The world’s oceans contain enough water to fill a cube with edges over 1000 kilometres (621 miles) in length.

Ocean tides are caused by the Earth rotating while the Moon and Sun’s gravitational pull acts on ocean water.

While there are hundreds of thousands of known marine life forms, there are many that are yet to be discovered, some scientists suggest that there could actually be millions of marine life forms out there.

Oceans are frequently used as a means of transport with various companies shipping their products across oceans from one port to another.

The largest ocean on Earth is the Pacific Ocean, it covers around 30% of the Earth’s surface.

The Pacific Ocean’s name has an original meaning of ‘peaceful sea’.

Around 20% of the world's oxygen is found in the ocean.

Some of Earth's most interesting creatures are found in the ocean, everything from bioluminescent fish to giant squid!

The Pacific Ocean’s name has an original meaning of ‘peaceful sea’.

Located to the east of the Mariana Islands in the western Pacific Ocean, the Mariana Trench is the deepest known area of Earth’s oceans. It has a deepest point of around 11000 metres (36000 feet).

The Pacific Ocean contains around 25000 different islands, many more than are found in Earth’s other oceans.

The Pacific Ocean is surrounded by the Pacific Ring of Fire, a large number of active volcanoes.

The second largest ocean on Earth is the Atlantic Ocean, it covers over 21% of the Earth’s surface.

The Atlantic Ocean’s name refers to Atlas of Greek mythology.

The Bermuda Triangle is located in the Atlantic Ocean, check out our Bermuda Triangle mystery facts.

Amelia Earhart became the first female to fly solo across the Atlantic Ocean in 1932.

The third largest ocean on Earth is the Indian Ocean, it covers around 14% of the Earth’s surface.

During winter the Arctic Ocean is almost completely covered in sea ice.

While some disagree on whether it is an ocean or just part of larger oceans, the Southern Ocean includes the area of water that encircles Antarctica.

Learn more with our facts about rivers, lakes, seas and beaches.