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Air and Water Video Lecture | Science Olympiad for Class 5

FAQs on Air and Water Video Lecture - Science Olympiad for Class 5

1. What is the importance of air and water for living beings?

Ans. Air and water are essential for all living beings. Air provides oxygen, which is necessary for breathing and energy production in our bodies. Water is crucial for hydration, digestion, and transportation of nutrients. Without air and water, life cannot sustain.

2. How do plants use air and water for photosynthesis?

Ans. Plants use air and water to make their food through a process called photosynthesis. They take in carbon dioxide from the air and water from the soil. Using sunlight, they convert these into glucose (a type of sugar) and oxygen. This process supports plant growth and produces oxygen for us to breathe.

3. What are some ways to conserve water?

Ans. We can conserve water by fixing leaks, taking shorter showers, using water-efficient appliances, and collecting rainwater. Additionally, we should turn off the tap while brushing teeth and only water plants when necessary. Every small action helps in saving this precious resource.

4. Why is clean air important for health?

Ans. Clean air is vital for our health because it helps prevent respiratory diseases and allergies. Polluted air can lead to serious health issues like asthma, lung infections, and other chronic conditions. Breathing clean air ensures our bodies function properly and keeps us healthy.

5. What are the main sources of water pollution?

Ans. The main sources of water pollution include industrial waste, agricultural runoff, sewage disposal, and plastic waste. These pollutants can harm aquatic life and make water unsafe for drinking and bathing. It’s important to reduce pollution to keep our water sources clean and safe.

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Sep 07, 2025 Last updated

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37 videos|80 docs|50 tests

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