NCERT Solutions for Class 6 Science Chapter 15 – Air Around Us

NCERT Solutions For Class 6 Science Chapter 15 – Air Around Us tells us about air, its composition and its properties. Some of the important concepts covered in NCERT Class 6 Science Chapter 15 include the composition of air, replacement of oxygen in the atmosphere, breathing in plants and animals, and photosynthesis. All the questions are accurately answered from the exercise given at the end of this chapter. NCERT Solutions for Chapter 15 have been prepared as per the latest CBSE Class 6 Science Syllabus and NCERT textbook.  

NCERT Solutions for Air Around Us gives you a clear idea and understanding of all the important concepts covered in this chapter. It also helps you develop a strong conceptual foundation. This facilitates the easy learning of advanced topics in higher classes. These solutions cover all possible questions and question types important for the Class 6 Science exams. They have been drafted on the basis of guidelines provided by CBSE and NCERT. These comprehensive solutions help you become thorough with the chapter quickly and score more marks in your CBSE exams. 

Our easy and smart study techniques and innovative learning approaches make learning a more fun and efficient process. Our NCERT Solutions For Class 6 Science Chapter 15 – Air Around Us have been carefully designed and developed to help you expand your knowledge base, improve your retention rate, clear all your doubts and questions straight away and help you do exceptionally well in your Class 6 Science exam. 

NCERT Class 6 Science Chapter 15

NCERT Class 6 Science Chapter 15 deals with air, its composition and its properties. Chapter 15 covers all the important and major concepts mentioned in the CBSE Class 6 Science Syllabus. These topics have been mentioned below:


  • Introduction to Air Around Us


This topic of Chapter explains the presence of air around us. It teaches us that air is one of the important necessities for human beings on earth. This unit also briefs you about how air plays a vital role in breathing and burning to happen in the environment. It tells you that earth is completely surrounded by a thin layer of air. It explains to you that we cannot see air, but its presence is felt in many ways. The existence of any living creature on the planet earth is only because of the presence of air. An example of air around is the swaying of tree branches and the rustling of leaves.

  • Composition of Air

 This topic of ‘Air Around Us’ will help you understand that the air is a mixture of various components. It comprises of  78% Nitrogen, 21% oxygen, 0.9% Argon, 0.04% carbon dioxide and 1% water vapour. This part of chapter 15 will teach you about the layer which extends for many kilometres above the surface of the earth. We call it the atmosphere.

  • Availability of Oxygen to animals and plants living in water and on soil

In this topic, you will read about how oxygen is supplied to the animals and plants which live in water and also on the soil. This is one of the most interesting parts of the chapter, where you get to understand fresh and fundamental concepts. It tells you that plants breathe in carbon dioxide and breathe out oxygen. However, animals breathe in oxygen and breathe out carbon dioxide. This is how nature balances out. NCERT Solutions for Class 6 Science Chapter 15 – Air Around Us explain in-depth about this concept with various examples for easy understanding. 

  • Replacement of oxygen in the atmosphere

This topic of chapter briefs you on the oxygen level present in the air. The oxygen in the air is around 21%, and all the living organisms, including plants, need oxygen to survive. Plants are the ones who play an important role in balancing the level of oxygen and carbon dioxide in the atmosphere through the process of photosynthesis. 

In ‘Air Around Us’, you will learn about the biological process of photosynthesis. For this process, oxygen is the prime by product.  You will also learn about how fishes breathe the oxygen dissolved in water and how fire requires oxygen to sustain.

NCERT Class 6 Science Chapter 15 – Air Around Us Exercise Questions

The exercise has 9 questions. Below is the brief about each question of this exercise. 

  • Question 1 has to be answered in 1 or 2 lines about air. 
  • Question 2 asks you to mention which gas is essential for respiration. 
  • Question 3 covers the concept of the composition of the air. 
  • Question 4 asks you about the air dissolved in water. 
  • Question 5 asks you about why the lump of cotton wool shrinks in water.
  • Question 6 is fill in the blank question type. You have to answer this question with one word.
  • Question 7 covers the topic of photosynthesis.
  • Question 8 covers the topic presence of air. 
  • Question 9 covers the topic balance of air in the atmosphere. 

The exercise covers all chapters from this chapter vividly and helps you become thorough with the chapter. Our NCERT Solutions for Class 6 answer all questions from the exercise and cover all corners of the chapter.