SEBA Class 7 Social Science Chapter 3 The Earth’s Surface and its Changes

SEBA Class 7 Social Science Chapter 3 The Earth’s Surface and its Changes Solutions English Medium As Per New Syllabus Provided by The Roy Library. SEBA Class 7 Social Science Chapter 3 The Earth’s Surface and its Changes Notes is made for SEBA English Medium Students. SEBA Class 7 Social Science Question Answer We ensure that You can completely trust this content. If you learn PDF Then you can Download Now PDF. I hope You Can learn Better Knowledge.

SEBA Class 7 Social Science Chapter 3 The Earth’s Surface and its Changes

Today’s We have Shared in This Post SCERT Class 7 Social Science Textual Solutions English Medium. I Hope, you Liked The information About The SCERT Class 7 Social Science Notes in English. If you liked SEBA Class 7 Social Science Question Answer in English Then Please Do Share this Post With your Friends as Well.

The Earth’s Surface and its Changes

Part – 1: Geography

Exercise

1. Write answers to the following (within answers to thang (within 30 words):

(i) What do you by atmosphere?

Ans: The atmosphere is the blanket of air surrounding the earth. It consists of gases, water vapour and dust particles and makes life possible on the earth.

(ii)  What is the yearly movement of Plates?

Ans: An average rate of about 1.5 centimeters (0.6 inches) a year.

(iii) Write about temporary wind.

Ans: Temporary winds blow for a short period and during a particular time of the day, such as land breeze and sea breeze.

(iv) What is sand dune?

Ans: When the wind blows, it carries and transports the sands from one place to another. In some areas when the velocity of wind decreases, the blown away sand gets deposited forming low hill like structure. These are called “sand dunes’. 

(v) What is an Ox-bow lake?

Ans: Due to continuous erosion and deposition along the banks of the meander, the ends of the meander loop come closer and closer. In due course of time the meander loop cuts of from the river and forms a cut-off lake. It is called an Ox-bow lake.

2. Tick (√) the correct answers:

(i) Which of the following gases protects us from the harmful rays of the sun?

(a) Carbon dioxide.

(b) Nitrogen.

(c) Ozone.

Ans: (c) Ozone.

(ii) The deposit of glacier is called-

(a) Floodplain.

(b) Mushroom rock.

(c) Moraine.

Ans: (c) Moraine.

(iii) Which of the following is a Precipitation in the form of Water?

(a) Rain.

(b) Cloud.

(c) Ice.

Ans: (a) Rain.

(iv) The place where mushroom-shaped rocks are found is-

(a) Desert.

(b) River valleys.

(c) Floodplains.

Ans: (a) Desert.

(v) The most important atmospheric layer for human being is

(a) Mesosphere.

(b) Stratosphere.

(c) Troposphere.

Ans: (c) Troposphere.

(vi) The place where Ox-bow lakes are found is-

(a) Polar region.

(b) River valley.

(c) Desert.

Ans: (b) River valley.

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SEBA Class 8 Social Science Textual [New Edition Updated]

Sl. No.	CONTENTS
Chapter – 1	Calculation of Time on Earth
Chapter – 2	Interior of the Earth
Chapter – 3	The Earth’s Surface and its Changes
Chapter – 4	Our Environment
Chapter – 5	Resources
Chapter – 6	Man – Made Environment and Human Resource
Chapter – 7	Resources of Assam
Chapter – 8	The North East India
Chapter – 9	Climate Natural Vegetation Agriculture and Population of India
Chapter – 10	Indian After the Mauryas
Chapter – 11	Emergence of the Gupta Empire
Chapter – 12	Emergence of the Gupta Empire
Chapter – 13	Pre – Historic Assam
Chapter – 14	Sources of Medieval Indian History
Chapter – 15	The Sultanate Period of Delhi
Chapter – 16	India During Mughal Period
Chapter – 17	The Mughal Era: The Society and Culture
Chapter – 18	Markets Around Us
Chapter – 19	Planning Budget and Development
Chapter – 20	Role of Government in Economic Development
Chapter – 21	Value of Labour and Equality
Chapter – 22	Citizen and Citizenship
Chapter – 23	Election and Election Process
Chapter – 24	Democracy and Mass Media
Chapter – 25	Marginalised Group and Democratic Right