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1、Module5AlessoninaLab 外研社高中英语第一册 newwords Tolearnaboutsomevocabularyandknowledgerelatedtoscienceandexperiments ToknowhowtodoasimpleexperimentandwritethereportaboutitinEnglish3 Toraiseinterestsinscienceandformtherightscientificattitude TeachingAims lab testtube balance Bunsenburner crucible 本生灯 煤气喷灯 坩
2、埚 Whentheironisheated 加热 itwillWhentheironiscooled 遇冷 itwill expand contract Howmuchdoyouknowaboutgeneralscience Howmanystatesdoesmatterexistas Useyourmind solid liquid gas oxygen metal Readthewordstogether StepIPre readingPutthesewordsinthecorrectordertodescribethestagesofascientificexperiment conc
3、lusionaimresultmethod Whenwedoanexperiment weshouldfirstofallhavean Weshoulduseproper Weshouldfindoutthe andgeta aim methods result conclusion Scanning ListentopassageAquicklyandchoosethebesttitleforit TheDifferentUsesofMetalsTheReactionofMetalsTheReactionofMetalswithOxygen PassageA CarefulReading R
4、eadpassageAcarefullyandanswer 1 Whichofthemetalsinthetablereactsthemostwithoxygenandwater 2 Whathappenswhenyouheatcalciuminoxygen 3 Whichmetalsreactwithsteam 4 Doesironhaveasloworfastreactionwithsteam 5 Doescopperreactwithwater Potassium calciumandsodium Itburnstoformanoxide Magnesium aluminiumandzi
5、nc Ithasaslowreaction No itdoesn t PassageB Someimportantwordsabouttheexperiment apparatus 仪器 设备 holder 台 架等 支持物 固定器cottonwool棉絮bunsenburner本生灯 煤气喷灯 nails nails nails nails nails nails cottonwool cottonwool Irondoesn trust Oillayer water Oillayer water Irondoesn trust water water Ironrusts Consolida
6、tion1Answerthesequestionsingroupsoffour 1 Inthefirstpartoftheexperiment whatistheuseofthecottonwoolinthetesttube 2 Inthesecondpart whatisthereonthesurfaceofthewaterinthetesttube 3 Whatistheuseoftheoil 4 Whyarethenailsinthetesttubewithordinarywaterrusty Thereisoilonthesurfaceofthewaterinthistesttube
7、Theoilcankeepairoutofwater Thecottonwoolcankeepairdry Ironreactswithoxygeninordinarywaterandformsrust Let sdoasimpleexperimenttotestifmagnesiumcanburnintheairandwriteashortreport Aim Methods Result Conclusion TofindoutifMagnesiumburnsintheair 1 useapairoftongstopickupsomemagnesium2 lightit Magnesiumisburningwithabrightflameintheair Magnesiumcanburnintheair Magnesiumcanburnintheair Homework Gointoyoursciencelabandtellyourclasstheapparatus bye bye Thankyou 知识回顾KnowledgeReview
