L-5 The Realms of the Earth(Part-2) Class 6th D.A.V

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This video is about major landforms . There are three major landforms . Mountains , plateaus and plains .

Landforms - the differences in the height and slope of the land surface is known as relief for landforms .

Mountains - A mountain aur Hill is an uplifted portion of the land .

Peak - uppermost portion of a mountain or hill forms peak .

Range - most of the mountains are arranged in a line called range which has a series of peaks a n d valleys .

Old mountains - those mountains which have worn by the forces of nature and do not have sharp peaks .

Aravalli range in India
Ural mountain in Russia
Appalachians in USA

Young mountain - this mountain have very high and sharp peaks covered with snow recently formed near about 2 5 million years a g o .

e g - The Himalayas in Asia , The Alps in Europe , Andes in South America and Rockies in North America .

Plateaus
A plateau is an applied with rugged surface .
( a ) the average height of a plateau is about 600 metres from the sea level .
( b ) nearly 40 % of total land surface of the Earth is plateau .
(i) Plateau of Tibet is called roof of the world height is about 5,000 metres above the sea level .
(ii) the Deccan Plateau in India
(iii) the Arabian plateau
(iv) the Brazil plateau

Plains : - It is a relative leelo lying flat land.
(a) the average height of a plane is between 100 to 200 metres above the sea level.
(b ) Plains are densely populated
(c) fertile soil
(d) ideal climate

Formation of plains : -
Most of the plains in the world have been formed by river . The rivers carry away large amount of silt and sediments from the mountains and deposits in the low lying areas to form plains .

e . g ( a ) Northern Plains of India have been formed by the Ganga river.
(b) China plane have been formed by yellow river.
(c) Egyptian plain - Nile river
(d) Iraq plain - Tigris

Importance
1 . Lithosphere is the basic source of minerals essential for the needs of human being . Minerals like various metals ; oil etc are extracted from lithosphere.
2 . Lithosphere has the soil cover on which the crops are grown which give us food and oxygen .
3 . Lithosphere being the land mass support all these structures like Building , roads , rail etc .
4 . Lithosphere support the plant and animal life which help to main ecosystem in nature .

1. Test of L-10
https://docs.google.com/forms/d/e/1FAIpQLSdyJz3PTFwmsjyhjFFl5L3G77SlP-7UniRDfDEWq4gJi8yTDw/viewform?usp=sf_link

2. test of L-12
https://docs.google.com/forms/d/e/1FAIpQLScXpOy3KJLWo_v0wirMIo23RXCnQ4vuL8PKJ7FQN1gPgeJS5w/viewform?usp=sf_link

3. Test of L-21
https://docs.google.com/forms/d/e/1FAIpQLSdZvJkMHY7Oz1FROEIQpzi-8BDLdc_llZc9aRm1dbe8voAaXA/viewform?usp=sf_link

4. Test of L-3
https://docs.google.com/forms/d/e/1FAIpQLSfgPrxREg6eRnO2mga4rdT_fW_eJ5XUKwf_iNm6TFFHmocBgA/viewform?usp=sf_link

5. Test of Representation of the Earth
https://docs.google.com/forms/d/e/1FAIpQLSfMmzb9tCoxTnbjIfJ6Rdb1sMeKoxpyN25N7p4g3cIrao9foQ/viewform?usp=sf_link

6. Test of Chapter-1
https://docs.google.com/forms/d/e/1FAIpQLSdn9bvMvzRktAItRlZhIJjv2X4qX4QM3MVw_7G5NU-Bt6YdJA/viewform?usp=sf_link

7. Test of L-10(Different from 1.)
https://docs.google.com/forms/d/e/1FAIpQLSdvHkbMc_Wuclp58I3_PWc8rn39iLRAhGabXtcjQg_iTAXftA/viewform?usp=sf_link

8. Test of L-11
https://docs.google.com/forms/d/e/1FAIpQLSdvHkbMc_Wuclp58I3_PWc8rn39iLRAhGabXtcjQg_iTAXftA/viewform?usp=sf_link

9. Test of L-4
https://docs.google.com/forms/d/e/1FAIpQLScJijmBH3mNfHAT2TEWNIk1wHbt8rlsjJasCxLoMFoV_3G0cQ/viewform?usp=sf_link

10. Test of L-8
https://docs.google.com/forms/d/e/1FAIpQLSewY-OslIFMuy4MO5amP0-m1PP_Sw2s_PjEQCZaO-SJtlmbQQ/viewform?usp=sf_link



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Tags:
Landforms
mountains
plateaus
plains
peak
range
uplifted portion
old mountains
new mountains
Aravalli range in India
ural mountain in Russia
Appalachians in USA
the Himalayas in Asia
the Alps in Europe
the Andes in South America
rockies in North America
plateau of Tibet
the Deccan Plateau
the Arabian plateau
the Brazil plateau
silt and sediments
china plain
Egyptian plain
Iraq plain
Northern plains
Nile river
Tigris
ecosystem
Nepal
Mine
Class 6th
D.A.V
MI