3 mins

Quiz: How well do you know the world's oceans?

Are you swimming in a sea of ocean-based knowledge? Perhaps you'd consider yourself an expert on the world's five oceans? Time to find out for sure with this quiz...

How well do you know the oceans of the world? (Shutterstock)

1. Which ocean is the largest and deepest?

Pacific Ocean

Atlantic Ocean

Southern Ocean

Indian Ocean

2. Which ocean is the smallest and shallowest?

Indian Ocean

Southern Ocean

Arctic Ocean

Atlantic Ocean

3. Which of these islands is NOT in the Indian Ocean?

Bora Bora

Madagascar

Pemba

Phi Phi Island

4. Which ocean has been found to be the saltiest ocean in the world?

Indian Ocean

Atlantic Ocean

Pacific Ocean

Nice try! They're all pretty salty

5. The Titanic sunk in the Atlantic Ocean. What year did it sink?

1910

1912

1923

1944

6. Can you name the deepest known point in the Pacific?

The Kermadec Trench

The Izu-Ogasawara Trench

The South Sandwich Trench

The Mariana Trench

7. The Great Barrier Reef is in the Pacific Ocean. How many individual reef systems is it made up of?

Around 200

Around 1,000

Around 3,000

Around 6,000

8. Which of these countries does not have a territory in the Arctic Ocean?

Norway

Russia

Canada

Sweden

9. The Indian Ocean touches three continents. Which of these continents does NOT touch the Indian Ocean?

Asia

Africa

Australia

South America

10. Which of these countries does NOT touch the Atlantic Ocean?

Switzerland

Spain

St Lucia

Portugal

11. What is the name of this ocean creature?

Lipstick fish

Red-lipped batfish

Big-lipped lizardfish

Lizardfish

12. The Denmark Strait cataract is the largest underwater waterfall in the world. How far does the water fall?

1,100 metres

3,505 metres

2,247 metres

5,111 metres

13. How many shipwrecks are estimated to be in the ocean?

1 million

3 million

10 million

2 billion

14. Which ocean is St Helena Island in?

Pacific Ocean

Indian Ocean

Atlantic Ocean

Southern Ocean

15. How many islands are in the Pacific Ocean?

200

1,000

2,500

25,000

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