Are kids today spending enough time outdoors? Make your case in this argument writing prompt worksheet and rubric! Designed for a middle school writing curriculum, What’s Your Argument? Outdoor Time gives students a chance to write an argument essay on a relevant and engaging topic. In conjunction with the Argument Writing: Standards-Based Rubrics for middle grades, this writing prompt encourages students to support their claims with clear reasons and relevant evidence, organize their arguments logically, and use accurate and credible sources.