byDaphneGreavesbyDaphneGreavesillustratedbyDamianWardillustratedbyDamianWardCover,p.6,p.7,©ScottCamazine/PhotoResearchers,Inc.;p.8,©DonaldSpecker/AnimalsAnimals;p.9,©DiamarPortfolios;p.10,©Corel;p.11,©W.TreatDavidson/PhotoResearchers,Inc.;p.12,©RobertC.Hermes/PhotoResearchers,Inc.Copyright©byHarcourt,Inc.Allrightsreserved.Nopartofthispublicationmaybereproducedortransmittedinanyformorbyanymeans,electronicormechanical,includingphotocopy,recording,oranyinformationstorageandretrievalsystem,withoutpermissioninwritingfromthepublisher.RequestsforpermissiontomakecopiesofanypartoftheworkshouldbeaddressedtoSchoolPermissionsandCopyrights,Harcourt,Inc.,6277SeaHarborDrive,Orlando,Florida32887-6777.Fax:407-345-2418.HARCOURTandtheHarcourtLogoaretrademarksofHarcourt,Inc.,registeredintheUnitedStatesofAmericaand/orotherjurisdictions.PrintedinChinaISBN10:0-15-351515-5ISBN13:978-0-15-351515-6OrderingOptionsISBN10:0-15-351213-X(Grade3AdvancedCollection)ISBN13:978-0-15-351213-1(Grade3AdvancedCollection)ISBN10:0-15-358105-0(packageof5)ISBN13:978-0-15-358105-2(packageof5)Ifyouhavereceivedthesematerialsasexaminationcopiesfreeofcharge,HarcourtSchoolPublishersretainstitletothematerialsandtheymaynotberesold.Resaleofexaminationcopiesisstrictlyprohibitedandisillegal.Possessionofthispublicationinprintformatdoesnotentitleuserstoconvertthispublication,oranyportionofit,intoelectronicformat.1234567891098512111009080706byDaphneGreavesillustratedbyDamianWardCharactersNarrator1KikoCalDr.MarxNarrator2Dr.SilvaAshleyMikeSetting:InsideamachinethatlookslikeahoneybeeNarrator1:Intheyear3500,scientistshavemademanydiscoveriesthroughtheuseofmicro-machines.Thewordmicromeans“small.”Narrator2:Micro-machinesareverysmall.Somearesmallerthanthetiniestcellsinthehumanbody.Narrator1:What’strulyincredibleisthatscientistshavefoundawaytoshrinkhumanstomicro-sizeaswell.Narrator2:Nowmicro-scientistsinsidemicro-machinesareexploringthemysteriesofnature.3Narrator1:TheBuzz12isamicro-machinethatlookslikeahoneybee.Scienti...
