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|-
|'''Maple Leaf'''
|'''ChestnutLeafChestnut Leaf'''|'''Variables'''
|-
|[[File:MapleLeaf.png|center|200px]]
|[[File:ChestnutLeaf.png|center|200px]]
|The leaves that were chosen were the '''independent variable'''.
|The colour of the leaves was the '''dependent variable'''
|The experiment was done at the same time of year for every tree because at different times leaves can change colour or fall off. This was a '''control variable'''
|}