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![NCERT solutions for Social Science - Our Environment [English] Class 7 chapter 4 - Air - Shaalaa.com](/images/social-science-our-environment-english-class-7_6:96b69316639844908ad98ae495e9d0c8.jpg "NCERT solutions for Social Science - Our Environment [English] Class 7 chapter 4 - Air")
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Solutions for Chapter 4: Air
Below listed, you can find solutions for Chapter 4 of CBSE NCERT for Social Science - Our Environment [English] Class 7.
NCERT solutions for Social Science - Our Environment [English] Class 7 4 Air Exercises [Pages 27 - 28]
Answer the following questions
What is atmosphere?
Answer the following questions
Which two gases make the bulk of the atmosphere?
Answer the following questions
Which gas creates green house effect in the atmosphere?
Answer the following questions
What is weather?
Answer the following questions
Name three types of rainfall
Answer the following questions
What is air pressure?
Tick the correct answer
Which of the following gases protects us from harmful sun rays?
Carbon dioxide
Nitrogen
Ozone
Tick the correct answer
The most important layer of the atmosphere is
Troposphere
Thermosphere
Mesosphere
Tick the correct answer
Which of the following layers of the atmosphere is free from clouds?
Troposphere
Stratosphere
Mesosphere
Tick the correct answer
As we go up the layers of the atmosphere, the pressure
Increases
Decreases
Remains the same
When precipitation comes down to the earth in liquid form, it is called ______.
Cloud
Rain
Snow
Match the following:
| A | B | ||
| (i) | Trade Winds | (a) | Incoming solar energy |
| (ii) | Loo | (b) | Seasonal wind |
| (iii) | Monsoon | (c) | Horizontal movement of Air |
| (iv) | Wind | (d) | Layer of ozone gas |
| (e) | Permanent wind | ||
| (f) | Local wind | ||
Give reasons.
Wet clothes take longer time to dry on a humid day?
Give reasons.
Amount of insolation decreases from the equator towards the poles?
For fun.
Solve this Crossword puzzle with the help of given clues
Across
6. An Indian tree having extraordinary quality of providing oxygen round the clock.
8. Gas present in atmosphere occupying only 0.03% by volume.
11. Outermost layer of atmosphere.
12. Mixture of many gases.
14. Life giving gas.
15. Air in motion.
16. An indian tree valued highly for medicinal properties.
18. Gas protecting us from harmful sunrays.
19. Low pressure area
Down
1. Amount of water vapour in air.
2. Condensation of water vapours around dust particles in atmosphere.
3. Example of local wind blowing in summer in northern india.
4. Short term changes in atmosphere.
5. Precipitation in liquid form.
7. Blanket of air around the earth.
9. Instrument to measure pressure.
10. Incoming solar radiation.
13. Reduces visibility in winters.
17. It is ....... time when sun is overhead.
Solutions for 4: Air
NCERT solutions for Social Science - Our Environment [English] Class 7 chapter 4 - Air
Shaalaa.com has the CBSE Mathematics Social Science - Our Environment [English] Class 7 CBSE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. NCERT solutions for Mathematics Social Science - Our Environment [English] Class 7 CBSE 4 (Air) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.
Concepts covered in Social Science - Our Environment [English] Class 7 chapter 4 Air are Composition of the Atmosphere, Weather and Climate, Atmosphere and Its Layers.
Using NCERT Social Science - Our Environment [English] Class 7 solutions Air exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in NCERT Solutions are essential questions that can be asked in the final exam. Maximum CBSE Social Science - Our Environment [English] Class 7 students prefer NCERT Textbook Solutions to score more in exams.
Get the free view of Chapter 4, Air Social Science - Our Environment [English] Class 7 additional questions for Mathematics Social Science - Our Environment [English] Class 7 CBSE, and you can use Shaalaa.com to keep it handy for your exam preparation.
