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Ocean Quiz: How Much Do You Know About the Earth?

ocean quiz

Earth is filled with large chunks of water. You may be guessing that I am talking about the oceans. Well, you are right. Oceans are bigger and older than our humanity. What they keep under a crazy amount of depth is still unknown to our kind. These ocean trivia questions are relatively hard. Here is our Ocean Quiz to test yourself on how much you actually know about these big guys.

Let’s go!

  • Question of

    How much of the earth’s surface does the ocean cover?

    • 40-50%
    • 50-60%
    • 60-70%
    • More than 70%
  • Question of

    How much of the world’s oceans have been explored?

    • Less than 5%
    • 12%
    • 24%
    • 38%
  • Question of

    How much of the United States is underwater?

    • 20%
    • 30%
    • 40%
    • 50%
  • Question of

    How many shipwrecks are in the ocean?

    • 1 million
    • 2 million
    • 3 million
    • 4 million
  • Question of

    How long is the world’s longest mountain range which is located underwater?

    • 20,000 km
    • 35,000 km
    • 50,000 km
    • 65,000 km
  • Question of

    The world’s tallest waterfall underwater, how big is the drop?

    • 1.5 km
    • 2.5 km
    • 3.1km
    • 3.5 km
  • Question of

    Which ocean is the largest?

    • Atlantic Ocean
    • Pacific Ocean
    • Indian Ocean
    • Arctic Ocean
  • Question of

    How old is the ocean?

    • 1 million years old
    • 2 millions years old
    • 2 billion years old
    • 4 billion years old
  • Question of

    What percent of earth’s living species live in the ocean?

    • 25%
    • 42%
    • 73%
    • 94%
  • Question of

    What is the average depth of ocean?

    • 1.8 km
    • 3.7 km
    • 4.0 km
    • 4.6 km

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