🌊 Ocean Currents Lesson Surface Currents • Deep Currents • Gyres • Coriolis • Upwelling Bring ocean circulation to life with this engaging, NGSS-aligned lesson on ocean currents! Students explore how wind, density, Earth’s rotation, and basin shape work together to drive surface and deep ocean circulation — and how currents impact climate, marine ecosystems, and even plastic pollution. This lesson blends interactive visuals, guided notes, real-world examples, and critical thinking into a st