Hypothesis
If dish soap, vinegar and baking soda, cotton balls, and a sponge are to be tested in their ability to contain and absorb oil, then dish soap will be most successful in containing the oil and cotton balls most successful in absorbing it.
Independent variable: Material used to clean up oil spill
Dependent variable: Success of material
Control variables: Amount of oil within tub, amount of water within tub, amount of each material
Independent variable: Material used to clean up oil spill
Dependent variable: Success of material
Control variables: Amount of oil within tub, amount of water within tub, amount of each material