Deep Sea Exploration
1 / 15Plunge into the mysteries of the deep ocean and the brave explorers who ventured there
15 quick questionsNo sign-upFree to playTap an answer below to begin ↓
The Mariana Trench, the deepest point in the ocean, is located in which ocean?
About Deep Sea Exploration
Deep Sea Exploration is a free general knowledge quiz with 15 multiple-choice questions aimed at mixed difficulty. Plunge into the mysteries of the deep ocean and the brave explorers who ventured there A typical run takes about 7 minutes, hints are always one tap away, and your streak ticks up the first time you finish a game on a given day.
A few sample questions
1. The Mariana Trench, the deepest point in the ocean, is located in which ocean?
Answer: Pacific Ocean
2. What is the approximate depth of the Challenger Deep, the deepest known point?
Answer: About 36,000 feet
3. Which filmmaker descended solo to the bottom of the Mariana Trench in 2012?
Answer: James Cameron
4. What is the name of the deep-sea submersible that discovered the wreck of the Titanic in 1985?
Answer: Alvin
5. What phenomenon at deep-sea hydrothermal vents supports life without sunlight?
Answer: Chemosynthesis
Frequently asked questions
How many questions are in Deep Sea Exploration?
Deep Sea Exploration has 15 multiple-choice questions. Each one has four answer options and an explanation that appears after you answer, so you learn something even when you miss.
Is Deep Sea Exploration free to play?
Yes. The entire SeniorBrainGames catalog — including Deep Sea Exploration — is free, with no sign-up required, no time limits, and no ads on top of the game. It also works offline once the page has loaded once.
How long does Deep Sea Exploration take?
Most players finish Deep Sea Exploration in about 7 minutes. You can pause between questions, replay it as often as you like, and there is no penalty for taking your time — answers are explained after you submit them.
What's a good follow-up after Deep Sea Exploration?
If you enjoyed this general knowledge quiz, try the Daily Challenge — five rotating questions, refreshed every 24 hours, that count toward your streak. You can also use the Surprise Me button on the homepage to land on a different game type for variety.
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