Open educational resources like OpenSciEd offer powerful storylines, but many teachers struggle with pacing and student engagement. Argument-Driven Inquiry (ADI) provides a practical jumping-off point—ready-to-use, hands-on investigations that fit naturally into OER units. Learn how ADI can serve as a benchmark or mid-unit checkpoint, giving students a complete cycle of questioning, data collection, and argumentation while keeping your NGSS instruction on track.