Help students discover how increasing carbon dioxide (CO₂) affects ocean chemistry through a hands-on, NGSS-aligned investigation. In this phenomenon-based lesson, students gather evidence from readings, models, demonstrations, and investigations to explain how ocean acidification impacts oysters and oyster shell formation. Perfect for NGSS Biology, Marine Biology, Environmental Science, Zoology or Chemistry.Rather than being given the answer, students build understanding step-by-step as they ex