The student provides clear and focused background information on enzymes, specifically about catalase, which is relevant to this experiment. The biology behind the enzyme function and the specific enzyme used in this experiment are explained well enough for the reader to fully and easily understand it without the need for rereading. The methodology of the investigation is highly appropriate to the topic, focused on answering the research question, and includes appropriate steps to assure the relevancy and validity of the obtained results. The student shows full awareness of safety hazards and environmental issues that can arise during the experiment. However, the description of the main topic is to a lesser extent present in the introduction and the null hypothesis is not stated. The student did not state the ethical concerns of the experiment.
