaquestion thinkofamethod collectresults analysetheresults findsupportingevidence matchthem para1 para2 para3 para4 para5 para6 para7 drawaconclusion findaproblem makeupaquestion thinkofamethod collectresults analysetheresults findsupportingevidence para1 para2 para3 para4 para5 para6 para7 whatistheproblem cholerawasthemost diseaseofitsday neitherits norits wasunderstood somanyterrifiedpeoplediedeverytimetherewasanoutbreak whatcausedcholera step1 findaproblem deadly cause cure howtosolvetheproblem howtocontrolcholera whatisthequestion whichtheoryiscorrect step2 makeaquestion theory1 theory2 choleramultipliedintheair floatedaround peopleabsorbedthediseaseintotheirbodywiththeirmeals whatisthebestmethod collectdate gatherinformation step3 thinkofamethod when where deaths 1854 500p 10d twoparticularstreets anoutbreakhitlondon step4 collectresults broadstreet manydeathshappenedhere nodeathhappenedhere thewaterfromthepumpwastoblame whathappenedtothepumpwater cholerawasspreadby notinacloudof step5 analysetheresults lookintothe ofthewaterforthesetwostreets source watermeasures thehandleresult thedisease source polluted remove germs gas sloweddown whatextraevidencedidhefind step6 findsupportingevidence twootherdeaths awomanandherdaughterwholivedfarawaybutdrankthewateralsodiedofcholera drawaconclusionwithcertainty thepollutedwatercarriedthedisease whatishissuggestion step7 drawaconclusion hesuggestedthatthesourceofallthewatersuppliesshouldbe heinstructedthewatercompaniesnotto peopletopollutedwater examined kingcholera wasdefeated expose comprehendingex 1p3 keys 21473856 whatshouldwepayattentiontoinourdai