电脑桌面
添加小米粒文库到电脑桌面
安装后可以在桌面快捷访问

U3P1WarmingupVIP免费

U3P1Warmingup_第1页
1/41
U3P1Warmingup_第2页
2/41
U3P1Warmingup_第3页
3/41
InventorsandinventionsUnit3ObjectiveTolearnthedifferencebetweenadiscoveryandaninvention.DoyouknowwhatarethefourinventionsinancientChina?Whataretheyfamousfor?NewtongravitydiscoveredBenjaminFranklinAlightningflashiselectricity.discoveredStephensonthetraininventedradiumMadameCuriediscoveredZhangHengtheseismograph地动仪inventedHowmuchdoyouknowabouttheinventorsandtheinventions?Let’shaveaquiz.1.____isn’tThomasEdison’sinvention.A.Thelong-lasting,practicalelectriclightbulbB.Thephonograph(留声机)C.Thepractical,publiclydemonstratedtelevisionsystem2._____iscalled“FatherofCar”.A.RudolfDieselB.KarlBenzC.ThomasEdison3.______iscalled“FatherofDynamite(炸药)”.A.AlfredNobelB.AlbertEinsteinC.AlexanderBell4.Marconi(马可尼)inventedthe_____intheworld.A.TVB.longdistanceradiotransmissionC.typewriter5.____inventedthefirstairplane.A.WrightBrothersB.HenryFordC.BenjaminFranklinLookatthepictures.Whatinventionscanyouthinkof?CreativeEducationHard-workingPracticalskillsDeterminationPatience…Howtobeagoodinventor?Whatqualitiesdothesesuccessfulpeoplehave?Howeverharditis,theynevergiveup.DiscussionNEVERGIVEUPIknowyou’regoingtomakeit.Itmaytaketimeandhardwork.Youmaybecomefrustrated,Andattimesyou’llfeellikegivingup.SometimesyoumayevenwonderIfit’sreallyworthit.ButIhaveconfidenceinyou,AndIknowyou’llmakeit,ifyoutry.Discussinpairswhichpicturesbelowshowinventionsandwhichshowdiscoveries.AnamphibiouscarStephenson’s“Rocket”DNAAnamphibiouscar(2003)Thisisthefirstcarthatcantravelsafelyonwaterandonland.Whenmovingonwater,thewheelsofthecarturnsidewaysandmoveintothebody.Theunderneathofthecarisstrongenoughtosailasaboat.Itisaprototypeandisnotyetbeingproducedforsale.Thisisaninterestingmoderninvention.Stephenson’s“Rocket”(1781-1848)GeorgeStephensonwasoneofthefirstmentodesignenginesfortherailwayswhichwerenewatthattime.OneofthefirsttrackstobelaidwasbetweenStocktonandDarlington.Stephensonwasoneofthefirstrailwayengineersandin1825hedrovethefirsttrainalongtheline.In1829camehistriumph.ThestructureofDNAThiswasadiscoveryofFrancisCrickandJamesWatsonandpublishedin1953.ThesetwoscientistswerethefirsttoshowthatourgenesconsistoftwospiralsofDNA(calledthedouble-helix).Thisworkleddirectlytothehumangenomeprojectin2003,whichdiscoveredthestructureofDNA.aninventionadiscoveryuniversalgravitationtheelectricbulbCompare:aninventionoradiscoveryAninventionis____________________________________.Adiscoveryis___________________________________________________________.alreadyexistinginnaturebutnotyetknownfindingoutsomethingnotexistingbeforecreatingsomethingWhat’stheconnectionbetweendiscoveryandinvention?Discoveriesoftenleadtoinventions.Workouttworules:DiscoveriesInventions1Electricity1Systemsofdeliveringelectricallightandheatingtohomesandoffices2Householdmachinesforwashing,ironing,keepingfoodcold,etc3Computers,telephones,television,etcHerearesomeexamples.DiscoveriesInventions2Themovementofair1Airplanejetengines2Airballoons,etcMachinestohelppeoplewithseriousdisease(likekidneyfailure)3Thecirculationoftheblood4X-rays1Bodyscannerstoseewhetheryouareill2Machinestotreatillnesses(likecancer)Inpairsdiscussanymoderninventionsthatyouknow.Describethemtoyourpartnerandexplainhowtheychangedpeople'slives.Inpairsdiscussanymoderninventionsthatyouknow.Describethemtoyourpartnerandexplainhowtheychangedpeople'slives.Whataretheimportantinventionsofthe20thcentury?...

1、当您付费下载文档后,您只拥有了使用权限,并不意味着购买了版权,文档只能用于自身使用,不得用于其他商业用途(如 [转卖]进行直接盈利或[编辑后售卖]进行间接盈利)。
2、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。
3、如文档内容存在违规,或者侵犯商业秘密、侵犯著作权等,请点击“违规举报”。

碎片内容

您可能关注的文档

确认删除?
VIP
微信客服
  • 扫码咨询
会员Q群
  • 会员专属群点击这里加入QQ群
客服邮箱
回到顶部