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52 Cards in this Set

  • Front
  • Back

Earth is covered by

71% water & 29% land

1st order landforms

Continents and Oceans

2nd order landforms

Mountains,Plateaus & Plains

3rd order landforms

Valleys, Beaches & Sand dunes

7 continents

Asia, Africa, North America, South America, Antarctica, Europe & Australia

Largest continent

Asia

Smallest continent

Australia

Sangam period land classification

Kurinji, Mullai ,Marudham,Neithal, Paalai

Kurinji

Mountains and its environs

Mullai

Forests and its surroundings

Marudham

Agricultural lands and its near areas

Neithal

Sea and its environs

Paalai

Desert regions

5 Oceans

Pacific, Atlantic, Indian, Southern and Arctic Oceans

Largest Ocean and deepest ocean

Pacific Ocean

Smallest Ocean

Arctic Ocean

Isthumus

Narrow strip of land connecting 2 large landmasses or 2 water bodies

Mountains

Landforms above 600 m than surroundings,with steep slopes

International Mountain Day

December 11

Mountain Range

Mountains extending to large areas

Longest mountain range in the world

Andes in South America (7000 km)

Highest point in the world

Mt.Everest (8,848 m)

Hill stations in Tamil Nadu

Udhagamandalam,Kodaikanal,Kolli hills,Yercaud,Yelagiri etc.

Elevated portions of the earth with flat surface

Plateaus

Highest plateau in the world

Tibetan Plateau

Flat topped part of a plateau

Tableland

Main plateaus in India

Chotanagpur Plateau and Deccan Plateau

Plateaus in Tamil Nadu

Dharmapuri Plateau, Coimbatore Plateau and Madurai Plateau

Flat low-lying lands

Plains

These are cradles of civilization

Plains

Oldest of all civilization

Mesopotamian civilization

Oldest civilization of India

Indus Valley Civilization

Important river plains in Tamil Nadu

Cauvery and Vaigai

Erosion

Removal of surface material from the earth's crust

Deposition

Eroded materials deposited in low-lying areas

Earth looks blue from space

Two-thirds of earth covered by water

Vast expanse of water

Oceans

Water bodies partially or fully enclosed by land

Seas

Deepest point in the world

Mariana Trench in Pacific Ocean (10,994 m)

Chain of volcanoes around the Pacific Ocean

Pacific Ring of Fire

Pacific meaning

Calm or tranquil

Second largest Ocean

Atlantic Ocean

This ocean resembles the letter 'S'

Atlantic Ocean

The strait that connects Atlantic Ocean with the Mediterranean Sea

Strait of Gibraltar

Deepest point in Atlantic Ocean

Milwaukee Deep (8600 m)

Third largest ocean named afer our country

The Indian Ocean

The strait that connects Indian Ocean and Pacific Ocean

Malacca Strait

Strait that connects Bay of Bengal and Palk Bay

Palk Strait

Deepest Trench in the Indian Ocean

Java Trench (7,725 m)

Deepest point in the Southern Ocean

South Sandwich Trench (7,235 m)

Where is the North Pole situated

Middle of the Arctic Ocean

Deepest point in the Arctic Ocean

Eurasian Basin (5,449 m)