candy atoms directions：糖果原子方向

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1、CandyAtomsBesuretokeepthecandyonnapkinsorincupsifyouwishtoactasthedisposalfordecayedcandyattheend.Nolabtablecandycanbeeaten!Part1CanyoufindtheaverageatomicmassofyourSkittles?Uraniumisanelementthathasmanyradioactiveisotopes.YourSkittlespackageisasampleofsomeofthoseisotopesandcanbeusedtofi

2、ndtheaverageatomicmassofyoursample.Youcantelltheatomicmassbythecolor.Pleaseusethechartbelowtofindtheaverageatomicmassofyourbag.ColoramountMassofisotopeTotalMassred238yellow235orange232green234purple233Pleaseshowallofyourcalculationsfortheaverageatomicmassofyoursamplehere.Isyourmassthesam

3、easotherstudents?Gatheratleastfiveotherstudentsdataandcomparethesamples,totheaverageofallsixdistributions.Showthosecalculationshere.Howcouldyouincreasethereliabilityofyourdata?Createahistogramofyourdatatoshowyourdistributionofisotopes.Part2Createthecurveforradioactivedecayusingdatayougat

4、heredfromtheSkittles.Atomsarecalledradioactivebecausetheydecayandresultinadifferentatomicmassorelement.Youwanttoseethecurveoftherateofdecay.Combinedyourskittlevalueswithatleastoneotherperson,eachofyoucanretain“your”atomsyetcombineyourdataresultsaswhentheatomsdecayyoumustdisposeoftheminso

5、mefashion.Countyourskittlesandrecordthatvalueasyourinitialattime.001.Notetime0isenteredas.001asforseveralmathematicalmodelsa0pointcannotbeused.Putyourskittlesinthecupandshakethem.Emptyyoucupcarefullyontoanapkin.Thoseskittleswithlettersuphavedecayed.Removethemandrecordthe“good”skittlesint

6、othedatatablebelow.Continueuntilallskittleshavedecayed.Oryoureach1severaltimes.HalfLifeYourLiveSkittlesPartner’sLiveSkittlesTotalLiveSkittles.00112345678910Describeyourresults.Trytofitafunctiontoyourline.Graphyourdata.Ifeachtumbleis100years,whatisthehalf-lifeofyoursample?Whatdoesthismean

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