Class 3 Exam > Class 3 Notes > EVS Class 3: The World around us (Our Wondrous World) > Mind Map : Water - A Precious Gift
Mind Map : Water - A Precious Gift | EVS Class 3: The World around us (Our Wondrous World) PDF Download
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FAQs on Mind Map : Water - A Precious Gift - EVS Class 3: The World around us (Our Wondrous World)
| 1. Why is water considered a precious gift? |  |
Ans. Water is considered a precious gift because it is essential for all forms of life. Every living organism, including plants, animals, and humans, relies on water to survive. It plays a crucial role in various biological processes, such as digestion, temperature regulation, and transportation of nutrients. Additionally, water is vital for agriculture, sanitation, and industry, making it a key resource for sustaining ecosystems and human activities.
| 2. How much of the Earth's surface is covered by water? | |
Ans. Approximately 71% of the Earth's surface is covered by water. However, only about 2.5% of this water is fresh water, which is necessary for drinking and irrigation. The remaining water is saltwater found in oceans and seas, which is not suitable for direct human consumption. This highlights the importance of conserving fresh water resources, as they are limited.
| 3. What are the main sources of fresh water? | |
Ans. The main sources of fresh water include rivers, lakes, groundwater, and glaciers. Rivers and lakes provide accessible water for drinking and irrigation, while groundwater is stored in aquifers beneath the Earth's surface. Glaciers, although not directly available for use, contribute to freshwater supplies as they melt. Understanding these sources is essential for effective water management and conservation.
| 4. Why is it important to conserve water? | |
Ans. Conserving water is crucial because it helps to ensure that there is enough fresh water available for future generations. Water scarcity can lead to serious consequences, including droughts, food shortages, and conflicts over resources. By conserving water, we can protect the environment, support agriculture, and maintain healthy ecosystems. Simple actions like fixing leaks, using water-saving fixtures, and practicing mindful usage can make a significant difference.
| 5. What are some simple ways to save water at home? | |
Ans. There are several simple ways to save water at home, including: taking shorter showers, turning off the tap while brushing teeth, fixing leaks promptly, using a broom instead of a hose to clean driveways, and installing water-efficient appliances. Additionally, collecting rainwater for gardening and being mindful of water use during daily activities can significantly reduce overall consumption and promote sustainability.
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