Designed for editing and correcting Lab write-ups for IB Environmental Systems and Societies, this Lab Revision Lesson can be used for the IA (Internal Assessment) or for any lab in the course. Focused on writing and the rubric, this exercise calls for extensive student Self-scoring, Self-reflection, Peer-scoring, and calibration on the rubric. It is a guide to revising existing Lab Write ups and should be used after the experiment and initial draft. Could be used to guide lab writing process. W