The student clearly states and explains the topic in the body of the Introduction, which is an investigation of the effect of temperature on the concentration of iron (II) ions leaking from spinach leaves. The student provides a focused and detailed description of the research question. The background information provided is relevant and focused, explaining key concepts necessary for understanding the investigation. The chemistry of the experiment is 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, with 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.
