byDavidLernerillustratedbyMichelaGalassiË|xHSKBPDy502392zv*:+:!:+:!>ISBN-13:978-0-15-350239-2ISBN-10:0-15-350239-8GRADE4Lesson20WORDCOUNT980GENRENarrativeNonfictionLEVELELLHarcourtLeveledReadersOnlineDatabasebyDavidLernerillustratedbyMichelaGalassiCopyright©byHarcourt,Inc.Allrightsreserved.Nopartofthispublicationmaybereproducedortransmittedinanyformorbyanymeans,electronicormechanical,includingphotocopy,recording,oranyinformationstorageandretrievalsystem,withoutpermissioninwritingfromthepublisher.RequestsforpermissiontomakecopiesofanypartoftheworkshouldbeaddressedtoSchoolPermissionsandCopyrights,Harcourt,Inc.,6277SeaHarborDrive,Orlando,Florida32887-6777.Fax:407-345-2418.HARCOURTandtheHarcourtLogoaretrademarksofHarcourt,Inc.,registeredintheUnitedStatesofAmericaand/orotherjurisdictions.PrintedinChinaISBN10:0-15-350239-8ISBN13:978-0-15-350239-2OrderingOptionsISBN10:0-15-349939-7(Grade4ELLCollection)ISBN13:978-0-15-349939-5(Grade4ELLCollection)ISBN10:0-15-357290-6(packageof5)ISBN13:978-0-15-357290-6(packageof5)Ifyouhavereceivedthesematerialsasexaminationcopiesfreeofcharge,HarcourtSchoolPublishersretainstitletothematerialsandtheymaynotberesold.Resaleofexaminationcopiesisstrictlyprohibitedandisillegal.Possessionofthispublicationinprintformatdoesnotentitleuserstoconvertthispublication,oranyportionofit,intoelectronicformat.1234567891098512111009080706Onemorningajewelrystoreowneropenedhisstore.Helookedaround.Somethingwaswrong.Sixdiamondringsweremissing!Thestoreownerrantothebackofthestore.Thewindowwasbroken.Thestoreownercalledthepolice.Twopoliceofficersandadetectivearenowinthestore.Thedetectivewilltrytofigureoutwhotookthediamondrings.Thedetectivelooksallaround.Helooksforcluestolearnwhathappened.Thebrokenwindowisaclue.Theemptyjewelryshelfisaclue.Othercluesarenotsoeasytosee.Thisdetectivewilltrytousesciencetosolvethecrime.3Peoplehaveusedsciencetosolvecrimesforalongtime.ThereisastoryaboutascientistfromGreecewholivedlongago.Thescientist’snamewasArchimedes.Archimedeslivedinapl...
