byAnneFranklinbyAnneFranklinCover,©JimSugar/ScienceFaction/GettyImages;p.3,©PhotoDiscRed/PunchStock;p.5,p.6,p.12,©Bigbamboostock.com;p.7,(l)©Bigbamboostock.com,(r)©DouglasPeebles/CORBIS;p.8,(tl)©MichaelOrd/PhotoResearchers,Inc.,(r)©DouglasPeeblesPhotography/Alamy;p.9,©DouglasPeeblesPhotography/Alamy;p.10,©RogerRessmeyer/Photographer’sChoice/GettyImages;p.11,©RobertReiff/Taxi/GettyImages;p.13,©AndreJenny/Alamy;p.14,©DonnaandSteveO’Meara/SuperStock.Cartography,p.4,JoeLeMonnierCopyright©byHarcourt,Inc.Allrightsreserved.Nopartofthispublicationmaybereproducedortransmittedinanyformorbyanymeans,electronicormechanical,includingphotocopy,recording,oranyinformationstorageandretrievalsystem,withoutpermissioninwritingfromthepublisher.RequestsforpermissiontomakecopiesofanypartoftheworkshouldbeaddressedtoSchoolPermissionsandCopyrights,Harcourt,Inc.,6277SeaHarborDrive,Orlando,Florida32887-6777.Fax:407-345-2418.HARCOURTandtheHarcourtLogoaretrademarksofHarcourt,Inc.,registeredintheUnitedStatesofAmericaand/orotherjurisdictions.PrintedintheUnitedStatesofAmericaISBN10:0-15-350534-6ISBN13:978-0-15-350534-8OrderingOptionsISBN10:0-15-350334-3(Grade4Below-LevelCollection)ISBN13:978-0-15-350334-4(Grade4Below-LevelCollection)ISBN10:0-15-357529-8(packageof5)ISBN13:978-0-15-357529-7(packageof5)Ifyouhavereceivedthesematerialsasexaminationcopiesfreeofcharge,HarcourtSchoolPublishersretainstitletothematerialsandtheymaynotberesold.Resaleofexaminationcopiesisstrictlyprohibitedandisillegal.Possessionofthispublicationinprintformatdoesnotentitleuserstoconvertthispublication,oranyportionofit,intoelectronicformat.1234567891017912111009080706FromadistantplaceontheislandofHawaii,avisitorseesredsparksinthesky.Thesparksshootupfromthetopofamountain.ThismountainisavolcanocalledKilauea[k¯e’lou¯a’∂].Longago,therewerenoislandsinthePacificOceanwhereHawaiiistoday.IttookmillionsofyearsforvolcanoestoformtheislandsofHawaii.Avolcanoisalargemountainthatisformedfromhot,meltedrockcalledlava.Themelte...
