Help your students visualize the movement of oxygen through Earth’s systems with this comprehensive, NGSS-aligned resource! This engaging bundle covers the full oxygen cycle—from photolysis and photosynthesis to respiration, combustion, and decomposition. It includes Doodle Notes, a self-check quiz, and a vibrant 90-slide PowerPoint & Google Slides presentation. Students will explore the role of plants, animals, oceans, and fossil fuels in cycling oxygen through the atmosphere, biosphere, hydr