Hypothesis
If the amount of oil absorbed and contained is dependant on the materials, then ten cotton balls, one sponge, twenty-five mL of dish soap and one spoon will absorb 70% of the oil and contain 90% of the oil.
Independent Variable
Twenty-five mL of dish soap,
One spoon,
Ten cotton balls,
One sponge.
One spoon,
Ten cotton balls,
One sponge.
Dependent Variable
The amount of oil absorbed and contained by each material,
Total percentage of oil spills cleaned up.
Total percentage of oil spills cleaned up.
Control Variable(s)
The amount of oil,
The amount of water,
The type of oil,
Quantity of materials used,
The size of the water basin,
The density and temperature of the crude oil and water.
The amount of water,
The type of oil,
Quantity of materials used,
The size of the water basin,
The density and temperature of the crude oil and water.