This 4-week set of NGSS-aligned bell ringers brings 3D science thinking into your classroom every day. Each week targets a unique skill focus; data, argument, safety, or phenomenon, and combines SEP, CCC, and DCI into quick prompts perfect for warm-ups, exit tickets, notebooks, or sub plans. Reusable across grades and content areas. Includes all 4 sets:Week 6: Science Skills & Data PracticeWeek 7: CER & Argument from EvidenceWeek 8: Lab Safety & Experimental DesignWeek 9: Mystery Phenomena & Exp