Keep your gifted learners thinking like scientists with this one-page Depth & Complexity Progress Tracker designed for the OpenSciEd 7.5 Ecosystem Dynamics unit. Instead of traditional notebook entries, students use this structured chart to track their thinking across the unit — choosing two D&C lenses to respond to after each lesson and labeling their own responses, a simple metacognitive move that makes the thinking visible. What's included: ✔ One print-ready PDF (letter size, designed to fit