The student has identified a focused and detailed topic of investigation which is examining the effect of the thickness of wheels on a car's performance. The topic is stated correctly at the beginning of the work and the student provides a clear breakdown of what will be done in the investigation. The research question indicates the variables that will be explored, but it should also include the values of the independent variable and the units for the variables. The physics concepts related to the topic are well explained throughout the work, although the student is advised to include figures to visualize the phenomena. The methodology of the investigation is clear, easy to follow, and focused on addressing the research question. The student shows full awareness of safety, ethical, and environmental issues relevant to the procedure. Overall, the work demonstrates a strong understanding of the topic and a well-structured approach to the investigation.
