CBSE Class 7 Social Science Air Worksheet Set A

Download printable Social Science Class 7 Worksheets in pdf format, CBSE Class 7 Social Science Air Worksheet Set A has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Social Science Class 7 Assignments and practice them daily to get better marks in tests and exams for Grade 7. Free chapter wise worksheets with answers have been designed by Standard 7 teachers as per latest examination pattern

Worksheet for Class 7 Social Science Our Environment Chapter 4 Air

Class 7 Social Science students should refer to the following printable worksheet in Pdf for Our Environment Chapter 4 Air in Grade 7. This test paper with questions and solutions for Standard 7 Social Science will be very useful for tests and exams and help you to score better marks

Our Environment Chapter 4 Air Class 7 Social Science Worksheet Pdf

AIR

I. NAME THE FOLLOWING:
 
1. The greenhouse gas without which the earth would have been too cold to live:_________________
 
2. The most plentiful gas in the air: ______________
 
3. The second most plentiful gas in the air: _________________
 
4. The most important layer of the atmosphere: __________________
 
5. The layer_______________ is almost free from clouds and associated weather phenomenon, making conditions most ideal for flying aero planes.
 
6. It protects us from the harmful effect of the sun rays_____________________
 
7. The layer which helps in radio transmission___________________
 
II. FILL IN THE BLANKS:
 
1. Carbon dioxide released in the atmosphere creates an ________________ effect by trapping the heat radiated from the earth.
 
2. The huge blanket of air around the earth is called__________________
 
3. Green plants produce oxygen during____________________
 
4. Green plants use carbon dioxide to make their food and release_______________
 
5. Almost all the weather phenomena like rainfall, fog and hailstorm occur in ____________________
 
6. One important feature of stratosphere is that it contains a layer of ___________ gas.
 
7. ___________________ burn up in Mesosphere on entering from the space.
 
8. The upper most layer of the atmosphere is known as ________________
 
III ANSWER IN 2 POINTS:
 
1. Write two effects of global warming
 
2. How is the balance of oxygen maintained in the atmosphere?
 
3. How do plants take nitrogen?
 
IV ANSWER IN 3 POINTS:
 
4. Explain ‘Global Warming’.
 
5. How does air circulation take place?
 
V. ANSWER IN 4 POINTS:
 
6. Explain how the climate and weather of the earth is being adversely affected
 
 VI OBSERVE THE DIAGRAM GIVEN BELOW AND LABEL IT:

CBSE Class 7 Social Science Air Worksheet Set A


Please click on below link to download CBSE Class 7 Social Science Air Worksheet Set A

Our Environment Chapter 09 Life in the Temperate Grasslands
CBSE Class 7 Social Science Geography Life in The Temperate Grassland Worksheet
Social and Political Life II Chapter 07 Markets Around Us
CBSE Class 7 Social Science Civics Markets Around Us Worksheet
Social and Political Life II Chapter 08 A Shirt in the Market
CBSE Class 7 Social Science Civics A Shirt in The Market Worksheet

More Study Material