World Oceans Slideshow

The world's oceans cover more than 70% of Earth's surface, yet most people can only name a few of them. If you enjoy geography challenges, you might love the Continents Facts Quiz too - it pairs really well with ocean knowledge.

• Which ocean is the largest and deepest on Earth
• The ocean that wraps around Antarctica - and why it matters
• Ranking oceans from biggest to smallest, including the kind of size comparisons you practice in the Longest Rivers by Continent quiz
• The smallest ocean and where it sits on the globe
• Basic facts about each of the five major oceans

Oceans regulate the planet's temperature, produce about half of the oxygen we breathe, and connect every country on Earth through trade. Understanding them is a great starting point for anyone curious about how the world works - and the World Wonders Slideshow is another fun way to explore what makes our planet remarkable.

More Quizzes to Try

If you want to keep testing your geography skills, check out the Identify the Country by Its Flag quiz for a visual challenge, or head over to the World Wonders Slideshow to see how much you know about Earth's most iconic places.