Life Science 8 is a hands-on experimental course devoted to the study of the human body. As part of the unit on Food, Nutrition, and Digestion, students learn how to perform qualitative chemical tests to determine the presence of some nutrients found in foods. They then test favorite food products for the presence of these nutrients and then present their findings in a brief, informative lab report. Writing instruction for this assignment emphasizes precision, concise wording, and composition of a tightly focused conclusion. Read examples of these essays below.