name: fractal tetrahedrons€¦ · name: _____ fractal tetrahedrons fractals are smart: science,...
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![Page 1: Name: Fractal Tetrahedrons€¦ · Name: _____ Fractal Tetrahedrons Fractals are SMART: Science, Math & Art! Copyright 2018 Fractal Foundation, all rights reserved](https://reader033.vdocuments.net/reader033/viewer/2022052320/5f15c00fd114dd254f3ece39/html5/thumbnails/1.jpg)
Name:________________________________
FractalTetrahedrons
FractalsareSMART:Science,Math&Art!www.FractalFoundation.org
Copyright2018FractalFoundation,allrightsreserved
1.Whatisafractal?2.Describethefourtypesoffractalpatterns.a) b) c) d) 3.Createexampleofthreefractalpatternsthatdonotrequireacomputertocreate.a) b) c)4.Makeyourbasictetrahedron.5.Whattypeoffractalpatternisatetrahedron?6.Whatdoes“tetra”standfor?Whyisatetrahedronnamed“tetrahedron”?7.Usingaprotractor,measuretheanglesofallthedifferentsidesofyourtetrahedron.
a)Whatarethey?
b)Areyouranglesaboutthesameorreallydifferent?
c)Whattypeoftriangleisyourtetrahedron?
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Name:________________________________
FractalTetrahedrons
FractalsareSMART:Science,Math&Art!www.FractalFoundation.org
Copyright2018FractalFoundation,allrightsreserved
8.Nowlet’sseewhatpatternswecanfindwhenwebuildourtetrahedrons.Howbigcanwebuildone?NOTE:Asyoumovefromfirsttosecondorder,secondtothirdorder,etc,savethemarshmallowsyoutakeoff–theywillhelpyouseethepatterns!
9.a.Howdoyougetfromyourowntetrahedrontothenextstepup?Whatdoyoudotobuildit?b.Whatisthemathematicalexpressionforhowmanytoothpicksyouhaveinyourownversusthenextsizeup?c,Whatisthemathematicalexpressionforhowmanymarshmallowsyouhaveinyourownversusthenextsizeup?Hint–youaredoingtwomathematicalproceduresd.Whatishappeningtothelengtheachtimeyoumakeabiggertetrahedron?10.Usethemathematicalexpressionstopredicthowmanymarshmallowsandtoothpicksyouhaveinthenexttwosizesupandbuildthose!
#Toothpicks #Marshmallows Length(cm)
Firstordertetrahedron
Secondordertetrahedron
Thirdordertetrahedron
Fourthordertetrahedron
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Name:________________________________
FractalTetrahedrons
FractalsareSMART:Science,Math&Art!www.FractalFoundation.org
Copyright2018FractalFoundation,allrightsreserved
Adaptationstodifferentgrades
• 3rdandup:measurevolumeandarea• 4thandup:createfractions/ratiosbasedonproportionsanddiscusswhichonesare
bigger/smaller• 5thandup:grapheachstep(first,second,thirdordervs#marshmallowsand#
toothpicks)andseewhatkindoflinedatacreate• 6thandup:createequations(makeanequationthatshowsthatrelationship),ratios
andproportions,graphnumberseachiteration–typeofline,areaandvolume,dostatisticsonmeasurements–discusssamplesandspread;graphdistributionandstandarddeviation,discussaccuracyinanglesandlengthsoftoothpicksinmakingadesignthatistrulysymmetricalandstable
• 7thandup:measuresurfaceareaandvolume• 8thandup:modelrelationshipswithquantities,modelchemicalcompounds,
molecularstructure–engineering(alsobridgebuilding),modeling(NextGenerationScienceStandards)
Wherehaveyouseenothertetrahedronshapesorfractalsaroundyou?Whatideasdoyouhaveofwheretetrahedronscanbeused?Modeltoabiggersizewithstrawsandclay,PVCpipe,metal,etc.