ExpositoryTextPAIREDREADSuper-visionbyRachelHaywardbyRachelHaywardSecretsoftheIceSTRATEGIES&SKILLSAPhotographyCredit:ARCTICIMAGES/Alamy**Thetotalwordcountisbasedonwordsintherunningtextandheadingsonly.Numeralsandwordsincaptions,labels,diagrams,charts,andsidebarsarenotincluded.ComprehensionStrategy:SummarizeSkill:SequenceVocabularyStrategyAntonymsVocabularyclings,dissolve,gritty,humid,magnify,microscope,mingle,typicalContentStandardsSciencePhysicalScienceWordCount:1,702**Copyright©TheMcGraw-HillCompanies,Inc.Allrightsreserved.Nopartofthispublicationmaybereproducedordistributedinanyformorbyanymeans,orstoredinadatabaseorretrievalsystem,withoutthepriorwrittenconsentofTheMcGraw-HillCompanies,Inc.,including,butnotlimitedto,networkstorageortransmission,orbroadcastfordistancelearning.Sendallinquiriesto:McGraw-HillEducationTwoPennPlazaNewYork,NewYork10121ISBN:978-0-02-118918-2MHID:0-02-118918-8PrintedintheUnitedStates.123456789QLM151413121110PAIREDREADChapter1ThePropertiesofWater......................2Chapter2SnowandIce................................6Chapter3LookingCloselyatIce......................10RespondtoReading........................15Super-vision.......................16Glossary/Index..............................19FocusonScience..................20EssentialQuestionWhatcanyoudiscoverwhenyoulookcloselyatsomething?byRachelHaywardSecretsoftheIceKennethG.Libbrecht2Waterisuniquebecauseit’stheonlysubstancethatnaturallyoccursonEarthasaliquid,asolid,andagas.CHAPTER1ThePropertiesofWaterWhatistransparent,wet,andflowsoutofafaucet?Whatiscold,hard,andfloatsinaglass?Whatisinvisibleandsuspendedintheair?Theansweriswater.Waterhasthreedifferentstates.Itcanbealiquid(water),asolid(ice),oragas(watervapororsteam).Waterisfoundinriversandoceans.Iceisfoundhighinthemountainsandinthepolarregions.Watervaporisallaroundusintheair.(bl)BrandXPictures/Punchstock(br)81a/AgeFotostock3Waterhasotherspecialqualities.Waterisasolvent.Whenitisaliquid,substancessuchassalt,sugar,oxygen,andcarbondioxidedi...
