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Oceans of the World

Did you know that nearly 71% of the earth’s surface is covered with water? Earth is often referred to as the Blue Planet for that very reason. This vast amount of water is known as the World’s Ocean and it provides the earth with 97% of its water.  The World’s Ocean is comprised of five oceans: Pacific, Atlantic, Indian, Southern and Arctic.  

Oceanography is the study of the ocean and ocean life.  Despite many years of examining the ocean, almost 90% remains unexplored.  The ocean serves as habitat for almost a million species, as well as, provides earth with many resources, including food, sources of energy, sediments and medicines, in fact, every chemical that exists on earth can be found in the ocean.

June 8th is World Oceans Day. This day of observation encourages people to honor the ocean for its resources and promotes protecting the oceans from pollution and overconsumption. 

Did You Know?

  • The largest ocean on Earth is the Pacific Ocean, it covers around 30% of the Earth’s surface.
  • Oceans are often incorrectly referred to as seas. A sea is actually a smaller part of the ocean that is partly enclosed by land.
  • Earth is the only planet that is known to have oceans (or any large amounts of open liquid water).
  • Over 75% of the world’s population lives within 60 miles of an ocean coastline.
  • The world's longest mountain range is actually under the ocean and is called the Mid-Atlantic Ridge. It is over 35,000 miles long.
  • Amelia Earhart became the first female to fly solo across the Atlantic Ocean in 1932.

Check These Out!


To learn more, check these websites: 

The Ocean

National Ocean’s Service

World Ocean’s Day

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