The student has identified a focused and detailed topic for investigation and has provided a relevant and fully focused research question. The physics behind the topic is explained well in the background section, and the methodology of the investigation is clear, easy to follow, and focused on addressing the research question. The methodology also includes steps to assure the relevance and reliability of the collected data, and the student has shown full awareness of safety hazards. However, the student did not mention any ethical or environmental considerations.