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Learning Poster: Water - The Essence of Life | Our Wondrous World  Class 5 - New NCERT

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FAQs on Learning Poster: Water - The Essence of Life - Our Wondrous World Class 5 - New NCERT

1. Why is water considered the essence of life?
Ans.Water is essential for all known forms of life. It acts as a solvent, allowing chemical reactions to occur within cells. Additionally, water helps regulate temperature and provides a medium for transporting nutrients and waste. Without water, living organisms would not be able to survive or function properly.
2. What are the key properties of water that make it vital for life?
Ans.Water has several key properties, including its ability to dissolve many substances, its high specific heat capacity which helps regulate temperature, and its cohesion and adhesion properties that facilitate movement in plants. These properties enable water to support life processes such as digestion, circulation, and cellular respiration.
3. How much of the Earth's surface is covered by water, and why is this important?
Ans.Around 71% of the Earth's surface is covered by water. This is important because it influences climate patterns, supports diverse ecosystems, and provides essential resources for humans, such as drinking water, agriculture, and industry. The vast bodies of water also play a crucial role in the water cycle, which is vital for maintaining life on Earth.
4. What role does water play in human health?
Ans.Water is crucial for human health as it helps maintain bodily functions. It aids in digestion, absorption of nutrients, and elimination of waste products. Proper hydration is essential for maintaining energy levels, cognitive function, and overall physical performance. Lack of sufficient water can lead to dehydration, negatively impacting health.
5. How can we conserve water effectively?
Ans.Water conservation can be achieved through various methods such as fixing leaks, using water-efficient appliances, collecting rainwater, and practicing mindful water use during activities like bathing and gardening. Educating communities about the importance of water conservation is also key to ensuring sustainable water use for future generations.
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