Glossary and Important Information - Physical Features of India Class 9 Notes | EduRev

Social Studies (SST) Class 9

Created by: C K Academy

Class 9 : Glossary and Important Information - Physical Features of India Class 9 Notes | EduRev

The document Glossary and Important Information - Physical Features of India Class 9 Notes | EduRev is a part of the Class 9 Course Social Studies (SST) Class 9.
All you need of Class 9 at this link: Class 9

Glossary and Important Information

1. Tarai Zone: It is a Zone next to the bhabar which is wet and marshy. It has a thick forest cover and a variety of wildlife.

2. Water divide: The upland that separates the flow of two rivers or river system.

3. Delta: It is a triangular deposition of sediment at the mouth of a river. The river become slow at the mouth of the sea, so mud and silt settle down and from the delta.

4. Estuary: It is a narrow deep valley at the mouth of a river where currents or tides are strong or the current of the river itself is swift.

5. Tributary: A river which joins the main river and increase the volume of water.

6. Plate Tectonic: The scientific concept which explains the movements of the different plates of the crust of the earth.

7. Gondwana land: A major portion of the crust which once incorporated Australia, Peninsular India south Africa and south America.

Glossary and Important Information - Physical Features of India Class 9 Notes | EduRevFig. Fabled continent Gondwana Land

8. Tethys Sea: A narrow sea with a sinking bottom lying between Gondwana land in the south and Angara land in the north.

9. Flood Plain: A plain formed by the sediment deposited by the rivers years after year.

10. Bar: A deposit of sand or mud in the river channel.

11. Levees: An elevated bank flanking the channel of a river and standing above the level of the flood plains.

12. Lagoon: A salt water lake separated from the sea by the sandbars.

13. Glacier: Slow moving rivers of snow & ice.

14. Pass: A gap in mountain range providing a natural route across.

15. Alluvial Plains: Flat low lying lands made of the alluvium.

16. Diverging plate: Plates which are moving away form each other.

17. Converging Plate: Plates which are coming together.

18. Pernnial Rivers: Rivers which flow through out the year.

19. Fold mountain: The fold mountains formed during the most recent major phase of folding in the earth’s crust.

20. Coral Polyps: Coral polyps are short, lived microscopic organisms which live in colonies.

21. A Distributary: A distributary is that river which originates from a main river. It is formed near the river's mouth before it falls into the sea.     

22. Gorge: The steep-sided narrow and deep valley of a river formed in its upper course is termed as a Gorge or a Canyon. It is also called an I – shaped valley. For example : The Brahmaputra gorge (5500m), and the Indus gorge.

23. A Rift Valley: A rift valley is the valley which has been formed as a result of the subsidence (sinking) of the landmass between two blocks due to faulting.

24. Sand dune: A mound ridge, or low hill of loose, windblown sand.

Glossary and Important Information - Physical Features of India Class 9 Notes | EduRevFig. Sand dunes

Share with a friend

Complete Syllabus of Class 9

Dynamic Test

Content Category

Related Searches

mock tests for examination

,

Free

,

Viva Questions

,

Glossary and Important Information - Physical Features of India Class 9 Notes | EduRev

,

past year papers

,

Exam

,

video lectures

,

pdf

,

Important questions

,

practice quizzes

,

Glossary and Important Information - Physical Features of India Class 9 Notes | EduRev

,

Semester Notes

,

Extra Questions

,

study material

,

Glossary and Important Information - Physical Features of India Class 9 Notes | EduRev

,

Previous Year Questions with Solutions

,

Sample Paper

,

MCQs

,

shortcuts and tricks

,

Objective type Questions

,

ppt

,

Summary

;