5. Water
Water is a crucial natural resource, comprising about 71% of the Earth's surface, yet less than 3% is freshwater, of which much is inaccessible. It plays a vital role in ecological balance, agriculture, industry, and climate regulation, influencing weather patterns. The chapter discusses the water cycle, sources of water, pollution issues, conservation methods, and various governmental initiatives aimed at protecting this essential resource.
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Sections
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What we have learnt
- Water covers about 71% of the Earth's surface, but only a small percentage is freshwater.
- The water cycle describes the continuous movement of water within the environment.
- Water pollution leads to severe health issues and ecological disturbances.
Key Concepts
- -- Water Cycle
- The continuous movement of water through evaporation, condensation, precipitation, and collection.
- -- Water Pollution
- The contamination of water bodies caused by harmful substances that compromise the health of aquatic life and human use.
- -- Conservation of Water
- Methods aimed at maintaining and protecting water resources, including rainwater harvesting and water recycling.
Additional Learning Materials
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