CLASS - 4 || SUBJECT - SST || LESSON – 8 || CONTINENTS AND WATER BODIES||

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LESSON – 8

CONTINENTS AND WATER BODIES

QUESTIONS AND ANSWERS:-

1.     What are continents?

Continents are large landmasses which are surrounded by oceans on all four sides. They represent the primary division of the land there are seven continents on the Earth. They are Asia, Africa, North America, South America, Antarctica Europe and Australia.

 

2.     Write a short note on Asia:-

Asia is largest continent of the world both in terms of area and population. Asia is surrounded by oceans on its three sides. The Arctic Ocean is present in the north, the Pacific Ocean is in the east and the Indian Ocean is in the south, Mount Everest, the highest peak in the world, lies in this continent.

 

3.     Define seas:-

The water bodies that are smaller in size than oceans are called seas. Sea is a body of salt water which is, generally, a part of the ocean and is attached to a continent. A sea can be open like the Arabian Sea. It can also be partially surrounded by land. Such seas are extensions of oceans. For example, the Mediterranean Sea is an extension of the Atlantic Ocean and the South China Sea is a part of the Pacific Ocean.

 

4.     What is a lake?

A lake is a small water body that is bound by land on all sides. It is a depression on the land surface where water accumulates. It is filled either by surface water or ground water or both. Lakes can be found at very high altitudes and also at the sea level. Lakes can be freshwater lakes or salt water lakes.

 

5.     What is a river?

A river is a stream of water which originates from a highland. It flows continuously on a path and finally drains into a lake or a sea. The place from where a river originates is called its source. The place where a river originates is called its source. The place where the river ends into another water body is called its mouth. Rivers are a natural source of water.

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