外研版必修一Module 5《A Lesson in a Lab》ppt课件.ppt

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1、Doyouknowthem?AlbertEinsteinStephenhawkingMadamCurieAlfredNobelThomasEdisonLiZhengdaoCharlesDarwinNewtonMatchthefollowingwords.1.physics2.chemistry3.biologyAlfredNobelDarwinLiZhengdaoThomasEdisonAlbertEinsteinNewtonMadamCurieListenandchoose.P411.(a)Waterexistsasasolid,aliquidand

2、agas.(b)Waterexistsasasolidandaliquidonly.2.(a)Whenyouheatametal,itexpands.(b)Whenyouheatametal,itcontracts.3.(a)Steelisamixtureofironandothersubstances.(b)Steelisamixtureofironandoxygen.4.(a)Two-thirdsoftheearth’ssurfaceiswater.(b)50%oftheearth’ssurfaceiswater.5.(a)Thedistanceo

3、fthesunfromtheearthis25.500kms.(b)Thedistanceofthesunfromtheearthis150,500,500kms.6.(a)Theearthis4.6millionyearsold.(b)Theearthis4.6billionyearsold.7.(a)Theearthistwiceaslargeasthemoon.(b)Theearthisforty-ninetimeslargerthanthemoon.Putthewordsinpairsorgroups.contractairearthgasli

4、quidoxygenmoonsolidexpandsun1234air–gas-oxygencontract-expandearth–sun-moongas–liquid-solidoppositeheavenlybodyPutwordsintherightplace.electricityironmetalsteelairglassnaturalman-madebothelectricityironairsomemetalssteelglasssomemetalselectricitysomemetalsVocabularypotassium（钾）L

5、et’sgettoknowsomemetals?ksodium(钠)calcium(钙)magnesium(镁)NaCaMgaluminum（铝）zinc（锌）iron（铁）copper（铜）ZnCuAlFeLookatthepictures.Doyouknowthenamesoftheequipment？tongscrucibletesttubebalanceBunsenburner1.Youusea________________toheatthingswhenyoudoanexperiment.2.Youputthingsintoaglass__

6、_______tomixthem,ortoheatthem,ortokeepthem.3.Youusea_________toweighthethingsyouuseinanexperiment.4.A________isaceramic[si‘ræmik]（陶瓷的）bowlwhichyouusetoheatthingstoaveryhightemperature.5.Youuse________topickupthingswhicharetoohotordangeroustopickupwithyourhands.Bunsenburnertesttu

7、bebalancecrucibletongsWhendoyouusethem?Usetheequipmenttofilltheblanks.Scienceplaysanimportantroleinourdailylife.Soweshouldlovescience.Andweshouldownthescientificattitudetowardsourworkandstudy.科学在我们的日常生活中非常重要，我们应该热爱科学，并且我们应该拥有一种科学的对待我们学习和生活的态度。英语中基数词、序数词、分数、小数和百分数的读法Howtosaytheca

8、rdinalnumbers,theordinalnumbers,fraction,decima