Random Oceans Fact
Get a random, true oceans fact.
Only a little over a quarter of the global seafloor has been mapped in high resolution with modern sonar.
More about this fact
- Source
- NOAA
In this list
Includes A Portuguese man o' war can still sting weeks after washing up on a beach, and its tentacles can trail around 30 metres., Coral reefs are built by tiny animals called polyps, and together they form the largest structures of biological origin on Earth., More than 90 percent of the ocean is deep ocean, lying more than 200 metres below the surface., Radiocarbon dating suggests Greenland sharks live for at least 270 years and possibly around 400, longer than any other known vertebrate., The Atlantic Ocean is widening by about 2.5 centimetres each year as the plates on either side of the Mid-Atlantic Ridge move apart., The Great Barrier Reef off Australia is the largest coral reef system in the world. and more.
About Random Fact
Random Fact serves one fact at a time from a curated list of surprising-but-true facts about space, nature, animals, history, science, language, food and the human body. Every fact names a reputable source so you can check it.
Filter by topic when you want facts about one subject.
Ideas
- Trivia warm-up: read one aloud and let people guess whether it's true.
- Classroom starter: one fact a day, then look up the source together.