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CBSE Class 6 Social Studies Worksheet

Geography - Major Domains of the Earth

1.
Write about the density of Atmosphere and why it varies. Support with examples.
2.
Why is the Northern Hemisphere called the Land Hemisphere?
3.
Name the seven major continents.
4.
Which is the third largest continent of the
The world?
5.
True or False: The level of seawater remains the same everywhere
A) true B) false
6.
The atmosphere is divided into how many
layers? Name them.
7.
What are the constituents of Lithosphere?
8.
Which is the largest continent and why?
9.
Which island is also called an island continent?
10.
How is the elevation of Land measured?
11.
Which is the highest mountain peak?
12.
How is North America linked to South America?
13.
True or False: The combined landmass of Europe and Asia is called the Eurasia.
A) true B) false
14.
Name the seven major continents.
15.
How Hydrosphere consists of water in all its
forms. Give examples.
16.
Name the three components of the Environment.
17.
Describe the composition of Atmosphere and their importance.
18.
Which is the smallest continent?
19.
True or False: All the living organisms including humans are linked to each other and to the biosphere for survival.
A) true B) false
20.
True or False: Hydrosphere comprises water in all forms.
A) true B) false

CBSE Class 6 Social Studies Worksheet

Geography - Major Domains of the Earth

Answers

1.
The density of the atmosphere varies with height. It is maximum at the sea level and decreases rapidly as we go up. You know, the climbers experience problems in breathing due to this decrease in the density of air. They have to carry with them oxygen cylinders to be able to breathe at high altitudes.
2.
The Northern Hemisphere is called the Land Hemisphere because the greater part of Earth's Landmass lies in the Northern Hemisphere.
3.
These continents are – Asia, Europe, Africa, North America, South America, Australia and Antarctica.
4.
North America is the third largest continent of the
world.
5.
Option A

6.
The atmosphere is divided into five layers based on composition, temperature and other properties. These layers starting from earth’s surface are called the troposphere, the stratosphere, the mesosphere, the thermosphere and the exosphere.
7.
It comprises the rocks of the Earth's crust and the thin layers of soil that contain nutrient elements which sustain organisms.
8.
Asia is the largest continent as it covers about one third of the total land area of the earth.
9.
Australia is called an island continent.
10.
Elevation of land is measured from the level of the sea,
which is taken as zero.
11.
Mt. Everest, 8,848 metres above the sea level.
12.
Both are linked by a very narrow strip of land called the Isthmus of Panama.
13.
Option A

14.
These continents are – Asia, Europe, Africa, North America, South America, Australia and Antarctica.
15.
Hydrosphere consists of water in all its forms. As running water in oceans and rivers and in lakes, ice in glaciers, underground water and the water vapour in atmosphere, all comprise the hydrosphere.
16.
Lithosphere, Atmosphere and Hydrosphere.
17.
The atmosphere is composed mainly of nitrogen and oxygen, which make up about 99 per cent of clean, dry air. Nitrogen 78 per cent, oxygen 21 per cent and other gases like carbondioxide, argon and others comprise 1 per cent by volume. Oxygen is the breath of life while nitrogen helps in the growth of living organisms. Carbon dioxide, though present in minute amount, is important as it absorbs heat radiated by
the earth, thereby keeping the planet warm. It is also essential for the growth of plants.
18.
Australia is the smallest continent that lies entirely in the Southern Hemisphere. It is surrounded on all sides by the oceans and seas.
19.
Option A
20.
Option A

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