The student has identified a focused and detailed topic of investigation, with a clear research question. The physics behind the topic is explained well, making it easy for the reader to understand. The methodology of the investigation is clear, easy to follow, and addresses the research question. The student also includes steps to assure the relevance and reliability of the collected data. However, the student needs to show awareness of safety hazards, ethical issues, and environmental issues relevant to the procedure, and address them in the Risk Assessment section.