Public learning track
Biogeochemical Cycles and Earth Systems
9th Grade · Science · Open Global Science
8 lessons
Goal
Analyze the movement of carbon, nitrogen, and water across Earth's spheres and assess how biological processes and anthropogenic disruptions influence climate equilibrium.
Featured Diagrams
How Water Cycles Through Earth's Systems
8 lessons
0 of 8 done
- 1How Water Cycles Through Earth's SystemsUp nextStart
- 2Carbon Cycling Among Biosphere, Atmosphere, Hydrosphere, and GeospherePremiumNot started yet
- 3The Role of Photosynthesis and Respiration in the Carbon CycleNot started yet
- 4The Nitrogen Cycle: Fixation, Nitrification, and DenitrificationNot started yet
- 5Decomposers and Nutrient Recycling in SoilsNot started yet
- 6Fossil Fuel Combustion and Atmospheric Carbon DisruptionNot started yet
- 7Anthropogenic Nutrient Loading and EutrophicationNot started yet
- 8Biogeochemical Feedbacks and Global Climate EquilibriumNot started yet
Curriculum Framework
9th Grade · Science · Open Global Science
1
8 lessons
Ecosystem Dynamics, Energy Flow, and Community Succession
Model ecological organization from organisms to biomes, calculate energy and biomass transfers across trophic levels, and analyze how biotic, abiotic, and symbiotic interactions drive ecological succession.
2
8 lessons
Biogeochemical Cycles and Earth Systems
Analyze the movement of carbon, nitrogen, and water across Earth's spheres and assess how biological processes and anthropogenic disruptions influence climate equilibrium.
3
8 lessons
Ecological Sampling, Biodiversity, and Conservation
Conduct rigorous ecological field sampling, quantify biodiversity using mathematical indices, evaluate human-induced extinction threats, and formulate conservation plans.