Do you know how old the Earth is?0:06
Some curious pupils will say that they do.0:09
Others may not be sure of the fact.0:13
So what is the age of the planet we live on?0:16
Different scientists and astronomers give different figures.0:19
But most of them agree that it is about 5,500 million years old.0:23
They also agree that our planet used to be quite different from the way we know it now.0:31
It used to be a continuous mass of land.0:37
As you see, it took the Earth a lot of time to become what it is.0:41
Let's continue collecting information about the Earth.0:46
Astronauts and cosmonauts who had their voyages into space to explore it say that our planet looks beautiful from the board of a spaceship.0:51
And many of them call the Earth a blue planet.1:00
It is not difficult to guess why there is so much water on it.1:04
Oceans and seas, lakes and rivers.1:08
The water gives the Earth its beautiful blue colour.1:12
Nowadays, scientists say there are five oceans on our planet.1:16
They are the Atlantic Ocean, that separates the Old World from America.1:21
The Pacific Ocean, that is the largest ocean.1:26
The Indian Ocean, which is the third largest ocean of the world.1:29
And the Arctic Ocean, which is the smallest and is situated at the North Pole.1:34
The fifth ocean is the Southern Ocean, near the Antarctic.1:40
There are six continents on the Earth.1:47
Eurasia is the largest.1:49
The Urals separate Europe from Asia.1:52
You can find a lot of countries in each part of this continent.1:56
Great Britain, France, Germany, Italy, Greece, Spain are in Europe, as well as Finland and Poland.2:00
China, India, Vietnam, China, Japan are in Asia.2:10
Russia and Turkey are situated both in Europe and Asia.2:15
People of different nationalities live in different countries.2:21
Their national flags and national languages are also different.2:25
Australia is not a very big continent.2:31
Some people even say that it is the Earth's largest island.2:35
Not a continent, but whatever name you give to this land, it is one of the most unusual places in the world.2:39
There is only one country there, Australia.2:47
Its capital is Canberra.2:52
Do you know where Australia is?2:54
Can you show it on the map?2:57
There are more than 40 countries in Africa.2:59
The Dark continent, as people sometimes call it, is a very interesting place and lots of tourists come to explore it and go on safari.3:02
During these trips through wild country, especially in east or Central Africa, explorers of the continent hunt and photograph big African animals.3:13
They also make photos of the national parks which are especially beautiful when the sun sets or rises.3:25
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