The document discusses project-based learning and outlines its key phases. It describes project-based learning as an approach where students construct personal knowledge to solve real-world problems. It emphasizes that learning is long-term and student-directed. The phases discussed are define, plan, do, manage, and review. Key aspects of each phase are defined such as establishing essential questions, assigning roles and tasks, creating artifacts, and conducting assessments and reflections. The overall approach is presented as a way to develop students' 21st century skills and connect classroom learning to the real world.