U3P1Warmingup.ppt

Inventorsandinventions,Unit3,Objective,Tolearnthedifferencebetweenadiscoveryandaninvention.,DoyouknowwhatarethefourinventionsinancientChina?,Whataretheyfamousfor?,Newton,gravity,discovered,BenjaminFranklin,Alightningflashiselectricity.,discovered,Stephenson,thetrain,invented,radium,MadameCurie,discovered,ZhangHeng,theseismograph地动仪,invented,Howmuchdoyouknowabouttheinventorsandtheinventions?Letshaveaquiz.,1._isntThomasEdisonsinvention.,Thelong-lasting,practicalelectriclightbulb,B.Thephonograph(留声机),C.Thepractical,publiclydemonstratedtelevisionsystem,2._iscalled“FatherofCar”.A.RudolfDieselB.KarlBenzC.ThomasEdison,3._iscalled“FatherofDynamite(炸药)”.A.AlfredNobelB.AlbertEinsteinC.AlexanderBell,4.Marconi(马可尼)inventedthe_intheworld.A.TVB.longdistanceradiotransmissionC.typewriter,5._inventedthefirstairplane.A.WrightBrothersB.HenryFordC.BenjaminFranklin,Lookatthepictures.Whatinventionscanyouthinkof?,CreativeEducationHard-workingPracticalskillsDeterminationPatience,Howtobeagoodinventor?,Whatqualitiesdothesesuccessfulpeoplehave?,Howeverharditis,theynevergiveup.,Readapoembelow.,Discussion,NEVERGIVEUPIknowyouregoingtomakeit.Itmaytaketimeandhardwork.Youmaybecomefrustrated,Andattimesyoullfeellikegivingup.SometimesyoumayevenwonderIfitsreallyworthit.ButIhaveconfidenceinyou,AndIknowyoullmakeit,ifyoutry.,Discussinpairswhichpicturesbelowshowinventionsandwhichshowdiscoveries.,Anamphibiouscar,Stephensons“Rocket”,DNA,Anamphibiouscar(2003),Thisisthefirstcarthatcantravelsafelyonwaterandonland.Whenmovingonwater,thewheelsofthecarturnsidewaysandmoveintothebody.Theunderneathofthecarisstrongenoughtosailasaboat.Itisaprototypeandisnotyetbeingproducedforsale.Thisisaninterestingmoderninvention.,Stephensons“Rocket”(1781-1848),GeorgeStephensonwasoneofthefirstmentodesignenginesfortherailwayswhichwerenewatthattime.OneofthefirsttrackstobelaidwasbetweenStocktonandDarlington.Stephensonwasoneofthefirstrailwayengineersandin1825hedrovethefirsttrainalongtheline.In1829camehistriumph.,ThestructureofDNA,ThiswasadiscoveryofFrancisCrickandJamesWatsonandpublishedin1953.ThesetwoscientistswerethefirsttoshowthatourgenesconsistoftwospiralsofDNA(calledthedouble-helix).Thisworkleddirectlytothehumangenomeprojectin2003,whichdiscoveredthestructureofDNA.,aninvention,adiscovery,universalgravitation,theelectricbulb,Compare:aninventionoradiscovery,Aninventionis_.,Adiscoveryis_.,alreadyexistinginnaturebutnotyetknown,findingoutsomething,notexistingbefore,creatingsomething,Whatstheconnectionbetweendiscoveryandinvention?,Discoveriesoftenleadtoinventions.,Workouttworules:,1Electricity,1Systemsofdeliveringelectricallightandheatingtohomesandoffices2Householdmachinesforwashing,ironing,keepingfoodcold,etc3Computers,telephones,television,etc,Herearesomeexamples.,2Themovementofair,1Airplanejetengines2Airballoons,etc,Machinestohelppeoplewithseriousdisease(likekidneyfailure),3Thecirculationoftheblood,4X-rays,1Bodyscannerstoseewhetheryouareill2Machinestotreatillnesses(likecancer),Inpairsdiscussanymoderninventionsthatyouknow.Describethemtoyourpartnerandexplainhowtheychangedpeopleslives.,Whataretheimportantinventionsofthe20thcentury?Whichdoyouthinkisthemostimportantone?,Whataretheinventionsinthefuture?,1.ElectricshoesTheheeloftheseshoesisamachinethatmakeselectricitywitheverystepyoutake.Youwillneverneedtobuybatteriesagain.,Electricshoes,Readthefollowingdescriptions.,2.InflatablebicycleYouwillneverhavetoworryabouthavingyourbikestolenagain.Ifyouuseourinflatablebike,youcansimplylettheairoutandputyourbikeinabag.,Inflatablebicycle,3.EdiblechopsticksNeverthrowawayorwashchopsticksagain.Thesechopsticksarebothdeliciousandenvironmentallyfriendly.Savetreesandhaveasnackatthesametimetheycomeinfivedifferentflavours.,Ediblechopsticks,4.Nose-topcomputerAreyoutiredofcarryingaroundaheavylaptopcomputer?Heresthesolution:thenewnose-topcomputerfitscomfortablyonyournoseandweighslessthanapairofglasses.Usethekeyboardvestwhenyouwanttotypesomething.,Nose-topcomputer,Doyouknowthestageseveryinventormustgothroughbeforetheycanhavetheirinventionapproved?Inventingisascientificactivityandsofollowssimilarstagestothoseusedinscientificresearch.,Applyingforapatent2.Findingaproblem3.Doingresearch4.Testingthesolution5.Thinkingofacreativesolu