The student provides a well-focused and detailed description of the main topic, which is to investigate the effect of different concentrations of cyanuric acid on the build-up of chlorine and to compare the effect of cyanuric acid with and without urea. The research question is appropriately addressed, and the background information section is well-organized and conveys all necessary information to understand the basis of the experiment. The chemistry is explained well enough for the reader to fully understand it without the need of 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. However, no ethical or environmental concerns are mentioned.