SEBA Class 7 Social Science Chapter 2 Interior of the Earth

SEBA Class 7 Social Science Chapter 2 Interior of the Earth Solutions English Medium As Per New Syllabus Provided by The Roy Library. SEBA Class 7 Social Science Chapter 2 Interior of the Earth 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 2 Interior of the Earth

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.

Interior of the Earth

Part – 1: Geography

Exercise

1. Choose the correct answer:

(a) The earth from its surface to the centre is composed of 4/3/2 layers.

Ans: 3 layers.

(b) The earth’s crust is about 20/30/25 km thick.

Ans: About 30 km thick.

(c) The centre of centre of the earth means crust/mantle/core.

Ans: Core.

(d) Fossils are generally found in Sedimentary/Igneous/Metamorphic rocks.

Ans: Sedimentary rocks.

(e) The hardest mineral is gold/diamond/zinc.

Ans: Diamond.

2. Fill in the blanks:

(a) _________ increases as we go deeper from the crust to the interior of the earth.

Ans: Temperature.

(b) The earth’s crust is also known as _________.

Ans: Lithosphere.

(c) Soil is composed of _________ and ________ matters.

Ans: Mineral and organic matters.

(d) Rocks formed due to cooling of magma are called _________.

Ans: Igneous rocks.

(e) Minerals are generally _________ materials.

Ans: Natural.

3. Write short notes (in about 30 words):

(a) What do you understand by earth’s crust?

Ans: The earth’s crust is the outermost and thinnest layer of the earth. It forms the surface of the continents and ocean basins and is made up of rocks and minerals.

(b) What are igneous rocks?

Ans: Igneous rocks are formed by the cooling and solidification of molten magma or lava. They are called primary rocks and are the source of formation of other rocks.

(c) What is soil?

Ans: Soil is the uppermost loose layer of the earth’s surface formed by the weathering of rocks. It contains mineral particles, organic matter, air and water and supports plant growth.

(d) What are minerals?

Ans: Minerals are naturally occurring inorganic substances found in the earth’s crust. They have definite chemical composition and are used by human beings for various purposes.

(e) What is ‘humus’?

Ans: Humus is the dark organic matter in soil formed by the decomposition of dead plants and animals. It increases soil fertility and helps in the growth of plants.

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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