There are several ways to write a lab report, and depending on your class or your instructor, the requirements will vary. But this guide, created by Sherri Seligson, author of Apologia’s Exploring Creation with Marine Biology and Internship for High School Credit, has been developed to help you understand the reason why knowing how to write a lab report is an important part of the science process. It will also introduce the basic structure of one type of write-up.