Engage middle school students in an observable, real-world phenomenon that connects chemistry, energy transfer, and environmental conditions: why candles burn differently in colder rooms. This thoughtfully designed worksheet guides students through reading, data interpretation, and Claim–Evidence–Reasoning (CER) writing, making it an excellent fit for NGSS-aligned, phenomenon-based instruction in junior high science classrooms. Why Do Candles Burn Differently… . ✅ What’s Included Scientif