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Home / Quizzes / H2O Quiz: 80 Thirst-Quenching Trivia Questions About Water

H2O Quiz: 80 Thirst-Quenching Trivia Questions About Water

July 22, 2023 By Trivia Bliss Staff Leave a Comment

Close up photo of water against a white background with blue text above it that reads "80 Trivia Questions About Water"

Welcome to our ‘drip-tastically’ fun water trivia quiz! This isn’t just a ‘drop in the ocean‘, folks. It’s time to ‘dive deep’ into your knowledge about H2O – the ‘spring’ of all life! So, put on your thinking ‘caps’, ‘wade’ through these questions, and ‘sea’ if you can make a ‘splash‘! It’s time to ‘whirlpool’ your brain into action. Remember, this isn’t a race. You have ‘oceans’ of time to get to the ‘bottom’ of each question. Don’t ‘water down’ your answers, just ‘go with the flow’!

1. What is the chemical formula of water?

Show answer
H2O

2. What percentage of the human body is composed of water?

Show answer
About 60%

3. What is the boiling point of water at sea level in degrees Celsius?

Show answer
100 degrees Celsius

4. Where is the world’s largest body of freshwater located?

Show answer
Lake Baikal, Russia

5. What is the rarest form of water in nature?

Show answer
Superionic water

6. What is the most expensive brand of bottled water in the world?

Show answer
Acqua di Cristallo Tributo a Modigliani

7. How long can a human typically survive without water?

Show answer
3 to 5 days

8. Which planet in our solar system has evidence of water ice on its surface?

Show answer
Mars

9. What is the deepest part of the ocean called?

Show answer
The Challenger Deep in the Mariana Trench

10. What is the largest species of water-dwelling mammal?

Show answer
The Blue Whale

11. What was the first country to implement desalination on a large scale?

Show answer
Saudi Arabia

12. How many liters of water are required to produce a single liter of bottled water?

Show answer
Around 3 liters

13. What is the world’s largest ocean?

Show answer
The Pacific Ocean

14. What is the fastest aquatic animal?

Show answer
The sailfish

15. How many known states of water are there?

Show answer
Three: Solid, Liquid, and Gas

16. Where is the world’s highest waterfall located?

Show answer
Angel Falls, Venezuela

17. Which continent is considered the driest in the world?

Show answer
Antarctica

18. Who invented the first practical water-powered turbine?

Show answer
Benoit Fourneyron

19. What is the most significant greenhouse gas after water vapor?

Show answer
Carbon dioxide

20. Where was the oldest known water on Earth discovered?

Show answer
In a mine in Ontario, Canada

21. What is the record for the longest amount of time a human has held their breath underwater?

Show answer
24 minutes and 3 seconds, by Aleix Segura Vendrell

22. What is the highest lake above sea level in the world?

Show answer
Ojos del Salado pool, Chile

23. Where is the world’s deepest underwater cave?

Show answer
Hranice Abyss, Czech Republic

24. What causes the color of the Blue Lagoon geothermal spa in Iceland?

Show answer
Silica, algae, and minerals

25. What is the largest dam in the world by volume?

Show answer
Tarbela Dam, Pakistan

26. How much of the Earth’s water is salt water?

Show answer
97.5%

27. What was the first water-based theme park in the world?

Show answer
Wet ‘n Wild Orlando, USA

28. What is the most massive waterfall under the sea?

Show answer
Denmark Strait cataract

29. What causes a water spout?

Show answer
Intense rotating updrafts under a storm cloud over water

30. What is the largest species of water-dwelling bird?

Show answer
The Dalmatian pelican

31. Who invented the first successful steam-powered boat?

Show answer
Robert Fulton

32. What is the most saline body of water in the world?

Show answer
Don Juan Pond, Antarctica

33. How much water does the Amazon River discharge into the Atlantic Ocean per second?

Show answer
Approximately 209,000 cubic meters per second

34. Which country has the most lakes in the world?

Show answer
Canada

35. What is the highest tide ever recorded and where?

Show answer
16.1 meters at Burntcoat Head, Nova Scotia, Canada

36. Who invented the first practical water-powered clock?

Show answer
Ctesibius of Alexandria

37. What is the largest coral reef system in the world?

Show answer
The Great Barrier Reef, Australia

38. How many gallons of water does an average American household use per day?

Show answer
Around 300 gallons

39. What is the longest river in the world?

Show answer
The Nile River

40. What is the heaviest bony fish found in the ocean?

Show answer
The Ocean Sunfish (Mola Mola)

41. What is the name of the first person to swim the English Channel?

Show answer
Captain Matthew Webb

42. Where is the world’s highest navigable lake?

Show answer
Lake Titicaca, South America

43. How much of the world’s water is available for human use?

Show answer
Less than 1%

44. What causes the phenomenon of “bioluminescence” seen in some bodies of water?

Show answer
Bioluminescent organisms like certain types of phytoplankton

45. What is the biggest species of water-dwelling reptile?

Show answer
The saltwater crocodile

46. Who invented the first practical method for water disinfection?

Show answer
William Soper

47. What causes the unique smell of rain?

Show answer
A molecule called geosmin, released by bacteria in the soil

48. Where is the world’s largest underwater museum?

Show answer
Cancun, Mexico

49. What is the hottest geothermal hot spring in the world?

Show answer
Frying Pan Lake, New Zealand

50. What is the largest known underwater cave system in the world?

Show answer
Sac Actun, Mexico

51. Who was the first woman to swim the English Channel?

Show answer
Gertrude Ederle

52. What is the most common gas dissolved in seawater?

Show answer
Nitrogen

53. Where is the world’s largest reservoir by volume?

Show answer
Lake Baikal, Russia

54. What is the most radioactive body of water on earth?

Show answer
Lake Karachay, Russia

55. What is the longest living species of water-dwelling animal?

Show answer
The Greenland shark

56. Which country was the first to legislate the human right to water and sanitation?

Show answer
Uruguay

57. What causes most of the color variation in different bodies of water?

Show answer
Reflection and absorption of light

58. Where is the world’s highest tide-generating power station located?

Show answer
The Sihwa Lake Tidal Power Station, South Korea

59. What is the most dangerous water sport?

Show answer
White water rafting

60. Who was the first person to successfully row across an ocean solo?

Show answer
John Fairfax

61. What percentage of Earth’s water is frozen in glaciers and ice caps?

Show answer
About 1.7%

62. What is the fastest species of water-dwelling invertebrate?

Show answer
The squid

63. Where is the world’s largest ice cave located?

Show answer
Eisriesenwelt, Austria

64. What is the record for the longest scuba dive in open water?

Show answer
51 hours and 4 minutes by Cristian Vergara

65. What is the largest source of freshwater pollution in the United States?

Show answer
Agricultural runoff

66. Who was the first person to reach the lowest point in the ocean?

Show answer
Don Walsh and Jacques Piccard

67. Where is the world’s largest floating solar farm?

Show answer
Huainan, China

68. What causes the unusual boiling activity of geysers?

Show answer
Heating of underground water by volcanic activity

69. What is the heaviest species of water-dwelling mammal?

Show answer
The Blue Whale

70. Which country was the first to successfully convert seawater into potable water on a large scale?

Show answer
Saudi Arabia

71. What percentage of the world’s water is contained in the oceans?

Show answer
About 97.5%

72. What is the fastest growing plant in water?

Show answer
Duckweed

73. Where is the world’s largest lagoon?

Show answer
The New Caledonian barrier reef

74. What is the highest wave ever recorded?

Show answer
A 19-meter wave near Scotland in 2016

75. Who invented the first water-powered spinning frame?

Show answer
Richard Arkwright

76. Where is the world’s largest sand island?

Show answer
Fraser Island, Australia

77. What is the most venomous water-dwelling creature?

Show answer
The box jellyfish

78. Which country was the first to use water clocks?

Show answer
Ancient Egypt

79. What causes the green color of emerald lakes and pools?

Show answer
Reflection of light off of minerals and algae in the water

80. Who was the first person to swim around the world?

Show answer
Martin Strel

Final Words

Wow, what a ‘whale’ of a time! You’ve ‘streamed’ through our water quiz like a pro! If this didn’t ‘wet’ your appetite for trivia, we don’t know what will. Now, don’t just ‘float’ there – visit Trivia Bliss for more trivia quizzes that are sure to ‘make waves’! Stay ‘hydrated’, trivia lovers!

Filed Under: Quizzes Tagged With: h2o, H2O quiz, questions and answers, quiz, quizzes, trivia, trivia questions, trivia questions and answers, water, water quiz, water trivia, water trivia questions and answers

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