Fun Facts about Water

As we start off our series on hydration, here's some fun facts about water.

  • Blood is thicker than water, but not by much! 79% of blood IS water!

  • Get into some extra-cellular activity — water is a nutrient for every cell in the body.

  • Beat the heat — travel, hot weather, and exercise all increase the body’s need for water.

  • Fun fact to chew on — our teeth contain 10% water!

  • What do you THINK about this — 85% of the brain is water!

  • Shock absorber — water helps to protect vital organs, such as the brain, spinal cord, and interior of the eyes.

  • A little goes a long way — small sips throughout the day are a smart way to keep well watered.

  • Hydration Alert! Did you know that kids lose proportionately more fluids through sweat than adults?

  • Feel-good factor — studies show that a water loss amounting to a mere 2% of body weight can have an effect on a person’s physical endurance.

  • 97% of the Earth's water is salty. 2.1% is locked up in polar ice caps and less than 1% is available as fresh water.

  • Your body is between 60% and 70% water. This changes at different times of your life: a human fetus is around 95% water for the first months, getting to 77% water at birth.

  • Two-thirds of that water is within your cells.

  • Hot water freezes faster than cold water. This is known as the Mpemba Effect, and no-one knows why it happens.

  • Approximately 400 billion gallons of water are used in the United States per day.

  • Water can dissolve more substances than any other liquid including sulfuric acid.

  • About 6,800 gallons of water is required to grow a day’s food for a family of four.

  • Water weighs about 8 pounds a gallon.

  • A jellyfish and a cucumber are each 95% water.

  • The average cost for water supplied to a home in the U.S. is about $2.00 for 1,000 gallons, which equals about 5 gallons for a penny.

  • A person can live about a month without food, but only about a week without water.

  • Each day, we also lose a little more than a cup of water (237 ml) when we exhale it.


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2. http://www.sciencekids.co.nz/sciencefacts/water.html

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4. http://blueplanetnetwork.org/water/

5. http://www.fs.usda.gov/Internet/FSE_DOCUMENTS/stelprdb5303137.doc

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9. http://dnr.wi.gov/org/caer/ce/eek/earth/conserve.htm

10. http://www.brita.net/blue_wonder.html

11. http://www.baycountyfl.gov/water/facts.php

12. http://aqua.wisc.edu/waterlibrary/Default.aspx?tabid=74

13. http://www.unwater.org/water-cooperation-2013/water-cooperation/facts-and-figures/en/

14. http://www.campusrec.illinois.edu/goGreen/facts.html

15. http://images.fastcompany.com/magazine/154/infographic/water-world.html

16. http://science.howstuffworks.com/environmental/earth/geophysics/run-out-of-water.htm

17. http://science.howstuffworks.com/environmental/earth/geophysics/h2o.htm

18. http://www.ifad.org/english/water/key.htm

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21. http://pacinst.org/publication/10-shocking-facts-about-worlds-water/

22. http://math.ucr.edu/home/baez/physics/General/hot_water.html

23. http://www.waterwise.org.uk/pages/fun-facts.html

24. http://environment.nationalgeographic.com/environment/freshwater/water-conservation-tips/?rptregcta=reg_free_np&rptregcampaign=20131016_rw_membership_r1p_us_se_w#

25. http://environment.nationalgeographic.com/environment/freshwater/water-conservation-tips/?rptregcta=reg_free_np&rptregcampaign=20131016_rw_membership_r1p_us_se_w#

26. http://environment.nationalgeographic.com/environment/freshwater/freshwater-crisis/

27. https://donate.nationalgeographic.org/SSLPage.aspx?pid=1071

28. http://www.scientificamerican.com/article/top-10-water-wasters/

29. http://data.worldbank.org/indicator/ER.H2O.FWAG.ZS

30. http://www.sandiego.gov/water/conservation/kids/funfacts.shtml

31. http://www.cleanwaterways.org/kids/fun_facts.html

32. http://nsidc.org/cryosphere/glaciers/quickfacts.html

33. http://www.scientificamerican.com/article/strange-but-true-drinking-too-much-water-can-kill/

34. http://www.afcec.af.mil/shared/media/document/AFD-130322-056.pdf

35. http://www.transboundarywaters.orst.edu/publications/atlas/atlas_html/interagree.html

36. http://www.fao.org/ag/save-and-grow/en/5/index.html

37. http://www.epa.gov/WaterSense/pubs/fixleak.html

38. http://www.theguardian.com/science/2013/sep/26/nasa-curiosity-rover-mars-soil-water

39. http://science.howstuffworks.com/environmental/earth/geophysics/question157.htm

40. http://www.cnn.com/2009/TECH/space/11/13/water.moon.nasa/index.html?iref=24hours

41. http://www.livescience.com/32028-oldest-water-found-underground.html

42. http://online.wsj.com/news/articles/SB123483638138996305

43. http://environment.nationalgeographic.com/environment/freshwater/embedded-water/

44. http://pubs.usgs.gov/circ/circ1186/html/gen_facts.html

45. http://www.ngwa.org/Fundamentals/use/Pages/Groundwater-facts.aspx

46. http://www.groundwater.org/get-informed/facts.html

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