The student identifies a focused and detailed topic of investigation, specifically exploring the relationship between temperature and the refractive index of corn oil. The research question is clearly articulated and relevant, centering on how temperature affects the refractive index. The physics concepts are well-explained, allowing for easy comprehension, and the methodology is organized and generally clear. However, there is a noted inconsistency in the methodology regarding the introduction of multiple independent variables, which may complicate the investigation's focus. The student demonstrates a strong awareness of safety, ethical, and environmental issues relevant to the procedure, ensuring a responsible approach to the experiment.
