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�WELCOME TO �SOCIAL SCIENCE�POWER POINT PRESENTATION �

CLASS: VI

TOPIC

OUR COUNTRY-INDIA

(TEXT BOOK: The Earth: Our Habitat)

PREPARED BY

SHAIK KAREEM BASHA

TGT-SOCIAL SCIENCE

JNV RANGAREDDY

TELANGANA STATE

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PERIOD -4 Begins�Eastern Ghats, Western Ghats, Coastal Plains, Rivers of India and Corals

To the west of Western Ghats and to the east of Eastern Ghats lie the COASTAL PLAINS
The Western Coastal Plains are very narrow
The Eastern Coastal Plains are very much broader
River Mahanadi, Godavari, Krishna and Kaveri flow into Bay of Bengal. They also form Deltas like the world famous “Sunderbans Delta”
River Narmada and Tapi (or Tapti) flow into Arabian Sea

CORALS AND CORAL REEF

When the polyps die their skeletons are left and other polyps grow on top of the hard skeletons which grow higher and higher and leads to the formation of “Coral Islands”

The Lakshadweep Islands located in the Arabian Sea and off the coast of Kerala are the Coral Islands

A coral reef is an underwater eco-system characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate. Most coral reefs are built from stony corals, whose polyps cluster in groups.

IMPORTANT TERMS

Tributary:
A tributary is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean.
(b) Tributaries and the main stem river drain the surrounding drainage basin of its surface water and ground water, leading the water out into an ocean.
Sunder bans Delta is in West Bengal. It is the world’s largest delta
Corals : They are skeletons of tiny marine animals called

Polyps

Tsunami: It means ‘harbour waves’ in Japanese. It is a huge sea wave generated due to an earthquake on the sea floor