Discover: Ocean Literacy Principle 1: The Earth has one big ocean with many features.

Covering approximately 70 percent of Earth's surface, the ocean is a big place. Visit this section to uncover answers to questions about the physical aspects of the ocean, its water, and its basins. Learn about everything from the forces that shape ocean basins to ocean circulation, tides, sea level change, ocean water properties, and more.




These ocean facts are categorized according to the seven¬†Ocean Literacy Essential Principles and Fundamental Concepts exit icon (pdf) for grades K-12, which¬†outline the knowledge required to be considered ocean literate in accordance with the National Science Education Standards.


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