NCERT Solutions Class 6 Science Chapter 15 Air Around Us have been provided below and is also available in Pdf for free download. The NCERT solutions for Class 6 Science have been prepared as per the latest syllabus, NCERT books and examination pattern suggested in Class 6 by CBSE, NCERT and KVS. Questions given in NCERT book for Class 6 Science are an important part of exams for Class 6 Science and if answered properly can help you to get higher marks. Refer to more Chapter-wise answers for NCERT Class 6 Science and also download more latest study material for all subjects. Chapter 15 Air Around Us is an important topic in Class 6, please refer to answers provided below to help you score better in exams
Chapter 15 Air Around Us Class 6 Science NCERT Solutions
Class 6 Science students should refer to the following NCERT questions with answers for Chapter 15 Air Around Us in Class 6. These NCERT Solutions with answers for Class 6 Science will come in exams and help you to score good marks
Chapter 15 Air Around Us NCERT Solutions Class 6 Science
Question.1
What is the composition of air?
Answer.
Air is a mixture of nitrogen, oxygen, small amount of carbon dioxide, water vapour and some other gases. Nitrogen constitutes 78% of the air. Oxygen
constitutes 21% of the air. Carbon dioxide, water vapour and other gases constitute only 1% of the air.
Question.2
Which gas in the atmosphere is essential for respiration?
Answer.
Oxygen is essential for respiration
Question.3
How will you prove that air supports burning?
Answer.
To prove that air supports burning, we will perform an activity.
To perform this activity, things required are candle, water, container and matchbox.
First of all take a container and fix a candle in the middle of the container. Fill the container with some water. Now, light the candle and container. then cover it with an inverted container
After some time, it is observed that candle extinguishes. Candle extinguishes because the amount of air is limited inside the inverted container. Hence,
supply of oxygen is also limited. Once oxygen is completely consumed, the candle blows off. This proves that oxygen is essential for burning.
Question.4
How will you show that air is dissolved in water?
Answer.
To show that air is dissolved in water, take some water in a pan and heat it slowly. Just before the water begins to boil, look carefully at the bottom of
the pan. Tiny air bubbles are seen at the bottom of the pan before the water actually boils. These air bubbles come from the air dissolved in water. When
we heat the water, air dissolved in it escapes.
Question.5
Why does a lump of cotton wool shrink in water?
Answer.
A lump of cotton wool shrinks in water because when it is immersed in water, air present in it escapes and it reduces in size.
Question.6
The layer of air around the earth is known as _____.
Answer.
The layer of air around the earth is known as atmosphere.
Question.7
The component of air used by green plants to make their food, is _______.
Answer.
The component of air used by green plants to make their food, is carbon dioxide.
Question.8
List five activities that are possible due to the presence of air.
Answer.
Activities that are possible due to the presence of air are:
1. Photosynthesis
2. Respiration
3. Flight of birds, bats and insects
4. Movement of sailing yachts, gliders, parachutes and aeroplanes
5. Generation of electricity by windmill
Question.9
How do plants and animals help each other in the exchange of gases in the atmosphere?
Answer.
During photosynthesis plants take carbon dioxide from atmosphere and make their own food and oxygen is produced in this process. Plants also
consume oxygen during respiration but amount of oxygen released during photosynthesis is more than the amount of oxygen used during respiration.
Animals inhale oxygen produced by plants and in turn, carbon dioxide is produced.
In this way, plants and animals help each other in the exchange of gases in the atmosphere.
Question. After we take a deep breath our lungs would look like
(a) a balloon without air.
(b) a balloon filled with air.
(c) a beaker filled with water.
(d) an empty beaker.
Answer : B
Question. Which of these is common to both BURNING and RESPIRATION?
(a) Both produce oxygen.
(b) Both produce carbon dioxide.
(c) Both consume energy.
(d) Both consume energy.
Answer : B
Question. Which type of pollution is caused by bursting a lot of crackers during Diwali?
(a) Water pollution
(b) Air and sound pollution
(c) Light and sound pollution
(d) Only sound pollution
Answer : B
Question. Factories usually have chimneys to :
(a) Reduce noise pollution.
(b) Reduce water pollution.
(c) Disperse harmful gases.
(d) Make the buildings more beautiful.
Answer : C
Question. Sponge is a porous material. What will happen when a piece of sponge is lowered quickly in water and squeezed under water?
(a) The sponge will become hard.
(b) The sponge will not get wet.
(c) The air trapped in the pores will rush out and bubbles will be seen in the water
(d) The sponge will dissolve in water.
Answer : C
Question. Which of the following infections is caused by a virus?
(a) Typhoid
(b) Malaria
(c) Jaundice
(d) Polio
Answer : D
Question. The figure given alongside gives the approximate break up of the waste from a household. If paper and cardboard, glass, metals and plastics can be recycled and the others cannot . Which graph BEST represents this waste distribution?
(a) A
(b) B
(c) C
(d) D
Answer : B
Question. Neeta, Usha and Ganesh make lists as follows:
Neeta's list : Insects that have 4 stages in their life cycle .
Usha's list : Insects that spread diseases Ganesh's list : Animals that spread diseases through contaminated food and water . Which of the following animals would be in all their lists?
(a) Rats
(b) Mosquito
(c) Housefly
(d) No animal can be in all the lists
Answer : C
Question. Using a bicycle to go to school is a way to
(a) recycle materials.
(b) reduce pollution.
(c) reuse natural resources.
(d) reduce garbage.
Answer : B
Question. The city authorities requested the citizens to have two separate dustbins for the waste generated in their homes as shown below. What is the most likely basis on which the authorities have made this classification?
(a) The good or bad smell of waste
(b) The bio-degradable or non-bio-degradable nature of waste
(c) The size of the waste items
(d) There is no pattern or basis.
Answer : B
NCERT Solutions Class 6 Science Chapter 1 Food Where Does It Come From |
NCERT Solutions Class 6 Science Chapter 2 Components of Food |
NCERT Solutions Class 6 Science Chapter 3 Fibre to Fabric |
NCERT Solutions Class 6 Science Chapter 4 Sorting Materials into Groups |
NCERT Solutions Class 6 Science Chapter 5 Separation of Substances |
NCERT Solutions Class 6 Science Chapter 6 Changes Around us |
NCERT Solutions Class 6 Science Chapter 7 Getting To Know Plants |
NCERT Solutions Class 6 Science Chapter 8 Body Movements |
NCERT Solutions Class 6 Science Chapter 9 The Living Organisms and Their Surroundings |
NCERT Solutions Class 6 Science Chapter 10 Motion and Measurement of Distances |
NCERT Solutions Class 6 Science Chapter 11 Light Shadows and Reflections |
NCERT Solutions Class 6 Science Chapter 12 Electricity and Circuits |
NCERT Solutions Class 6 Science Chapter 13 Fun with Magnets |
NCERT Solutions Class 6 Science Chapter 14 Water |
NCERT Solutions Class 6 Science Chapter 15 Air Around Us |
NCERT Solutions Class 6 Science Chapter 16 Garbage In Garbage Out |
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NCERT Solutions Class 6 Science Chapter 15 Air Around Us
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Chapter 15 Air Around Us Class 6 Science NCERT Solutions
The Class 6 Science NCERT Solutions Chapter 15 Air Around Us are designed in a way that will help to improve the overall understanding of students. The answers to each question in Chapter 15 Air Around Us of Science Class 6 has been designed based on the latest syllabus released for the current year. We have also provided detailed explanations for all difficult topics in Chapter 15 Air Around Us Class 6 chapter of Science so that it can be easier for students to understand all answers.
NCERT Solutions Chapter 15 Air Around Us Class 6 Science
Class 6 Science NCERT Solutions Chapter 15 Air Around Us is a really good source using which the students can get more marks in exams. The same questions will be coming in your Class 6 Science exam. Learn the Chapter 15 Air Around Us questions and answers daily to get a higher score. Chapter 15 Air Around Us of your Science textbook has a lot of questions at the end of chapter to test the students understanding of the concepts taught in the chapter. Students have to solve the questions and refer to the step-by-step solutions provided by Science teachers on studiestoday to get better problem-solving skills.
Chapter 15 Air Around Us Class 6 NCERT Solution Science
These solutions of Chapter 15 Air Around Us NCERT Questions given in your textbook for Class 6 Science have been designed to help students understand the difficult topics of Science in an easy manner. These will also help to build a strong foundation in the Science. There is a combination of theoretical and practical questions relating to all chapters in Science to check the overall learning of the students of Class 6.
Class 6 NCERT Solution Science Chapter 15 Air Around Us
NCERT Solutions Class 6 Science Chapter 15 Air Around Us detailed answers are given with the objective of helping students compare their answers with the example. NCERT solutions for Class 6 Science provide a strong foundation for every chapter. They ensure a smooth and easy knowledge of Revision notes for Class 6 Science. As suggested by the HRD ministry, they will perform a major role in JEE. Students can easily download these solutions and use them to prepare for upcoming exams and also go through the Question Papers for Class 6 Science to clarify all doubts
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