🌍
Oceans Quiz
Oceans · Exam Mode
20 questions · 30 min timer · Results at the end
Earth's oceans cover approximately 71 percent of the planet's surface and are divided into five major bodies: the Pacific, Atlantic, Indian, Southern, and Arctic Oceans. The Pacifi...
Playing as a guest
You can play free without an account. Create one to save scores and resume later.
Question of
Explanation:
Choose an answer to continue. Correct answers are revealed after you finish.
Time is up! Quiz Complete!
Your score
Correct
Wrong
Want this score saved?
Create a free account to store quiz history, track streaks, and pick up where you left off. Guests can keep playing without signup.
No questions available for this topic yet.
All 20 questions in this Oceans quiz
-
Which ocean surrounds Antarctica?
- A. Southern
- B. Indian
- C. Atlantic
- D. Pacific
-
In which ocean are the Seychelles located?
- A. Indian
- B. Pacific
- C. Arctic
- D. Atlantic
-
Which ocean is to the east of the United States?
- A. Atlantic
- B. Arctic
- C. Indian
- D. Pacific
-
What is the name of the global network of ocean observing floats that measure temperature and salinity throughout the water column?
- A. SOLO System
- B. XBT Network
- C. WOCE Floats
- D. Argo Float Array
-
Which is the smallest ocean?
- A. Atlantic
- B. Pacific
- C. Indian
- D. Arctic
-
What is the name of the Atlantic Ocean's deepest point - a trench in the Caribbean?
- A. Barracuda Trench
- B. Milwaukee Deep
- C. Cayman Trough
- D. Virgin Islands Trough
-
In which ocean is the Bermuda Triangle - an area associated with mysterious ship and aircraft disappearances?
- A. North Atlantic Ocean
- B. Caribbean Sea
- C. South Atlantic
- D. Gulf of Mexico
-
What percentage of the world's oceans are considered international waters (high seas) - beyond any country's national jurisdiction?
- A. 0.64
- B. 0.57
- C. 0.33
- D. 0.46
-
What is the approximate salt content of average seawater in parts per thousand?
- A. 35 ppt
- B. 15 ppt
- C. 25 ppt
- D. 45 ppt
-
What percentage of all marine species have yet to be scientifically described according to current estimates?
- A. 0.5
- B. 0.7
- C. 0.33
- D. 0.9
-
Which is the warmest ocean in the world?
- A. Pacific
- B. Indian
- C. Atlantic
- D. Arctic
-
What is the name of the ocean floor feature formed at divergent boundaries where new oceanic crust is created?
- A. Abyssal plain
- B. Mid-ocean ridge
- C. Ocean trench
- D. Submarine canyon
-
Which ocean contains the Great Barrier Reef - the world's largest coral reef system?
- A. Indian Ocean
- B. Pacific Ocean
- C. Atlantic Ocean
- D. Southern Ocean
-
What is the name of the deep ocean phenomenon where bacteria decompose organic matter falling from above - called marine snow?
- A. Benthic feeding
- B. Biological cascade
- C. Biological pump
- D. Carbon export
-
What is the name of the large circular ocean current systems found in each of the major ocean basins?
- A. Gyres
- B. Eddies
- C. Vortices
- D. Whorls
-
What is the name of the phenomenon where sea surface temperatures in the eastern Pacific become unusually warm affecting global weather patterns?
- A. ENSO neutral
- B. La Nia
- C. El Nio
- D. Negative PDO
-
In which ocean would you find the 'Narwhal'?
- A. Indian
- B. Pacific
- C. Arctic
- D. Southern
-
Which country is bordered by both the Atlantic and Indian Oceans?
- A. Chile
- B. Australia
- C. India
- D. South Africa
-
Which ocean is the largest by surface area?
- A. Atlantic
- B. Arctic
- C. Pacific
- D. Indian
-
The 'Panama Canal' connects the Atlantic Ocean with which ocean?
- A. Southern
- B. Pacific
- C. Indian
- D. Arctic