The document provides instructions for writing an essay that will be assessed using Criterion D of the MYP. It outlines that students will be assigned an essay topic by their teacher about a problem that can be solved through science. It describes the requirements of Criterion D which are to summarize how science solves the problem, describe the implications, use scientific language, and cite sources. The document provides guidance on researching the topic, outlining the essay, and using a specific structure including an introduction, body, and conclusion. It emphasizes using evidence from reliable sources and citing sources both in text and in a reference list.