The student has chosen a detailed and focused topic for investigation, which is to explore how tightening or loosening the strings will impact the sound produced. They have provided a clear research question and explained the physics behind the experiment in an easily understandable manner. The methodology is well-defined and addresses the research question, with steps to ensure the relevance and reliability of collected data, and safety hazards are considered. While ethical and environmental issues are not relevant to this experiment, the student demonstrates full awareness of safety hazards.
