Victoria is comparing laundry detergents. She set up an experiment to determine which detergent will be the most effective in removing stains from her clothes. Then she made a list of materials she will need to conduct the experiment.


List of Materials


cloth

mustard

containers for washing

laundry detergent A

laundry detergent B

measuring cups


Part A What is the independent variable in this experiment (what will she change)? What is the dependent variable?


Part B What variables should Victoria keep constant in her experiment? Explain why this is important