78 Best Ocean Trivia Questions and Answers

Last Updated on January 8, 2024 by Michele Tripple

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Did you know that water covers 75% of the Earth’s surface? If you did, then our Ocean Trivia Questions are perfect for you! They’re filled with interesting facts about the big blue ocean. Just download, print, and play! 

Ready to learn how to use these ocen trivia questions and how to play? Keep reading or click here to jump right to the Ocean trivia questions!

featured image with white background, coral border, bold white title that says "Ocean Trivia" and images of ocean trivia printable sheets

Growing up in the Midwest didn’t allow me to have much experience with the ocean. Sure, I loved The Little Mermaid as much as any little girl from the 90s, but that was about the extent of my oceanic knowledge.

Now that I’m an adult and live just a few hours away from the ocean, I can live out my childhood mermaid dreams! I love taking my kids to the beach and collecting shells. My kids love to think of stories of the shells’ adventures before ending up in our bucket. 

While driving home from the beach, I love to play Trivia Games with my kids. I like that we can pick any topic that tickles our fancy. My kids love to play Animal Trivia and Science Trivia for Kids. I like to pull out Funny Trivia for Kids when we’re all in a silly mood. 

Trivia games are great after a long day at the beach because they take hardly any effort to prepare! All I have to do is pull up the list of questions on my phone, and we’re ready to play. My whole family loves to join in on the fun!

mockup image with grey and coral background, title that says "Ocean Trivia", and an images of ocean printable

Why I Love Trivia Games

Let’s face it: sometimes it’s hard to find activities that kids enjoy. They’d rather be on their phones or playing video games. At our house, we have a wide range of ages, which makes finding games that everyone can play even harder.

That’s why I love trivia games! They are great for getting kids to put away their electronics and are perfect for every age. And, bonus, working on teams helps the kids bond and become great friends. 

Listening to my kids try to figure out answers to trivia questions is always fun. I love hearing what evidence they have to defend their answers. Even though the discussions are animated, I’m always pleasantly surprised at how respectful my kids are when deciding which answer to choose. 

mockup image with coral background, white and teal title that says "Ocean Trivia", and an images of ocean printable

How To Play Trivia

You can play a trivia game almost instantly! All you need to do is gather players and a list of questions, like the Ocean Trivia below, and you’re ready to get started!

Trivia is great for groups of any size and all ages, so call all your family members and friends for a fun activity!

Once you’re ready to play, divide everyone into teams. Make sure all of the teams have skills that are evenly matched for an enjoyable game.

Pick one person to be the first reader. They will read the trivia question and award a point to the first team to answer correctly. The reader job rotates each round to allow everyone to have a chance to play.

The game ends when all of the trivia questions have been read. The teams should tally their points. Whichever team has the most points wins the game!

Benefits Of Trivia Games

  • Trivia is a fast and easy activity to put together. 
  • With the exception of any prizes you might want to give, trivia games are completely free to play.
  • Trivia is a great way to have fun while learning about any topic you can think of.
  • Kids learn how to communicate their thoughts and develop compelling points of view.
  • You can play trivia anywhere and with anyone. It’s the perfect game to bust boredom on long car rides!
mockup image with white background, coral border, teal title that says "Ocean Trivia", and an image of ocean printable surrounded by reviews

Tips and Tricks for Trivia Fun

To get the most fun out of your trivia games, check out these tips!

  • Have each team come up with a fun name.
  • Require teams to press a buzzer (or bell) before answering the question.
  • Coordinate snacks with the topics. Who wouldn’t want to eat Swedish Fish and dried seaweed when answering Ocean Trivia questions?
  • Offer a small prize to the winning team. 
  • Tell players what topics will be played beforehand so they can prepare. 

Printable Ocean Trivia Questions

Grab our printable ocean trivia questions right here to have them at your fingertips as you play! Or use out online list by scrolling down just a bit further!

Ocean Trivia Questions

Are you ready to take a swim with these Ocean Trivia Questions? Download the list to play now!

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Question: What is the deepest part of the ocean?
Answer: The Mariana Trench.
Question: Which coral system, located off the coast of Queensland, is the largest in the world, comprising of over 2,900 reefs and 900 islands, spreading over 2,300 square kilometers?
Answer: The Great Barrier Reef
Question: What British overseas territory, partially protected from severe hurricanes by a surrounding coral reef, is often associated with unexplained aircraft disappearances?
Answer: Bermuda
Question: What is currently happening to the size of the Pacific Ocean due to plate tectonics?
Answer: It’s increasing Size.
Question: The Mariana Islands consist of an arc-shaped archipelago with 15 volcanic mountains in the Pacific Ocean. Which island is the largest in this chain?
Answer: Guam
Question: What percentage of the Earth is covered by oceans?
Answer: Over 79%.
Question: Which fish, known as a “cuda” for short, belongs to the large saltwater fish of the genus Sphyraena?
Answer: Barracuda.

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Question: The Mariana Trench, the lowest known point on Earth, lies how far below sea level?
Answer: 35,797 ft.
Question: Approximately how many islands are there in the Pacific Ocean?
Answer: About 25,000
Question: Mission Park in San Diego, CA, houses a location of what animal theme park and oceanarium?
Answer: SeaWorld
Question: In which ocean is the mysterious Bermuda Triangle, also known as the Devil’s Triangle, located?
Answer: The Atlantic Ocean
Question: What causes the water near the equator to be less salty than that found in the mid-latitudes?
Answer: Because of abundant equatorial precipitation throughout the year.
Question: Until when was the ocean often called the Sea of Magellan in honor of Magellan, the explorer?
Answer: Until the eighteenth century.
Question: What is the range of surface water temperatures in the Pacific, varying from the freezing point of seawater (29.5 °F) to what temperature near the equator?
Answer: About 86 °F near the equator.
Question: Who discovered the east side of the ocean?
Answer: Spanish explorer Vasco Núñez de Balboa in 1513, after his expedition crossed the Isthmus of Panama and reached a new ocean.
Question: In contrast to bony fish, what material makes up the skeletons of Chondrichthyes, such as sharks and rays?
Answer: Cartilage.
Question: Which small, oily fish, also known as a “pilchard,” probably gets its common English name from an Italian island where it was once said to be abundant?
Answer: Sardine.
Question: Phonorids, marine animals that filter feed and build homes out of chitin, are also known as what type of worms?
Answer: Horseshoe Worms
Question: Tsunamis, caused by underwater earthquakes, have devastated many islands and, in some cases, done what?
Answer: Destroyed entire towns.
Question: On a worldwide scale, which month is the least active for tsunamis?
Answer: May, while September is the most active month.

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Question: What 360-degree seeing shark group has cephalofoil as the formal term for their distinctly shaped noggins?
Answer: Hammerhead.
Question: The low-lying coral reefs of the South Pacific have built up on what type of undersea formations?
Answer: Basaltic lava flows under the ocean’s surface.
Question: “Cetology” is the title of the 32nd chapter in which lengthy American novel that literally studies whales?
Answer: Moby Dick.
Question: Which animal holds the title of being the loudest on earth?
Answer: Sperm Whale
Question: While human beings have lungs, what do fish have?
Answer: Gills.
Question: How can the Pacific Ocean be further subdivided by the equator?
Answer: It can be divided into the Northern (North Pacific) and Southern (South Pacific) portions.
Question: What does the name “Mar Pacífico,” given by Magellan, mean in both Portuguese and Spanish?
Answer: “Peaceful sea,”
Question: In a cheesy 1978 parody movie set in the San Diego County city of Oceanside, what vegetable (or maybe fruit?) is filled in the blank in the title “Attack of the Killer _“?
Answer: Tomatoes.
Question: What is the collective term for a large group of stinging, tentacled sea creatures?
Answer: Jellyfish.
Question: What type of animal is referred to as “loggerhead” due to its prominent, large head?
Answer: Turtle

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Question: In “Finding Nemo,” what is the circus-related name of the type of anemone-dwelling fish that Nemo and his dad Marlin are?
Answer: Clownfish
Question: What Arctic whale has a spiral tusk that some scientists believe helps it attract mates?
Answer: Narwhal.
Question: Lox is a filet of the brined version of a specific type of sea critter. What type of fish is it?
Answer: Salmon
Question: In which month are all the tropical cyclone basins active?
Answer: November
Question: Despite its consolatory name, which species of lethargic shark is responsible for the fourth most human bites on record?
Answer: Nurse Shark
Question: The Pacific straddles the 180th meridian, and the West Pacific (or western Pacific, near Asia) is in which hemisphere?
Answer: The Eastern Hemisphere.
Question: Which type of animal famously caused the death of Australian crocodile hunter Steve Irwin?
Answer: Stingray.
Question: Why did Magellan name it Mar del Sur (literally, “Sea of the South” or “South Sea”)?
Answer: Because the ocean was to the south of the coast of the isthmus where he first observed the Pacific.
Question: What is the common four-letter word used for several kinds of bivalve mollusks, typically used when the mollusk is edible?
Answer: Clam.
Question: What term refers to small organisms, including both plants and animals, that are unable to move against ocean currents?
Answer: Plankton.

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Question: What is the name of the largest species of shark, reaching lengths as large as 60 feet, which is named after another large sea-dweller?
Answer: Whale Shark
Question: Which species of seal, known as Hydrurga leptonyx, gets its catlike name from the spotted pattern along its back?
Answer: Leopard Seal.
Question: What is the term used for a second type of island formed of coral, which is usually slightly larger than the low coral islands?
Answer: The uplifted coral platform, which is usually slightly larger than the low coral islands.
Question: This squid gets its name not because it has a taste for blood, but from the dark skin on its arms that makes it look like it’s wearing a Dracula-esque cape. What is it called?
Answer: Vampire Squid
Question: In which ocean are the centers of both the Southern Hemisphere and the Western Hemisphere located?
Answer: In The Pacific Ocean.
Question: The Pacific Ocean’s current name was coined by whom?
Answer: Portuguese explorer Ferdinand Magellan
Question: What toothed whale, belonging to the oceanic dolphin family, has a falsely incriminating name? Also known as orcas, they have black bodies with white undersides and patches near the eye.
Answer: Killer Whale.
Question: The lands around the Pacific Rim are known for being full of what?
Answer: Volcanoes and the lands are often affected by earthquakes.
Question: What “T” word is used to describe a wave generated by an undersea earthquake?
Answer: Tsunami.
Question: Cephalofoil is the formal term for the distinctly shaped noggins of what group of sharks, known for their 360-degree vision?
Answer: Hammerhead.

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Question: The Pacific Ocean is home to the most of “what” in the world?
Answer: Islands.
Question: What 2013 documentary, also the nickname of a “Game of Thrones” character, exposes the consequences of keeping orcas in captivity, using SeaWorld’s orca, Tilikum, as an example?
Answer: Blackfish.
Question: Sharing its name with a piece of sporting equipment, which fish is notable for the bioluminescent fishing rod-like appendage it uses to lure prey?
Answer: Football fish.
Question: Islands in the Pacific Ocean fall into four basic types. What are they?
Answer: Continental islands, high islands, coral reefs, and uplifted coral platforms.
Question: How large is the Pacific Ocean in terms of square miles?
Answer: 63,800,000 square miles
Question: The Pacific Ocean separates which continents?
Answer: Asia and Australia from the Americas.
Question: How many oceans are there on Earth?
Answer: There are 5 oceans.
Question: What is the largest mammal that lives in the ocean?
Answer: The Blue Whale.
Question: Which ocean is both the largest and deepest on Earth?
Answer: The Pacific Ocean.
Question: Why did Magellan name the ocean “Pacífico” (or “Pacific,” meaning “peaceful”)?
Answer: Because, after sailing through the stormy seas off Cape Horn, the expedition found calm waters.

in post image with white background, teal border, bold title that says "Ocean Trivia", text of trivia question, and an image of coral.

Question: Can you name the five oceans on Earth?
Answer: The Atlantic Ocean, the Pacific Ocean, the Indian Ocean, the Arctic Ocean, and the Southern Ocean.
Question: In 1519, Portuguese explorer Ferdinand Magellan embarked on a Spanish expedition to the Spice Islands and accomplished what significant achievement while sailing the Pacific from East to West?
Answer: The first world circumnavigation.
Question: Approximately what fraction of the Earth’s surface is covered by the Pacific Ocean?
Answer: One-third.
Question: The islands entirely within the Pacific Ocean can be categorized into what three main groups?
Answer: Micronesia, Melanesia, and Polynesia.
Question: Due to its vast size, the Pacific Ocean covers one-third of the Earth’s surface area, surpassing the combined area of what geographical feature?
Answer: All Earth’s land area combined.
Question: What is the approximate total water volume of the Pacific Ocean?
Answer: The Pacific Ocean has a water volume of roughly 710,000,000 km³ (170,000,000 cu mi).
Question: Callinectes sapidus, a food crab native to the western Atlantic Ocean, is easily identified by what color on its shell?
Answer: Blue Crab
Question: Which unusual shark gets its name, shared with a common kitchen item, due to the circular “plug” bites it takes out of its prey?
Answer: Cookiecutter Shark
Question: Known for their intelligence and friendliness to human beings, which marine creature is considered highly intelligent?
Answer: Dolphin.
Question: The High Islands are formed from volcanic activity, and many of them contain what specific feature?
Answer: Active volcanos.

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Question: What sea creature possesses the largest eyes of any animal on Earth, nearly 11 inches across, with lenses the size of oranges?
Answer: Squid.
Question: To the north, the Bering Strait connects the Pacific Ocean with which other ocean?
Answer: The Arctic Ocean.
Question: The archaic term “Morse” refers to which large marine mammals?
Answer: Walrus.
Question: Worldwide, when does tropical cyclone activity typically peak?
Answer: Late Summer.
Question: What is the rainforest under the sea where 25% of marine species live?
Answer: Coral reefs.
Question: What is the name of the fish that belongs to the Genus Pterophyllum and is a species of colorful freshwater fish found in basins in South America?
Answer: Angel Fish
Question: In Minnesota, a commonly-sought fish is the “Muskellunge,” which is often deemed the “ugly” variety of what family of fish? This family is distinguished by its torpedo-like form and sharp teeth.
Answer: Pike.
Question: What is the average depth of the Pacific Ocean?
Answer: 13,000 feet

There you have it, a huge list of Ocean Trivia questions! Who was the trivia champion tonight? Which questions really stumped you? Share with us in the comments!

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