Earth Space Science, Biology, and Environmental Science all learn the Biogeochemical nutrient cycles, and they can be complex and boring, but they don't have to be! Make the Carbon, Nitrogen, Phosphorous, and Sulfur cycles fun and engaging in this rigorous, hands-on project where STEM students create large scale diagrams outside (or inside!) with Sidewalk Chalk! This activity can also be done inside with butcher paper or bulletin board paper and floor space. Students will include all of the