Name__________________________ExperimentalDesignHomeworkAssignmentBiology105Part1.Readthroughtheexperimentandanswerthequestions.Part2.Thenthinkofyourownexperiment.Part1:Experiment:ResearcherXwantstoknowtheeffectofdifferentamountsoffertilizeronthegrowthofplants.Shebelievesthatthemorefertilizeraplantgetsthebiggertheplantswillgrow.Shebuys5Sweet100tomatoplants,whichareallapproximatelythesameageandsize.Shegivesonenofertilizer,one1gramoffertilizer,one2gramsoffertilizer,one5gramsoffertilizerandone10gramsoffertilizer.Allofthetomatoplantsareplantedin10-inchpotsinBrandXPottingSoil,exposedtothesameamountofsunlightandgiven50mLofwateronceadayfor2weeks.Afterthetwoweeks,ResearcherXobservestheplantsandtakesmeasurements.Questions:Hypothesis:Ifplantsgrowthisaffectedbytheamountoffertilizeraplantreceives,thentheplantthatreceivesthemostfertilizerwillhavethemostgrowth.IndependentVariable:AmountoffertilizerDependentVariable:PlantgrowthControlGroup:NofertilizerExperimentalGroup:FertilizergroupsConstants(controlledvariables):Sizeofpot,speciesoftomato,amountofwater,lengthofgrowthtime,temperature,amountoflight,etc.WhattypesofmeasurementscanResearcherXmakeontheplantstodeterminehowtheydidindifferentamountsoffertilizer?Masstheplant,heightofplant,etc.Part2:Thinkupanotherexperimentandwriteortypeitout.ThenlisttheIndependentandDependentVariables,theControlGroup(s),theExperimentalGroup(s),theConstants,andtheMeasurementstakentodotheanalysis.