Real-World Investigations of Energy, Matter, and Temperature (Grades 6–8) Grade Levels: 6–8 Science Resource Type: Phenomenon-Based CER Worksheets Format: Printable PDF Bundle | No Prep | Includes Answer Keys Engage secondary science students with five high-interest, real-world phenomena that connect directly to core physical science concepts. This Claim–Evidence–Reasoning (CER) worksheet bundle is designed to support NGSS-aligned, phenomenon-based instruction while strengthening students