The student provides a focused and detailed description of the main topic, clearly stating the aim of the investigation. The background information presented is relevant and focused, covering the production and benefits of Kvass as well as the characteristics of curcumin. However, the research question lacks detail and should include specific values for the independent variable and a unit for the fermentation rate. While the methodology is appropriate and focused on answering the research question, the student should improve the explanation of biology concepts related to anaerobic respiration and yeast. Additionally, the student should address ethical and environmental concerns related to the experiment.
