Science
Interaction among Earth’s spheres
In this Class 9 Science topic, students explore how Earth’s major spheres—the geosphere, hydrosphere, atmosphere, and biosphere—work together as an interconnected system. They examine how energy and matter move between these spheres through processes such as the water cycle, weathering, evaporation, rainfall, and nutrient cycling. The topic also shows how natural events and human activities can change these relationships, helping students understand Earth as a dynamic system that supports life.
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Practice questions are not available for this topic yet. We plan to add questions with clear explanations soon. You can keep practising other topics in the meantime.
- Class / subject
- 9 · Science
- Chapter
- Earth as a System: Energy, Matter, and Life
- Topic
- Interaction among Earth’s spheres
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