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The NCERT Solutions for Class 6 Science Chapter 15: Air around us are provided in this article. Air is a mixture of various gases. It neither has a smell nor a taste. As it is a matter, it has a certain weight and mass. This weight of air is responsible for creating atmospheric pressure. Class 6 Science Chapter 15 covers important topics like components of air, oxygen and replacement of oxygen in the atmosphere.
Download: NCERT Solutions for Class 6 Science Chapter 15 pdf
NCERT Solutions for Class 6 Science Chapter 15
Class 6 Science Chapter 15 Air around us: Important Topics
The important topics of class 6 science chapter 15 include the following:
- Components of Air – Air is made up of a mixture of different gases present in different compositions.
| Water vapour, oxygen, carbon dioxide, nitrogen, dust and smoke are the main components of air. |
- How is Oxygen in the Atmosphere Replaced? – The process of respiration in plants and animals is responsible for maintenance of oxygen and carbon dioxide balance in the atmosphere.
| Human beings inhales oxygen and releases carbon dioxide in the air. Plants consumes oxygen for respiration but they also takes up CO2 from the atmosphere and gives back oxygen. Thus, plants are called producers of oxygen. |
- Windmill – A windmill is a structure made up of large blades that rotates using the energy from the flowing winds.
| Windmills are used to generate electricity, draw water from tubewells, run flour mills etc. |
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