外研版高中英语必修1 Module 5《a lesson in a lab》ppt课件.ppt

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1、Module5ALessoninaLab★Toknowsomemetalsandtheirreactionswithsomesubstances★Tolearnhowtodoanexperiment★Tobeabletoretellthemainpointsinthetext★TobuilduptheloveforscienceGoals2021/7/27potassiumsodiumcalciummagnesiumaluminiumzincironcopper2021/7/271.TheDifferen

2、tUsesofMetals2.TheReactionofMetals3.TheReactionofMetalswithOxygenChoosethebesttitleforPassageA.Scanning2021/7/27ReadPassageAagainandanswerthequestionsWhichmetalsreactthemostwithoxygenandwater?Whathappenswhenyouheatcalciuminoxygen?Whichmetalsreactwithsteam

3、?4.Doesironhaveasloworfastreactionwithsteam?5.Doescopperreactwithwater?Potassium,sodiumandcalsium.Itburnstoformanoxide.Magnesium,aluminium,andzinc.Slow.No,itdoesn’t.2021/7/27DoyouthinkitisscientifictomakeGoujianSwordbyusingcopperAfterlearningPassageA?What

4、canwelearnfromPassageA?Itisveryimportanttoknow_____________________________.Itisveryusefulinourdailylife.Harvestmetalscanreactwithdifferentsubstanceshow?aimresultconclusionmethodapparatusHowmanystagesarethereinascientificexperimentreportFastreadingPassage

5、BIronindryairIroninair-freewaterIroninordinarywaterUseofcottonwool______________Useofoil________________________Whyitrusts______________→cottonwool②nails→___→→→→→______________ordinarywaterrustynailsoilwaterKeepthenailsdryKeepairoutofthewaterAirinthewater

6、①④③⑤⑥⑧⑦nails2021/7/27ConclusionIronrustsin____________.Irondoesn’trustin_____and___________ordinarywaterdryairair-freewater.2021/7/27①②①②③④⑤⑥half-fill…with..boil…put…in…add…to…leave…result2021/7/27Observethefollowingexperimentcarefullyandthenwritedownanex

7、perimentreportAimApparatusMethodResultConclusiontofindoutifpotassiumreactswithcoldwater.acontainer,coldwater,potassium,filterpaper（滤纸),apairoftweezers(镊子）(1)Half-fillthecontainerwithcoldwater.(2)Takeapieceofpotassiumoutoftheoil.(3)Drythepotasiumwiththepap

8、er.(4)Putthepotassiumintothewater.Thepotassiumburns.Potassiumreactswithcoldwater.AnExperimenntReportSumupHowcanyoudoascientificexperimentsuccessfully?First,weneedtohavean_____andprepare_________fortheexperimentbefor