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Quick Revision: Air Around Us Video Lecture | Science for Class 1

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FAQs on Quick Revision: Air Around Us Video Lecture - Science for Class 1

1. How is air essential for living organisms?
Ans. Air is essential for living organisms as it contains oxygen, which is needed for respiration. Without oxygen, living organisms cannot survive.
2. What are some common gases found in the air around us?
Ans. Some common gases found in the air around us are nitrogen, oxygen, carbon dioxide, and argon.
3. How does air help in maintaining the Earth's temperature?
Ans. Air acts as a natural insulator, trapping heat from the sun to maintain the Earth's temperature. It also helps distribute heat around the planet through winds and currents.
4. What are the different components of air and their percentages?
Ans. The main components of air are nitrogen (78%), oxygen (21%), and trace amounts of other gases such as carbon dioxide, argon, and water vapor.
5. How does pollution affect the quality of air around us?
Ans. Pollution from various sources such as vehicles, industries, and deforestation can contaminate the air, leading to health problems and environmental damage. It can also contribute to global warming and climate change.
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