Steel Wool Investigation Problem Will steel wool rust

Steel Wool Investigation Problem: Will steel wool rust faster in water, salt water, or vinegar? Predict: What do you think? ___________________________________________________________ Materials: • 1 Piece of steel wool • 1/3 section of egg carton • Water • Salt Water • Vinegar • 10 ml graduated cylinder • scissors Procedure: What are the steps in your investigation? 1. ___________________________________________________________ 2. ___________________________________________________________ 3. ___________________________________________________________ 4. ___________________________________________________________ 5. ____________________________________________________________ 6. _____________________________

Observations: Day/Time Steel wool in water Steel wool in salt water Steel wool in vinegar Conclusion: 1. Which liquid caused the steel wool to rust faster? _________ 2. Was your prediction correct? _________________ 3. Compare your results to another group’s results. Were your results the same or different? If they were different, how were they different? __________________________________________________________ 4. What physical change to the steel wool did you observe? _____________________________ 5. What chemical change to the steel wool did you observe? _____________________________