Did You Know?

  • Water is made up of two elements, hydrogen and oxygen. Its chemical formula is H2O.

  • The existence of water is essential for life on Earth.

  • Water has three different states, liquid, solid and gas (e.g., water, ice and steam).

  • The freezing point of water lowers as the amount of salt dissolved in it increases. With average levels of salt, seawater freezes at    -2 °C (28.4 °F).

  • Water makes a good solvent with many sugars, salts and acids easily dissolving in it. On the other hand, oils and fats don’t mix well with water.

  • Drinking water is needed for humans to avoid dehydration. The amount each person needs during a day depends on the temperature, his or her level of activity and other factors.

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