The student provides a detailed and focused description of the aim of the experiment, which is to determine the effect of time of boiling on the magnesium and calcium ion content in tap water samples. The background information provided is relevant and thorough, although it could be expanded upon. The methodology is appropriate and well-designed to answer the research question, with 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, but no ethical concerns are mentioned.
