Radish Seed Growth Lab Report 9/28/14 Problem: What is the effect of the amount of vinegar on radish seed growth Independent Variable: Amount of vinegar Dependent Variable: Radish seed growth Hypothesis: If there is more vinegar, then the radish seed growth would be less than water because vinegar is not ideal for plant growth. Materials: Vinegar, water, radish seeds, petri dishes, paper towels, ruler, scissors, tape Controlled Variables: Same light Same amount of liquid Similar environments Procedure: Cut out paper towel for each petri dish Put in the petri dishes Cut three pieces of tape On one write Water and put on a petri dish On another write Vinegar and put on a petri dish On the last one write Water/Vinegar and put on a petri dish