Air Around Us Class 6th - NCERT Solutions for Chapter 11 Science

Air Around Us Class 6th - NCERT Solutions for Chapter 11 Science
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Dive into the intriguing world of atmospheric science with our comprehensive guide on "Air Around Us" for Class 6 students. This fascinating chapter, part of the Class 6 Science curriculum, offers a detailed exploration of the air we breathe and its vital role in our environment. At WitKnowLearn, we provide a rich collection of resources, including an Air Around Us Class 6 PDF with questions and answers, tailored to enhance the learning experience for young minds.

Understanding the composition and significance of air becomes an exciting journey with our Air Around Us Class 6 solutions. These solutions are meticulously designed to answer all your queries related to this essential chapter. Whether it's the basics of atmospheric gases or the complex processes of the environment, our Air Around Us Class 6 question answer section covers it all.

The Class 6 Science Chapter 11 is not just about theoretical knowledge; it's an opportunity to connect with the environment. Our materials for Class 6th Science Chapter 11 are created to foster a deeper understanding of the subject. For students who seek a more interactive learning experience, our Class 6 Science Ch 11 resources are perfect for engaging young learners.

WitKnowLearn believes in making education accessible, interesting, and relevant. Our Air Around Us Class 6 questions and answers are a testament to our commitment to quality education. So, get ready to embark on a journey of discovery about the air around us with WitKnowLearn, where learning becomes an adventure!

Air Around Us Class 6

Q1. What is the composition of air?

Ans: Air is a mixture of 79% nitrogen, 20% oxygen, 1% carbon dioxide, water vapours and some other gases. Air also

contains dust particles.

Q2. Which gas in the atmosphere is essential for respiration?

Ans: Oxygen is essential for respiration.

Q3. How will you prove that air supports burning?

Ans: Take a candle. Place it in a tub. Light the candle and also fill the tub with some water. Cover the candle with an inverted glass. You will find that the candle blows out after burning for some time, and the water level inside the inverted glass rises up to some extent. The component, oxygen, of air inside the glass is used up in burning. Therefore, water occupies that space. This shows that air supports burning.

Q4. How will you show that air is dissolved in water?

Ans: To show that air is dissolved in water we take water in a pan and heat it. Just before it boils, you will notice some bubbles at the inner surface of the pan. These bubbles are formed because of air dissolved in water.

Q5. Why does a lump of cotton wool shrink in water?

Ans: A lump of cotton wool shrinks when immersed in water. This is because air present in the cotton wool escapes. Thus, the volume of the cotton wool decreases.

Q6. The layer of air around the earth is known as ___________.

Ans: The layer of air around the Earth is known as atmosphere.

Q7. The component of air used by green plants to make their food, is ___________.

Ans: The component of air used by green plants to make their food is carbon dioxide.

Q8. List five activities that are possible due to the presence of air.

Ans: 1. Respiration.

2. Photosynthesis.

3. Burning.

4. Movement of sailing yachts, gliders, parachutes, airplanes.

5. Generation of electricity by windmills.

Q9. How do plants and animals help each other in the exchange of gases in the atmosphere?

Ans: Plants utilize carbon dioxide present in the atmosphere for the process of photosynthesis. They release oxygen in the atmosphere. This oxygen is inhaled by humans and in turn, carbon dioxide is exhaled. In this way, plants and animals help each other in exchange of gases in the atmosphere.


  1. 1. What is Air Made Of?

    • Air is a mixture of gases, primarily nitrogen (about 78%) and oxygen (about 21%), along with small amounts of other gases like carbon dioxide, argon, and traces of . other gases, as well as water vapor.

  2. 2. Why Can't We See Air?

    • Air is invisible because it is composed of gases, which are colorless and transparent. We can feel air, but we cannot see it.

  3. 3. How is Oxygen in the Air Important for Us?

    • Oxygen is essential for breathing. It is used by our bodies to convert food into energy, a process known as respiration.

  4. 4. What is the Role of Carbon Dioxide in the Air?

    • Carbon dioxide is used by plants for photosynthesis (the process of converting light into energy) and is also a key component in regulating Earth's temperature through the greenhouse effect.

  5. 5. What are the Uses of Air?

    • Air has many uses, including providing oxygen for respiration, carbon dioxide for plant growth, and nitrogen for soil health. It also helps in various weather phenomena and is essential for the survival of all living organisms.

  6. 6. Is Air Always Clean?

    • Air can be polluted by substances like smoke, dust, and chemicals. Clean air is essential for health, and air pollution can lead to health issues.

  7. 7. Can Air Be Compressed?

    • Yes, air can be compressed. This is because the particles in air can be pushed closer together under pressure. This property is utilized in various applications like air pumps and pneumatic systems.
  8. 8. What Happens to Water Vapor in the Air?

    • Water vapor in the air can condense to form clouds and precipitation. This is an essential part of the water cycle.

  9. 9. How Does Air Support Life on Earth?

    • Air supports life by providing essential gases like oxygen for animals and carbon dioxide for plants. It also protects life by forming a protective layer around the Earth, shielding it from harmful solar radiation.

  10. 10. Where Can I Find More Resources on 'Air Around Us' for Class 6?

    • You can find detailed resources, including study materials and interactive exercises, on WitKnowLearn. These resources are tailored to help students understand and learn more effectively about the "Air Around Us" chapter in Class 6.
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