The document provides guidance on creating effective essential and unit questions to guide curriculum and instruction. It discusses how essential questions can be overarching questions that span multiple units while unit questions focus on a specific unit. Examples are provided to illustrate how different unit questions can support a single essential question. Tips are also given for writing good essential and unit questions, such as making them open-ended and focusing on how and why rather than what, who, or when. The creation of questions is portrayed as an ongoing process.