byRoseCullyillustratedbyJoanneAdinolfiCopyright©byHarcourt,Inc.Allrightsreserved.Nopartofthispublicationmaybereproducedortransmittedinanyformorbyanymeans,electronicormechanical,includingphotocopy,recording,oranyinformationstorageandretrievalsystem,withoutpermissioninwritingfromthepublisher.RequestsforpermissiontomakecopiesofanypartoftheworkshouldbeaddressedtoSchoolPermissionsandCopyrights,Harcourt,Inc.,6277SeaHarborDrive,Orlando,Florida32887–6777.Fax:407-345-2418.HARCOURTandtheHarcourtLogoaretrademarksofHarcourt,Inc.,registeredintheUnitedStatesofAmericaand/orotherjurisdictions.PrintedinMexicoISBN10:0-15-350289-4ISBN13:978-0-15-350289-7OrderingOptionsISBN10:0-15-349940-0(Grade5ELLCollection)ISBN13:978-0-15-349940-1(Grade5ELLCollection)ISBN10:0-15-357326-0(packageof5)ISBN13:978-0-15-357326-2(packageof5)Ifyouhavereceivedthesematerialsasexaminationcopiesfreeofcharge,HarcourtSchoolPublishersretainstitletothematerialsandtheymaynotberesold.Resaleofexaminationcopiesisstrictlyprohibitedandisillegal.Possessionofthispublicationinprintformatdoesnotentitleuserstoconvertthispublication,oranyportionofit,intoelectronicformat.1234567891012612111009080706Aninventionisanewitemordevicethatismadebyapersonforareason.Aninventioncanalsobesomethingthatisaddedtosomethingelsetomakeitbetter.Someinventionsarehelpful.Theycanmakelifemucheasier.Otherinventionscanmakelifemorefunorinteresting.Peoplewhoinventthingsarecalledinventors.Therearemanypeoplewhohavebecomefamousbecauseoftheirhelpfulinventions.Someinventorsplannedtoinventmachinesthatwouldhelppeopleeveryday.Otherinventorsmadediscoveriesandinventedthingsbyaccident.Let’slearnaboutdifferenttypesofinventions.3TheBicycleBicycleswerefirstinventedduringthelate1800s.Earlybicycleshadonebigwheelandonesmallwheel.Manypeopleworkedtomakethebicyclebetterafteritwasinvented.OnesuchpersonwasJohnStarley.In1885,Starleymadeabicyclethathadtwowheelsthatwerethesamesize.Starleydidn’tcallhisinventionabicycle.Starleycalledita“Rover”instead.Bicyclestodayaremadeth...
