Some Water Facts

Mar 22, 2012 Comments Off on Some Water Facts by

Facts about Water

1. Most of the earth’s surface is covered by water. There is much more water than there is land.

2. Water is also in abundance in the atmosphere, and in the ground.

3. The overall amount of water on our planet has remained the same for two billion years.

4. Water consists of three atoms, Hydrogen atoms (2) and one Oxygen atom. The atoms are fused together by electrical charges.

5. The weight of a water molecule depends on the number of moles present, calculated as 18 grams per mole.

6. Water helps to regulate the earth’s temperature.

7. Water freezes at zero degrees Celsius.

8. Water vaporizes at a hundred degrees Celsius.

9. Water is the only substance that is found naturally on earth in three forms: liquid, gas, solid.

10. There are two types of water; salt water and freshwater. Salt water contains some varying amounts of salt, whereas freshwater has a dissolved salt concentration of less than 1%. Only freshwater can be used as drinking water.

11. It doesn’t take much salt to make water “salty.” If one-thousandth (or more) of the weight of water is from salt, then the water is “saline.”

12. Saline water can be desalinated for use as drinking water by going through a process to remove the salt from the water.

13. Most of the earth’s surface water is permanently frozen or salty.

14. The water cycle moves water around the earth.
The cycle has five parts: evaporation, condensation, precipitation, infiltration and surface run-off.

15. In a century, a water molecule spends 98 years in the ocean, 20 months as ice, about 2 weeks in lakes and rivers, and less than a week in the atmosphere.

16. Groundwater can take a human lifetime just to traverse a mile.

17. Frozen water is 9% lighter than water, which is why ice floats on water.

18. A litre of water weighs 1.01 kilograms.

19. Water is defines as hard water when it contains a lot of calcium and magnesium.

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