lab · 2017. 10. 12. · controlled experiment with your hydroponics lab: 1. does this plant grow...
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![Page 1: Lab · 2017. 10. 12. · controlled experiment with your Hydroponics Lab: 1. Does this plant grow best in water, soil, or sand? Plant three seedlings. Put water in one test tube](https://reader036.vdocument.in/reader036/viewer/2022071513/6134e370dfd10f4dd73c04de/html5/thumbnails/1.jpg)
• 3testtubes• 3seedbaskets• 3stands• 3supportrods(3tops,3bases)
EI-5099 Ages 5+Grades K+
TMTM
HydroponicsLab
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Contents:
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Hydroponics LabHydroponics Lab
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You will need to provide the following: •seeds—Useseedsthatgerminate,orsprout,quickly(3-5days)
sothatyoucangetstartedrightaway.Readtheseedpackagetofindouthowquicklyyourseedswillgerminate.Beanorpeaplantsaregoodplantstotryfirst.
•apapertowel
•plasticbag
•stringortwistties
•write-on/wipe-offpen
•optional:plantfood
Setthetesttubeinthestand.Inserttheseedbasketintothetopofthetesttube.Toassembletherod,fitatopintoabasetomakeonelongsupportrod.Slidethislongsupportrodintotheholeinthestand.YourHydroponicsLabisnowreadyforseedlings!
Assembling Your Hydroponics Lab
Preparing Your SeedsGerminateyourseedsbeforeplantingthemintheHydroponicsLab.Here’show:
1. Moistenapapertowelwithwater.
2.Wrapyourseedsinthepapertowel,andthenplacetheminaplasticbag.Sealthebag.
3.Waituntiltheseedsgerminate.Forbeanorpeaplants,wait3–5days.Lookonyourseedpackagetoseehowlongthiswilltakeforyourseeds.
4.Yourplantsarenowseedlings.SelectoneseedlingtoplantineachHydroponicsLab.Useonetesttubeperseedlingtogiveyourplantrootsplentyofspacetogrow.
Fittopintobasetomakealongsupportrod.stand
testtube
supportrod-top
supportrod-base
seedbasket
germinatedseed
Didyouknowthatplantscangrowwithoutsoil?Welcometothescienceofhydroponics!Plantsthataregrownwithoutsoilaregrownhydroponically.Therootscangettheirnutrientsfromwaterorothermediainsteadofsoil.Watchtheexciting,hiddenworldofroots!
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Hydroponics Lab
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Hydroponics Lab
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Planting a Seedling 1. Removetheseedbasket,andfillthetest
tubewithwater.
2.Threadtherootsoftheseedlingthroughthemeshbasketbottom.Therootsshouldhangdownbelowthebasket.
3.Gentlyplacethebasketintothetesttubesothattherootsarehanginginthewater.Theseedbasketshouldbeabouthalffullwithwater.
4.Useawrite-on/wipe-offpentolabelthestand.Youcanwritethenameoftheplantorwriteavariableyouaretesting(seeBeaScientist!onthenextpage).
5.PlaceyourHydroponicsLabnearawindoworinasunnyarea.
6.Waterwillevaporatewithtime.Addwatereveryfewdaystokeeptheseedbaskethalffullwithwater.Donotletthewaterleveldroptoolowortherootswilldryout.
7. Ifthewaterbecomescloudyorsmelly,youmustreplacethewater.TaketheHydroponicsLabtoasink.Grasptheseedbasketandliftit,withtheplantinit,outofthetesttube.Dumpoutthewater,andthenrinsethetesttubethoroughlywithwarmwatertoclearanydebris.Refillthetesttubewithcoolfreshwater.Gentlyreplacetheseedbasketinthetesttubesotherootsareagainhanginginthewater.Replacethetesttubeinthestand.
8.Asyourplantgrows,itmayneedsomesupport.Usestringortwisttiestotietheplanttothesupportrod.
9.Ifyouwish,addplantfoodtothewater.Followthedirectionsontheplantfoodtoseehowmuchtoadd.
Cleaning Your Hydroponics LabWhenyouarereadyforanewplantingproject,youmustcleanyourHydroponicsLab.Usewarmwaterandsoaptocleanoutthetesttubesandseedbaskets.Allowtoairdrybeforeusingagain.
Be a Scientist!YourHydroponicsLabisperfectforconductingcontrolledexperiments!Whenyouconductacontrolledexperiment,youkeepallvariablesthesameexcepttheonevariableyouaretesting.
HerearesomequestionsyoucananswerbyconductingacontrolledexperimentwithyourHydroponicsLab:
1. Doesthisplantgrowbestinwater,soil,orsand?
Plantthreeseedlings.Putwaterinonetesttube.Intheothertesttubes,putmoistsoilandmoistsand.Youdonotneedaseedbasketforthesoilandsandtubes.Instead,planttheseeddirectlyinthesoilorsand.Labeleachplantwiththetypeofmediuminwhichitisgrowing.
2.Doesplantfoodcausemyplantspeciestogrowtaller?
Planttwoseedlings.Putequalamountsoftapwaterineachtesttube.Inoneofthetesttubes,addplantfood.Followthedirectionsontheplantfoodtoseehowmuchtoadd.Writeplant foodonthelabel.Writecontrolontheotherlabel.
3.Doesthisplantspeciesgrowbetterintapwater,bottledwater,ordistilledwater?
Plantthreeseedlings.Putequalamountsofwaterineachtesttube.However,giveoneplanttapwater,anotherbottledwater,andathirddistilledwater.(Finddistilledwaterinyourlocalsupermarket.)Labeleachplantwiththetypeofwaterithasinthetesttube.
4.Doesthisplantspeciesgrowbetterinsunlight,shade,orartificiallight?
Plantthreeseedlings.Putequalamountsofwaterineachtesttube.Placeonetesttubenexttoawindow,placeanotherinashadyspotinyourhouse,andathirdunderalamp.Labelthemsunlight,shade,andartificial light.
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Hydroponics LabHydroponics Lab
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Everyfewdays,observeyourplantsandrecordyourdatainasciencejournal.Recordtheday(howmanydaystheplanthasbeengrowing).Measuretheplantheight(abovetheseedbasketorsoilline)androotlength.Iftheplantsaregrowinginwater,youcanmeasuretherootsbybrieflypullingouttheseedbasketandholdingarulernexttotheroots.Ifpossible,takephotosoftheplantsandattachthepicturestotheappropriateplaceinyourjournal.Ifyoucannottakephotos,drawpicturesofwhattheplantslooklike.Observetheplantandwritedownyourobservations.
Foreachplantthatyougrow,drawachartinyoursciencejournalliketheoneonthenextpage.Everyfewdays,fillinanotherlineonthechart.Whenyouarefinished,makeseparatelinegraphsshowingtheplantandrootgrowth.
Thinkofsomemorequestionsyouwouldliketoanswer.WhatwouldYOUliketofindoutaboutyourplants?
UseyourHydroponicsLabforyournextsciencefairproject!
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