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1、Module5AlessoninalabIntroduction英科学家研制苍蝇机器人Introduction-1.Brainstorming(2m)Howmuchdoyouknowaboutgeneralscience?EinsteinIntroduction–2.Freetalk(3m)Whatdoyouknowaboutthethingsshownbelow?Introduction-3.Quiztime.(4m)ChoosethecorrectanswerstothequizinPart1.Thenlistenandcheckyo
2、uranswers.Waterexistsasasolid,aliquidandagas.Whenyouheatametal,itexpands.Steelisamixtureofironandothersubstances.Two-thirdsoftheearth’ssurfaceiswater.Thedistanceofthesunfromtheearthis150,500,500kilometres.Theearthis4.6billionyearsold.Theearthisforty-ninetimeslargerthanthe
3、moon.Answers:Introduction–4.Classification(2m)Putthewordsinpairsorgroups.contractairearthgasliquidoxygenmoonsolidexpandsun1234air–gas-oxygencontract-expandearth–sun-moongas–liquid-solidIntroduction–5.Classification(2m)Putwordsintherightplace.electricityironmetalsteelairgl
4、assnaturalman-madebothelectricityironairsomemetalssteelglasssomemetalselectricitysomemetals(alloyforexample)Lookatthepicturescollectedbyourclassmates.Doyouknowthenameoftheseequipment？testtubetongsbalancecruciblebeaker&glassrodBunsenburnerSinceyouareinterestedindoingscient
5、ificexperiments,nowlet’sgettoknowsomevocabularyandknowledgerelatedtoscienceandexperiment.Potassium（钾）Whatcanitbeusedfor?Howaboutthefollowingmetals?Sodium(钠)Calcium(钙)Magnesium(镁)Let’sgettoknowmore!Let’sgoongettingtoknowmoremetalsAluninium（铝）Zinc（锌）Iron（铁）Copper（铜）1.基数词的读法
6、：A.先说“几十”，再说“几”，中间用连字符。如：23—89—B.先说“几百”，再加and,再加末两位数（或末位数）。如：223—416—809—twenty-threeeighty-ninetwohundredandtwenty-threefourhundredandsixteeneighthundredandnineC.1000以上的数先从后向前数，每三位数加一“,”（千分位）；第一个“,”号前为thousand;第二个“,”号前为million;第三个“,”号前为billion。如：1,001—4,000—9,743—174,301
7、—750,000,000—onethousandandonefourthousandninethousand,sevenhundredandforty-threea(one)hundredandseventy-fourthousand,threehundredandonesevenhundredandfiftymillionCanyousaythefollowinginEnglishcorrectly?1,0002,00012,000112,000796,000onethousandtwothousandtwelvethousandone
8、hundred,twelvethousandsevenhundred,ninetysixthousand879,457eighthundred,seventy-ninethousand,fou
