OUR EARTH – CONTINENTS AND OCEANS Kavithaa K Dept. of social SRV Public school, Tiruchirappalli
Awareness towards COVID’19
ETIQUETTES TO BE FOLLOWED
Globe Small model of earth Sphere Water: land - 71: 29 Big Landmasses on earth surface surrounded by water on all sides – Continents Large Stretches of water separated by continents - Oceans
How continents were formed? Single supercontinent – Pangaea Continental drift
Seven continents Asia Africa North America South America Antarctica Europe Australia
Asia 1/3 rd of earth It has the World’s Most populous continent – China and India Mt. Everest – Highest peak
Asia To the North – Arctic Ocean South – Indian Ocean East – Pacific ocean
Africa Surrounded by water bodies on all sides. To the North lies the Mediterranean sea South– Southern ocean East – Indian ocean West – Atlantic ocean
Africa World’s Longest river – Nile and World’s Largest desert – Sahara are found here Suez canal in Egypt connects the Mediterranean sea to the Red sea
What is Canal? Canal is a artificial waterways used for water transport and irrigtion
MCQs How many continents are there? 8 6 7 9
MCQs How many continents are there? 8 6 7 9 Answer: 7
MCQs Longest river in the world Amazon Nile Indus Yamuna
MCQs Longest river in the world Amazon Nile Indus Yamuna Answer: Nile In which continent is it located?
MCQs Longest river in the world Amazon Nile Indus Yamuna Answer: Nile In which continent is it located? Africa
North America Christopher Columbus discovered America It is One of the Most advanced continents Mt Mc Kinley , Alaska is the highest point It lies in Northern hemisphere
South America North America and South America are joined by Isthmus of Panama Amazon rainforest is the thickest forest in the world The Andes , World’s longest mountain ranges stretch in the western part of this continent
Antarctica Coldest part of the world White continent as it remains frozen throughout the year Wildllife such as Penguins, whales, seals are found . It is surrounded by Stromy seas.
Europe Most developed countries are found here Eurasia = Europe + Asia Found in North hemisphere
Australia It is a continent and a country Island Southern hemisphere Australasia- Australia and New Zealand
Australia The Great Barrier Reef, World’s longest coral reef is found here. The great Australian desert is one of the important features in Australia.
MCQs Which is the third largest continent? Africa Australia North America Europe
MCQs Which is the third largest continent? Africa Australia North America Europe Answer: North America
MCQs Which continent is also called White continent ? Antarctica Australia North America Europe
MCQs Which continent is also called White continent ? Antarctica Australia North America Europe Answer: Antarctica
MCQs Which of the following continent is also a country? Africa Australia North America Europe
MCQs Which of the following continent is also a country? Africa Australia North America Europe Answer : Australia
MCQs Which is the Largest desert? Thar Great Australian desert Sahara Antarctic desert
MCQs Which is the Largest desert? Thar Great Australian desert Sahara Antarctic desert Answer: Sahara
Oceans Seven continents are separated by large stretches of water called oceans There are five oceans P acific ocean A tlantic ocean I ndian ocean S outhern ocean A rctic ocean Remember the word PAISA
Pacific ocean Largest and deepest ocean Circular in shape It separates Americas from Asia and Australia It has the World’s Deepest trench , Mariana trench (10,994 m depth)
Atlantic ocean Second largest ocean It separates Americas from Europe and Africa S shaped
Atlantic ocean Unique feature – Mid-Atlantic Ridge, a submerged mountain range
Indian ocean Only ocean named after a country i.e., India To the north – Asia East – Africa West- Australia Two important parts of Indian ocean – Arabian sea and Bay of Bengal
Southern ocean Surrounds Antarctica Lies in Southern hemis Formed by merging of Pacific , Atlantic and Indian oceans
Arctic ocean Smallest ocean As it is situated inArctic circle , it is covered by ice all the time North pole is located here Northernmost point on the earth
MCQs What is the name of the deepest trench in the world?
Mcqs What is the name of the deepest trench in the world? Ans : Mariana trench
MCQs What is the smallest ocean in the world ? Pacific Arctic Atlantic Indian
MCQs What is the smallest ocean in the world ? Pacific Arctic Atlantic Indian Answer : Arctic ocean