Module5ALessoninaLabASimpleScientificExperiment★Toknowsomemetalsandtheirreactionswithsomesubstances★Tolearnhowtodoanexperiment★Tobeabletoretellthemainpointsinthetext★Tobuilduptheloveforscience1.TheDifferentUsesofMetals2.TheReactionofMetals3.TheReactionofMetalswithOxygenChoosethebesttitleforPassageA.ReadPassageAagainandanswerthequestions1.Whichmetalsreactthemostwithoxygenandwater?2.Whathappenswhenyouheatcalciuminoxygen?3.Whichmetalsreactwithsteam?4.Doesironhaveasloworfastreactionwithsteam?5.Doescopperreactwithwater?Potassium,sodiumandPotassium,sodiumandcalsium.calsium.Itburnstoformanoxide.Itburnstoformanoxide.Magnesium,aluminium,andzinc.Magnesium,aluminium,andzinc.Slow.Slow.No,itdoesn’t.No,itdoesn’t.DoyouthinkitisscientifictomakeGoujianSwordbyusingcopperAfterlearningPassageAWhatcanwelearnfromPassageA?Itisveryimportanttoknow_____________________________.Itisveryusefulinourdailylife.metalscanreactwithdifferentsubstanceshowHowmanystagesarethereinascientificexperimentreportPassageBIronindryairIroninair-freewaterIroninordinarywaterUseofcottonwool______________Useofoil________________________Whyitrusts______________→cottonwool②nails→___→→→→→______________ordinarywaterrustynailsoilwaterKeepthenailsdryKeepairoutofthewaterAirinthewater①④③⑤⑥⑧⑦nailsConclusionIronrustsin____________.Irondoesn’trustin_____and___________ordinarywaterdryairair-freewater.①②①②③④⑤⑥half-fill…with..boil…put…in…add…to…leave…resultObservethefollowingexperimentcarefullyandthenwritedownanexperimentreportAimApparatusMethodResultConclusiontofindoutifpotassiumreactswithcoldtofindoutifpotassiumreactswithcoldwater.water.acontainer,coldwater,potassium,acontainer,coldwater,potassium,filterpaperfilterpaper（滤纸（滤纸),apairoftweezers(),apairoftweezers(镊子）镊子）((1)Half-fillthecontainerwithcoldwater.1)Half-fillthecontainerwithcoldwater.(2)Takeapieceofpotassiumoutoftheoil.(2)Takeapieceofpotassiumoutoftheoil.(3)Drythepotasiumwiththepaper.(3)Drythepotasiumwiththepaper.(4)Putthepotassiumintothewater.(4)Putthepotassiumintothewater.Thepotassiumburns.Thepotassiumburns.Potassiumreactswithcoldwater.Potassiumreactswithcoldwater.AnExperimenntReportSumup•Howcanyoudoascientificexperimentsuccessfully?First,weneedtohavean_____andprepare_________fortheexperimentbeforewedotheexperiment.Second,wemustusecorrect________todotheexperimentandwatchcarefully.Thenwecangetthe____anddrawa________.aimapparatusmethodsresultconclusion•DesignasimpleexperimentaboutmetalingroupsoffiveHomework
