Engage your high school students in scientific argumentation with this Are Viruses Alive? Biology CER Activity aligned to NGSS HS-LS1-1 and HS-LS1-3. This read, annotate, and write lesson challenges students to analyze whether viruses meet the characteristics of life using evidence-based reasoning. Perfect for grades 9–12 biology or life science classes, this no-prep resource builds critical thinking, close reading, and scientific writing skills—all in one structured lesson. 1️⃣ What’s Included