Class 5 Evs - MAHARASHTRA
Journey of a River
The chapter 'Journey of a River' in Class 5 EVS (Our Wondrous World) for MSBSHSE students explores the fascinating life cycle of a river from its origin to its destination. Students will learn how a tiny stream starts high up in the mountains, flows down through valleys and plains, and finally merges into a large water body like a sea or ocean. The chapter highlights the geological changes rivers bring, their ecological importance, human dependence on them, and the urgent need for water conservation and preventing river pollution, which are frequently tested in board exams.
Start Learning FreeKey Concepts
Source of a River
The starting point of a river, usually located in high mountains where melting snow or heavy rainfall forms small streams.
Stages of a River
A river flows through three main stages: the youthful stage in mountains, the mature stage in plains, and the old stage near the river mouth.
Tributary
A smaller stream or river that joins a larger main river along its journey.
Delta
A triangular area of land formed by deposits of silt at the mouth of a river just before it enters the sea.
River Pollution
The contamination of river water caused by human activities such as releasing factory waste, sewage, and washing clothes in the water.
Important Formulas
Board Exam Info
In the Maharashtra State Board (MSBSHSE) Class 5 EVS curriculum, this chapter typically carries 5 to 8 marks. Common question types include fill in the blanks, descriptive answers about the journey stages, short notes on river pollution, and map-based questions identifying major rivers.
Frequently Asked Questions
Where do most rivers originate?
Most rivers originate in high mountains or hills where melting snow or continuous rainfall gathers to form small streams.
What is the difference between a tributary and a delta?
A tributary is a smaller stream that flows into a main river, whereas a delta is a landform created by soil deposits at the mouth where the river meets the sea.
Why is it important to keep rivers clean?
Rivers provide drinking water, support agriculture, and are home to aquatic life, so keeping them clean is essential for human health and the environment.
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