The student provides clear and focused background information on beer and explains the scientific concepts behind the beer brewery. The methodology of the investigation is highly appropriate to the topic, and includes appropriate steps to assure the relevancy and validity of the obtained results. The student also shows full awareness of safety hazards, ethical concerns, and environmental issues that can arise during the experiment. However, the description of the main topic is not present in the introduction, and a null and an alternative hypothesis is not stated and explained.