人教版高中英语选修八《unit3Inventorsandinventions》课件.pptx（纯ppt,可能不含音视频素材）

1、madeofcanruohanxing人人教教课课标标高高二二选选修修8Unit3Discussinpairswhichpicturesshowinventionsandwhichshowdiscoveries.AnamphibiouscarStephensons“Rocket”DNAWorkouttherulesthatwillhelpyoudecidewhatadiscoveryisandwhataninventionis.(1)AdiscoveryisAdiscoverymerelymakesknownsomethingthatalreadyexistinnature,suchasthe

2、discoveryontheNewContinentbyColumbia.(2)Aninventionissomethingthatcreatedbyhumanbeing,suchasthelightingrod.Whataretheimportantinventionsofthe20thcentury?Whichdoyouthinkisthemostimportantone?ThomasEdisoninventedtheelectricbulb.DidEdisoninventelectricity?Canelectricitybeinvented?Iselectricityaninventi

3、onordiscovery?Why?Giveyourexamplesofeachcategoryandfillintheblanks.Workouttheconnectionsbetweenthem.DiscoveriesInventions1.Electricity 1.Systemsofdeliveringelectricallightandheatingtohomesandoffices2.Householdmachinesforwashing,ironing,keepingfoodcold,etc3.Computers,telephones,television,etcDiscover

4、iesInventions2.Themovementofair1.Airplanejetengines2.Airballoons,etcMachinestohelppeoplewithseriousdisease(likekidneyfailure)3.ThecirculationofthebloodDiscoveriesInventions4.X-rays1.Bodyscannerstoseewhetheryouareill2.Machinestotreatillnesses(likecancer)Discoveriesoftenleadtoinventions.Inpairsdiscuss

5、anymoderninventionsyouknow.Describethemtoyourpartnerandexplainhowtheychangedpeopleslives.television1923colourtelevision1940photocopier1937airconditioner1902electronicdigitalcomputer1942Atomicbomb1945Creditcards1950Penicillin1928Doyouknowthestageseveryinventormustgothroughbeforetheycanhavetheirinvent

6、ionapproved?Inventingisascientificactivityandsofollowssimilarstagestothoseusedinresearch.Workoutasuitableorder.1.Applyingforapatent2.Findingaproblem3.Doingresearch4.Testingthesolution5.Thinkingofacreativesolution6.DecidingontheinventionTheproblemofthesnakesThetextismainlyabouttheauthorsexperienceinh

7、elpinghermothergetridofthe_andapplyingforthe_forherinvention.snakespatentReadthetextquicklyandcompleteitsmainidea.Dividethepassageintoseveralpartsandfindoutthemainideaforeachparagraph.Part1(para.1)thediscoveryoftheproblemofthesnakesPart2(para.2)DoingsomeresearchaboutthehabitsofsnakesPart3(para.3)Dec

8、idingonthesolutionPart4(para.4-6)theattemptstocatchthesnakesPart5(para.7-8)therequirementsofgettingapatentReadthetextcarefullyandfillintheblanks.FindingaproblemSnakescamenearmymothershousenowandthenandshewantedmetogetridofthemwithout_them.DoingresearchIsetouttoresearchthe_ofsnakestofindtheeasiestway

9、totrapthem.harminghabitsThinkingofacreativesolutionThreepossibleapproaches:removingthesnakes_attractingthesnakesintoa_usingmaleorfemaleperfumeorfood_thesnakessothattheywouldbecomesleepyandcouldbeeasilycaughtIdecidedtousethe_approach.habitattrapcoolinglast/thirdTestingthesolutionThreeattempts:putting

10、thefrozenbowloverthesnakeshabitatearlyinthemorningputtingthefrozenbowloverthesnakeshabitat_puttingthefrozenbowloverthesnakeshabitatintheeveningandcarryingasmall_tocollectthemthenextmorningThethirdattemptwasasuccess.intheeveningnetApplyingfora_Thepatentofficemakesasearchtocheckthatyourproductreallyis

11、_fromeveryoneelses.Patentexaminersexaminewhetheryourclaimis_ornot.Yourapplicationforapatentwillbepublished_monthsfromthedateyouapplyifyourclaimpassesallthetests.patentdifferentvalid181.Howdidthewritercatchthesnakes?A.usingsomethingthesnakeswereinterestedtoattractthemintoatrap.B.takingtheirhabitattoa

12、notherplace.C.placingthesnakesatalowtemperatureforthemtosleepandthencaughtthem.D.Alltheabove.CReadthetextcarefullyandchoosethebestanswer.2.Thewriterwassuccessfultocatchthesnakesin_attempt.A.thefirstB.thesecondC.thethirdD.everyC3.ThefollowingareusedinthethreeattemptsEXCEPT_.A.perfumeB.abowlC.jellyD.i

13、ce-cubesA4.Whydidcoolingthesnakesmakethemlessactive?A.Becausesnakesarewarm-bloodedanimals.B.Becausesnakeslikehightemperature.C.Becausesnakesarereptilesandtheirbodytemperaturedependsontheheataroundthem.C5.Whichofthefollowingmaygetapatentaccordingtothetext?A.Acomputerprogramme.B.Anewanimalvariety.C.Aw

14、orkofliterature.D.Atrulynovelandusefulinvention.D6.Thepurposeinwritingthistextis_.A.toshowushowtotrapthesnakesbutnottokillthemB.totellpeoplehowtoapplyforapatentofthewritersnewideaC.tointroducethewritersnewideaoftrappingthesnakesandherapplicationforapatentD.totellthereadershowtogetanewideaandmakeitap

15、atentC7.Thebiggestadvantageofthewritersnewideaisthat_.A.itmakesthesnakesmoveslowlyB.itmakesthesnakeshardlybiteusC.itiseasierforustokillthesnakeswithouthurtingourselvesD.itiseasierforustocatchthesnakeswithoutkillingthemD8.Whichstatementistrueaccordingtothetext?A.Thesnakesweresosleepyinthesecondattemp

16、tthattheycouldntbitethewriteratall.B.Yourproductmustbedifferentfromeverybodyelsesifyouwanttoreceiveapatent.C.Thewriterdecidedtosendherinventiontothepatentofficethemomentshesucceededincatchingthesnakes.D.Ifanapplicationforyourproductprovestobevalid,youcangetapatentimmediately.BThemotherwasupsetbecaus

17、eafamilyofsnakeshadmadetheirhomenearthehouse.(1)Whatwasthemotherupsetabout?Readandanswerthequestions.Thewriterwashappybecauseitgaveheranopportunitytohelphermotherandinventsomethingtocatchthesnakeswithouthurtingthematthesametime.(2)Whywasthewriterhappytohelphermother?(3)Whatarethethreecreativestepsth

18、atthewritertakestocatchthesnakeswithouthurtingthem?Step1:Sheboughtastainlessicecreammakerandfrozethebowl.Sheaddedicecubestothetopofthebowltokeepitcold.Sheplaceditoverthesnakeshabitatduringthedaysothatthesnakeswouldbecomesleepyandcouldbeeasilycaught.Step2:Asaboveshedidthesamebutplacedthebowlsoverthes

19、nakeshabitatintheevening.Step3:Asabovebutaddedanettocatchthesnakes.(4)Whydidcoolingmakethesnakeslessactive?Snakesdonothaveawayofkeepingwarmintheirbodies.Theygetwarmthfromthesunandbecomemoreactiveatthistime.Whenthesungoesdownatnighttheycooldownandbecomelessactive.Soextracoolingtothesnakewouldmakethem

20、evenlessactiveandeasiertocatch.1.Whatsthewritingpurposeofthewriter?2.Whatshouldwelearnfromthistext?1.Whatsthewritingpurposeofthewriter?Thewriterwantstoinformusofthescientificmethodstosolvepresentproblemssothatwestudentscannotonlybroadenthehorizonsbutbecomemoreskilledindiscoveringandconsideringcarefu

21、llytheproblemsindailylife.Wearealsoencouragedbythewritertobecreativeandhardworkingaswellasthinkingindependently.2.Whatshouldwelearnfromthistext?Wecanlearnfromthetextthewayofdoingscientificresearchesandhowtoapplyforapatent.Wecanalsolearnthatittakesaninventorgreatdeterminationpersistencetoachievehisor

22、herambitioninlife.Applywhatwelearn:Inpairslookatthefollowingproblems.Chooseoneandusethescientificstagestodesignanewinventiontosolveit.Remembertoincludeonechangetoyourinventionincaseitdoesntworkthefirsttime.(Thiscanbedoneafterclass.)Problem1:theapplesgrowingonyourappletreearetoohighforyoutoreachthem.Whatcanyouinventtopickyourapplesincomfort?Problem2:Youneedtomakeahousebutyouonlyhavefishingnetsandmanyplasticbottles.Howcanyousolveit?Problem3:Youwanttocatchfishbutnothurtthemwhenyoudoso.Designafishingrodthatwillsolvethisproblem.Writeapassageabouthowtoapplyforapatent?