Module-5-A-lesson-in-a-lab-Introduction-&-Reading-

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Module5ALessoninaLabIntroduction&ReadingandVocabulary(Ⅰ)1.Learnsomenewwordsandphrasesaboutscience.2.Learnsomeknowledgeaboutscience.3.Toimprovestudents’readingskills.4.Learntowriteasciencereport.What’sthis?beaker&glassrodtongsmicroscopelabDoyouknowtheirnames?alcoholburner酒精灯beaker烧杯dissolvebalanceBunsenburnertesttube煤气喷灯(本生灯)坩埚试管天平crucibleGivethefollowingthingstheircorrectnames1.Crucible2.Beaker3.Achoholburner4.Testtube5.Tongs6.Nail7.Glassrod坩埚烧杯酒精灯试管小钳子钉子玻璃棒solid/liquid/gasWhatarethethreestatesofmatter?Putthesewordsintothreegroups:air,glass,iron,metal,oil,oxygen,salt,steamsteel,water1.Gas:2.Solid:3.Liquid:air,oxygen,steamglass,iron,metal,salt,steeloil,waterPutwordsintherightplace.naturalman-madebothelectricityironsomemetalsairsteelsomemetalsglasselectricitysomemetalsWhichoftheabovearenatural?Whichareman-made?Whichcanbeboth?electricityironmetalsteelairglassLead-in:MatchnamesofmetalstopicturesTask:Saysomethingaboutthesemetals.potassiumsodiumcalciummagnesiumaluminiumzincironcopperListentothepassageandchoosethebesttitleforit.TheDifferentUsesofMetalsTheReactionofMetalsTheReactionofMetalswithOxygenPassageAListeningReadthepassagequicklyandputthefollowingmetalsintherightorderaccordingtoPassageA.5——2——7——4——6——1——31.zinc2.sodium3.copper4.magnesium5.potassium6.aluminium7.calciumFastreadingDecidewhetherthesestatementsaretrueorfalseaccordingtoPassageA.1.Differentmetalshavedifferentuses.2.Thereactionofmetalswithdifferentsubstancesisthesame.3.Magnesiumcanformanoxidewhenheatedinoxygen.4.Ironreactswithcoldwater.5.Copperreactsmostwhenheatedinoxygen.TFFFTPleasereadPassageAverycarefullytofindouttheanswerstothefollowingquestions.⒈Whichofthemetalsinthetablereactsthemostwithoxygenandwater?_____________________________⒉Whathappenswhenyouheatcalciuminoxygen?_______________________Potassium,sodiumandcalcium.Itburnstoformanoxide.Carefulreading3.Whichmetalsreactwithsteam?______________________________⒋Doesironhaveasloworfastreactionwithsteam?____________________⒌Doescopperreactwithwater?______________Magnesium,aluminiumandzinc.Ithasaslowreaction.No,itdoesn’t.1.Forwhatpurposedoestheauthorshowthetable?(within10words)Readthepassageagainandanswerthefollowingquestions:Toshowhowdifferentmetalsreactwithdifferentsubstances.2.WhichsentenceinPassageAcanbereplacedbythefollowingone?Usingmetals,weshouldknowhowthemetalschangewhenthey’remixedwithothersubstances.Whenweusemetals,itisimportanttoknowhowtheyreactwithdifferentsubstances.3.TranslatethefollowingsentenceintoChinese.Hereisatablewiththemetalsthatreactmostatthetop,andthemetalsthatreactleastatthebottom.这里有一个表格,反应强的金属在上面,反应弱的在下面。Task:WriteanexperimentreportPassageBCanweputironnailsinwetair?rustWhatchangestakeplace?ASimpleScientificExperiment1.__________:__________________________________2.__________:__________________________________3.__________:...(1)…(2)…(3)…4.__________:…5.__________:…B.aimD.methodA.resultC.conclusionE.apparatus3cleanironnails;testtubes;testtubeholder;cottonwool;oil;BunsenburnerTofindoutifironrusts(a)…(b)…(c)…Task:PutthestagesinthecorrectordercottonwoolnailswaterwaterwaterThenailshaven’trusted.Thenailsdonotrust.Thenailsrust.Task:Listentotheaudio,andthenfillinthetable.Irondoesn’trustindryair.Irondoesn’trustinair-freewater.Ironrustsinordinarywater.ConclusionPleasereadPassageBquicklytofindouttheanswerstothequestions.Carefulreading1.Whatisthereonthesurfaceofthewaterinthetesttube?Thereisoilonthesurfaceofthewaterinthetesttube.2.Whatistheuseoftheoil?Theoilcankeepairoutofthewater.3.Whatistheuseofthecottonwoolinthetesttube?Thecottonwoolcankeepairdry.4.Whyarethenailsinthetesttubewithordinarywaterrusty?Becausenailsreactwithoxygeninthewater.AimApparatusMethodResultConclusionTofindoutif...Ironnails,testtubes,oil,testtubeholder,cottonwool,BunsenburnerAfteraweek,rust(not)rustin...(1)put...atthebottomof,push...down;leave...for(2)half-fill...with...,boil,put,add...to,keep...outof,leave...for(3)half-fill...with,add,leave...forExerciseinclass:Finishthefollowingsentences.1.Inthefirstpartoftheexperiment,the______isdry,notwet.2.Itshowsthatiron_____________whentheairisdry.airdoesnotrustPost-reading3.Inthesecondpartoftheexperiment,youmust_______thewatertomakesurethereisno______init.4.Youadd________tothewaterbecausethiskeeps______outofit.5.Itshowsthat________doesnotrustinwaterthathasno______init.someoilairnailairboilairCompletethesentencesusingwhatwehavelearnt:Inthefirstpartoftheexperiment,the___isdry.Itshowsthatiron___________indryair.Inthesecondpart,youmust______thewaterto_________thatthereisnoairinit._______someoiltothewatercan______airoutofit.Itshowsthat_____don’trustin________water.Inthethirdpart,________atubewithwater.Itshowsthattheyrustin_________water.airboilmakesuredoesn’trustAddingkeepnailsair-freehalf-fillordinaryDiscussion:1.Doyoulikedoingscientificexperiments?2.Whatshouldyoupayattentionto(注意)whenyouarecarryingoutanexperiment(做实验)inalab?你知道吗?Whatwillhappenwhenyouputanailin(1)dryair?____________.(2)air-freewater?___________.(3)ordinarywater?_____________.Describeascienceexperimentusingwhat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