Water Wonders Challenge

General Knowledge · 10 questions

From ice to oceans, are you ready to test your friends on water's surprising properties.

Answer each question first, then check with “Show the answer”. You can also play the same quiz in the Quizera app by searching for it in Explore, as a live game, a test or flashcards.

1. Why does ice float on liquid water?

   1. Equal density to liquid water
   2. Higher density than liquid water
   3. Lower density than liquid water
   4. Higher surface tension
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   C) Lower density than liquid water

2. At what temperature does pure water freeze at standard atmospheric pressure?

   1. 10 °C
   2. 4 °C
   3. 0 °C
   4. −10 °C
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   C) 0 °C

3. At approximately what temperature does fresh water reach its maximum density?

   1. 10 °C
   2. 20 °C
   3. 0 °C
   4. 4 °C
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   D) 4 °C

4. How does dissolved salt affect seawater's freezing point?

   1. Equal freezing and boiling points
   2. A lower freezing point
   3. A higher freezing point
   4. No change in the freezing point
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   B) A lower freezing point

5. Which property makes the surface of a water droplet behave like a stretched film?

   1. Specific heat
   2. Surface tension
   3. Vapor pressure
   4. Thermal conductivity
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   B) Surface tension

6. What is the rise of water in a narrow tube called?

   1. Capillarity
   2. Sublimation
   3. Osmosis
   4. Diffusion
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   A) Capillarity

7. At about 20 °C, in which medium does sound travel faster than in air?

   1. Argon gas
   2. Dry air
   3. Liquid water
   4. Carbon dioxide gas
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   C) Liquid water

8. What kind of tide occurs when the Sun, Earth, and Moon are nearly aligned?

   1. Neap tide
   2. Mixed tide
   3. Diurnal tide
   4. Spring tide
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   D) Spring tide

9. What phenomenon is formed by tiny water droplets suspended in air near the ground?

   1. Dew
   2. Fog
   3. Hail
   4. Frost
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   B) Fog

10. What can be triggered when an undersea earthquake suddenly displaces ocean water?

    1. Tsunami
    2. Storm surge
    3. Rogue wave
    4. Spring tide
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    A) Tsunami