The Earth Our Living Planet 8th Notes KSEEB Social Science
→ The earths is the home for all forms of life like plants, animals and human beings.
→ Earth’s is called by many names, living planet, Unique planet, watery planet and blue planet.
→ The ratio between the land and the water bodies is (1:2.43)
→ The earth’s shape is often described as Geoid,
→ There are seven continents namely Asia, Africa, North America, South America Antarctica, Europe and Australia.
→ There are 4 major oceans. They are the Pacific ocean. The Atlantic ocean, the Indian
Ocean and the Artie Ocean
→ The Pacific is the largest and deepest ocean.
→ Arctic is the smallest and shallowest ocean.
→ The horizontal times drawn from east to west are called latitudes.
→ The vertical lines drawn from north to south are called Longitudes.
→ The Equator is the longest line of Latitudes.
→ The verticle lines drawn from north to south are called Longitudes.
→ The equator is the longest line of Latitude known as the great circle.
→ The time according to the longitude of a place or according to the position of sun at the place is known as the local time.
→ In India 82\(\frac{1}{2}\) east Longitude is considered as the standard meridian of the country It passes through Allahabad of Uttar pradesh.