unit16scientistsatwork课件
日期：2010-06-15 06:39
forexampleaboutNewtonandthereasonwhyallthethingsonearthfalldownWhatdoyoulearninphysics?Inbiologywelearnaboutlifeonearth，forexamplebylookingatthestructureofcellsWhatcanyoulearninBiology?MatchthecelebritieswiththeirfieldAlbertEinsteinStevenHawkingThomasEdisonMadameCruieDarwinLiZhengdaoNewtonchemistryPhysicsbiologyWhatshouldyoupayattentiontowhenyouenterthelab?ListentowhatMrsZhuistalkingtohisstudentsforthefirsttime，Unit16ScientistsatWorkWhatarethesubjectsinwhichyoulearnscience?physicschemistrybiologyInchemistrywelearnaboutthewaydifferentliquidsandmaterialsreactwitheachotherWhatdoyoulearninChemistry?Inphysicswecanlearnaboutthelawsoftheuniverse，focusingonthesubjectsmentionedinthepassageFlamesSafetyinthelabExperimentsLonghairGasesAnswerthefollowingquestions1Whatisthemostimportantthingstudentsshouldremember?2Whatisthefirstthingstudentsshoulddowhentheycomeintothelab?3Whyshouldstudentsbecarefulsmellingfrombottles?A:SafetycomesfirstA:Followtheteacher’sins，
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