JUNIPERKAI:SUPERSPYTeacher’sGuideFirst,readJuniperKai:SuperSpyaloudtoyourclass.Thenhavefunwithoneormoreoftheactivitiesbelow.Writing/discussionprompts1.Ifyoucouldinventanyspygadget,whatwoulditbe?Writeaboutyourinvention,ordrawapicture.2.InJuniperKai:SuperSpy,Juniperissometimeslonelywithoutanysiblingsandisveryexcitedwhenshefindsoutshewillhaveayoungerbrothersoon.Areyouanonlychild?Whatdoyoulikeaboutbeinganonlychild?Whatdoyoudislike?Orifyouhavesiblings,aretheyolderoryounger?Whatdoyoulikeabouthavingasibling?Whatdoyoudislike?3.Juniper’sspyheroissuperspyJamesBond,whohasacodenameof007.Ifyouwereaspy,whatwouldyouwantyourcodenametobe?DoyouthinkJunipershouldhaveacodename?Whatshouldhercodenamebe?Makealistofcodenamesforyourfamilymembersorclassmates.Writeamessageincode!Writeamessageincode,thentradewithaclassmateanddecodeoneanother’smessages.Useoneofthesesimplecodes,ormakeupyourown:1)Substituteanumberforeachletterofthealphabet.A=1,B=2,etc.allthewaytoZ=26.2)Useabookcipher.Youwillgive3numberstotelltheotherpersoneachwordofyourmessage.Forexample,23,7,4meansgotopage23,lookatthe7thlinefrom
thetop,thenlookatthe4thwordintheline.Ofcourse,youwillhavetogivetheotherpersonthebookyouusedinorderforhimorhertodecodeyourmessage.Scienceextension:Writeamessageininvisibleink!Writingacodedmessagetoaco-agentisgreat…butwhatifthemessagelookslikeablankpieceofpaper?Evenbetter!Youwillneed:LemonscutinhalfQ-tipPaperBowlLamporotherlightbulb,orhairdryer(adultsupervisionrequired)Squeezelemonjuiceintoabowl.Youcanaddalittlebitofwatertoo(abouthalfateaspoonforeachhalflemon).DipQ-tipsinthelemonjuicetowritethemessage.Waitforthepapertodry,andthemessagewillbeinvisible!Fortheco-agenttorevealthemessage,holdthepaperclosetoalightbulborhairdryer(adultsupervisionrequired).Asthelemonjuiceisheated,themessagewillshowup.Why?Becauselemonjuiceoxidizeswhenheated,turningbrown.Inmoredetail:whenyouheatthepaper,chemicalbondsbreakdown,freeingcarbontocomeintocontactwiththeair.Thiscausesthecarbontoturnadarkercolor.Oxidationisalsowhatcausesappleslicestoturnbrownaftertheysitaroundforawhile(makingmanykidsrefusetoeatthem!).Inthecaseofapples,noheatisneededfortheoxidationreactiontotakeplace.Somethingelsetotry:Youcanwriteamessageininvisibleinkwithlemonjuice,letitdry,thenwriteaDIFFERENTmessageinpencilonthesamepieceofpaper.Thiswillbesuretoconfuseanyonewhointerceptsthepaper!Funhistoryfact:GeorgeWashington’sarmyusedinvisibleink(madeofferroussulfateandwater)tosendsecretmessagesduringtheAmericanRevolution!Researchextension:AnimaldisguisesSpiesusedisguises.Sodoanimals!Researchananimalthatusescamouflage.Possibilitiesincludestickinsects,octopuses,arcticfoxes,andmanyothers!
