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Quiz: How well do you know this water world?

It is no secret that we live on a planet that is mostly covered with water. Just look at a satellite photo of earth and you will quickly get the message – planet earth is a water world but not to be confused with the 1995 movie Waterworld staring Kevin Costner. Bodies of water, living things and beings, liquids all have water in varying degrees. Most importantly, this odorless, tasteless and mostly colorless substance is essential to life on earth and is a driving force in world economies. Water can appear in three states; liquid(which is referred to as water), solid(frozen water) and gas. Test your knowledge on water with this quiz. Have fun!


Some images courtesy Pixaby. Other images are mine.


  • Question of

    Water is a chemical substance

    • True
    • False
  • Question of

    How much of the earth’s surface is covered by water?

    • 52%
    • 84%
    • 71%
  • Question of

    Water is composed of which of these two elements?

    • Hydrogen and Nitrogen
    • Nitrogen and Sodium
    • Hydrogen and Carbon
  • Question of

    How many children do you believe die every hour from unsafe drinking water?

    • About 600
    • About 200
    • About 150
  • Question of

    What percentage of the human brain is water?

    • 50%
    • 90%
    • 70%
  • Question of

    How long can a human be expected live without water?

    • A week
    • 3 days
    • 10 days
  • Question of

    Which of these items use the most water (about 3,000 gallons) to produce

    • A gallon of wine
    • A pound of chocolate
    • A pound of beef
  • Question of

    About 68% of the world’s fresh water is trapped here

    • Underground
    • In glaciers
    • In the oceans
  • Question of

    A tree is made up of this much water

    • 25%
    • 52%
    • 75%
  • Question of

    It is the largest ocean on earth

    • The Indian Ocean
    • The Pacific Ocean
    • The Atlantic Ocean
  • Question of

    Drinking excessive amounts of water can cause this

    • Hypertermia
    • hyperhydration
    • dehydration
  • Question of

    Ocean tides are the result of these occurrences

    • a) the rotation of the earth
    • b) the gravatationla pull of the moon and sun on the water
    • c) all of the above
  • Question of

    Can you name the longest River in the world?

    • The Amazon
    • The Nile
    • The Yangtze
  • Question of

    Water can flow upwards in tubes against the force of gravity. What is the term for this action?

    • Capillary
    • Ancillary
    • Antigravity
  • Question of

    What is the ph level of pure water?

    • 7
    • 6
    • 5


What do you think?

16 points

Written by Gloridaze

Content AuthorYears Of Membership


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