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Quick Revision: Water Video Lecture | Social Studies (SST) Class 7

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FAQs on Quick Revision: Water Video Lecture - Social Studies (SST) Class 7

1. What are the essential properties of water?
Ans. Water has unique properties such as high surface tension, high specific heat capacity, universal solvent capabilities, and the ability to expand upon freezing.
2. How does water play a crucial role in biological systems?
Ans. Water is essential for various biological processes such as maintaining cell structure, regulating body temperature, transporting nutrients, and facilitating chemical reactions in organisms.
3. Can water exist in different states?
Ans. Yes, water can exist in three states: solid (ice), liquid (water), and gas (water vapor), depending on the temperature and pressure conditions.
4. What is the significance of the water cycle in nature?
Ans. The water cycle is vital for the continuous circulation of water on Earth, involving processes like evaporation, condensation, precipitation, and runoff, ensuring the availability of water for all living organisms.
5. How does water quality impact human health and the environment?
Ans. Poor water quality can lead to health issues like waterborne diseases, environmental pollution, and ecosystem degradation, emphasizing the importance of monitoring and maintaining clean water sources.
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