CBSE Class 7 Geography Revision Worksheet Set A

Read and download free pdf of CBSE Class 7 Geography Revision Worksheet Set A. Students and teachers of Class 7 Social Science can get free printable Worksheets for Class 7 Social Science in PDF format prepared as per the latest syllabus and examination pattern in your schools. Standard 7 students should practice questions and answers given here for Social Science in Grade 7 which will help them to improve your knowledge of all important chapters and its topics. Students should also download free pdf of Class 7 Social Science Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems provided here with solutions on daily basis to get more score in school exams and tests

Social Science Worksheet for Class 7

Class 7 Social Science students should refer to the following printable worksheet in Pdf in standard 7. This test paper with questions and answers for Grade 7 Social Science will be very useful for exams and help you to score good marks

Class 7 Social Science Worksheet Pdf

Atmosphere and Temperature

Give answer to the following questions approximately in 1- 15 words

Q1. What do you understand by the Atmosphere?
Ans. The earth is surrounded by a cover of air. This cover is known as Atmosphere.


Q2. Why we study Atmosphere in Geography?

Ans. Because Atmosphere is responsible for creating and maintaining of plants and animal life on the Earth.


Q3. Name the layers of Atmosphere.

Ans. 1.Troposphere 2. Stratosphere
3. Mesosphere 4. Thermosphere (Ionosphere+ Exosphere)


Q4. Which is called Tropopause limit?

Ans. Tropopause limit is the boundary between Troposphere and Stratosphere.


Q5. What do you understand by Exosphere?

Ans. The outermost layer of Atmosphere is called Exosphere. It has gases like Hydrogen and Helium.


Q6. What are the elements other than the gases present in the Atmosphere?

Ans. Water vapours and dust particles.


Q7. What is air pollution?

Ans. Foreign substances in the Atmosphere make air unhealthy. This is called air pollution. Smoke, dust particles and pesticides are the main sources of air pollution.


Q8. What is temperature and what are the units of measuring the temperature?

Ans. The heat of the air and the internal heat of a good or living being, is called temperature. It is measured in Celsius and Fahrenheit.


Q9. Why is the temperature very high on the Equator?

Ans. The rays of the sun fall directly on the Equator. Therefore the temperature is high over there.


Q10. Why there is difference in day time and night time temperature?

Ans. The Earth gets heat from the Sun during day and releases it during the night. That's why there is a high temperature during days and low at nights.


Q11. Why temperature of Shimla is lower than that of Chandigarh?

Ans. Shimla is situated higher above the sea level than that of Chandigarh. When we go higher above the sea level, the temperature starts falling. That's why Shimla is colder than Chandigarh.


Give answers to the following questions in about 50- 60 words

Q12. What are the main factors that cause air pollution?
Ans.
Solid pollutants: -

1. Volcanoes pollute the air by dust particles.
2. Smoke from the burning of fuels release carbon particles into the air.
Gaseous pollutants:-
1. Exhaust materials of automobiles pollute the air.
2. Smog causes air pollution.


Q13. What we call the lower layer of the atmosphere?

Ans. 1. The lowest layer of the atmosphere is called Troposphere. Its average height is 12 Km.
2. The entire weather phenomenon like rainfall, storm, clouds etc. takes place only in this layer.
3. The 75% of all the air, is present in this layer.


Q14. Write the ratio of main gases in the air.

Ans. 1.Nitrogen- 78.03%, 2. Oxygen- 20.99%
3. Argon- 0.94% 4. Carbon dioxide- 0.03%
5. Hydrogen- 0.01% 6. Dust particles and water vapours.


Q15. In which layer of the Atmosphere the Ozone gas exists? Why is it so important?

Ans. Ozone gas exists in Stratosphere layer.it absorbs the Ultraviolet rays of the Sun, which are very harmful to the life of living beings on the earth.


Fill in the blanks

1. As we go up to the hills the temperature decreases.
2. The main sources of the temperature are Sun and internal part of the Earth.
3. The Ozone gas absorbs Ultraviolet rays.
4. The electrically charged particles are found in Thermosphere or Ionosphere layer.
5. The wireless communication system works under Radio waves.
6. Nitrogen gas is found in maximum quantity in atmosphere.


More Question

Q 1. Fill in the blanks. (1X10)

1. The place where the river originates is called ________________.

2. Water vapor is confined only to the ______________ layer of the atmosphere.

3. ___________ is the coldest layer in the atmosphere.

4. The steep sloping segment f the swift flowing river is called a ________________.

5. The fine duct particles deposited extensively is known as _______________.

6. The lower part of the thermosphere is called ___________________.

7. The highest waterfall in the world is _____________. It is located in ______________.

8. Weathering evolves ________ and ________________ of rocks.

Q2. Answer the following question. (2X5)

1. Write the names of different layers of atmosphere. Draw a well labeled diagram of it.

2. Why is wind the most important agent of erosion in the desert?

3. Why does the density of air decrease with increase in height?

4. Differentiate between meanders and moraines.

5. How is ox-bow lake form?

 

Please refer to attached file for CBSE Class 7 Geography Worksheets (15) - Revision Worksheet

CBSE Class 7 Civics Power Over Ballot Box Worksheet
CBSE Class 7 Civics The Role Of Government In Health Worksheet
CBSE Class 7 Civics Understanding Media Worksheet
CBSE Class 7 Civics Women Change The World Worksheet
CBSE Class 7 Geography A Shirt In The Market Worksheet
CBSE Class 7 Geography Alauddinkhilji Kingdom Worksheet Set A
CBSE Class 7 Geography Alauddinkhilji Kingdom Worksheet Set B
CBSE Class 7 Geography All Chapters Worksheet Set A
CBSE Class 7 Geography All Chapters Worksheet Set B
CBSE Class 7 Geography Atmospheric Pressure And Wins Worksheet
CBSE Class 7 Geography Civics Geography Worksheet
CBSE Class 7 Geography Democracy Worksheet
CBSE Class 7 Geography Earthquake Worksheet
CBSE Class 7 Geography Equality In Indian Democracy Worksheet Set A
CBSE Class 7 Geography History Geography Worksheet Set A
CBSE Class 7 Geography History Geography Worksheet Set B
CBSE Class 7 Geography How Surface Landforms Change Worksheet
CBSE Class 7 Geography India In The Eighteenth Century Worksheet
CBSE Class 7 Geography Interior Of The Earth Worksheet
CBSE Class 7 Geography Kings And Kingdoms Worksheet Set A
CBSE Class 7 Geography Kings And Kingdoms Worksheet Set B
CBSE Class 7 Geography Kings And Kingdoms Worksheet Set C
CBSE Class 7 Geography Life In Temperate Regions Worksheet
CBSE Class 7 Geography Monumental Architecture Worksheet
CBSE Class 7 Geography Physical And Chemical Change Worksheet
CBSE Class 7 Geography Places In Bhopal Worksheet
CBSE Class 7 Geography Razia Sultan Worksheet
CBSE Class 7 Geography Religious Developments Worksheet
CBSE Class 7 Geography Religious Ideas And Movements Worksheet
CBSE Class 7 Geography Role Played By Gender Worksheet Set A
CBSE Class 7 Geography Role Played By Gender Worksheet Set B
CBSE Class 7 Geography The Earths Structure Worksheet
CBSE Class 7 Geography The Flowering Of Regional Cultures Worksheet
CBSE Class 7 Geography Thousand Years Worksheet Set A
CBSE Class 7 Geography Thousand Years Worksheet Set B
CBSE Class 7 Geography Thousand Years Worksheet Set C
CBSE Class 7 Geography Tughlaq Dynasty Worksheet
CBSE Class 7 Geography Water Fresh And Saline Worksheet Set A
CBSE Class 7 Geography Water Fresh And Saline Worksheet Set B
CBSE Class 7 Geography Water Fresh And Saline Worksheet Set C
CBSE Class 7 Geography Women Caste And Reforms Worksheet
CBSE Class 7 History 18Th Century Political Formation Worksheet
CBSE Class 7 History The Mughal Empire Worksheet
CBSE Class 7 History Towns Traders And Craftspersons Worksheet
CBSE Class 7 History Tracing Changes Worksheet
CBSE Class 7 History Tribes Nomads Settled Communities Worksheet
CBSE Class 7 Social Science Eighteenth Century Political Formation Worksheet
CBSE Class 7 Social Science Geography And Civics Worksheet
CBSE Class 7 Social Science Geography Worksheet
CBSE Class 7 Social Science History Worksheet
CBSE Class 7 Social Science Understanding Advertising Worksheet
CBSE Class 7 Social Science Understanding Media Worksheet
Our Environment Chapter 10 Life in the Deserts
CBSE Class 7 Social Science Life In The Deserts Worksheet
Our Environment Chapter 5 Water
CBSE Class 7 Geography Water Worksheet
Our Environment Chapter 9 Life in the Temperate Grasslands
CBSE Class 7 Social Science Life In The Temperate Grassland Worksheet
Our Pasts – II Chapter 10 Eighteenth Century Political Formations
CBSE Class 7 Geography Eighteenth Century Political Formations Worksheet
Our Pasts – II Chapter 6 Towns Traders and Craftpersons
CBSE Class 7 History Towns Traders And Craft Persons Worksheet
Our Pasts – II Chapter 8 Devotional Paths to the Divine
CBSE Class 7 History Devotional Path To The Divine Worksheet
Our Pasts – II Chapter 9 The Making of Regional Cultures
CBSE Class 7 History The Making Of Regional Cultures Worksheet
Social and Political Life – II Chapter 4 Growing up as Boys and Girls
CBSE Class 7 Social Science Growing Up As Boys And Girls Worksheet
Social and Political Life – II Chapter 8 A Shirt in the Market
CBSE Class 7 Civics A Shirt In The Market Worksheet
Social and Political Life – II Chapter 9 Struggles for Equality
CBSE Class 7 Social Science Struggles For Equality Worksheet

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