Wednesday 15 May 2013

The Science of Water By Josh Hardy and Jackson Henneveld

The way we portray the chemical compound of H20, or water is quite fascinating. We highly value water on this earth as a way of living and a specific requisite of longevity. The molecular structure of the water molecule is riveting. One molecule encompasses two hydrogen atoms and one oxygen atom to conceive one water molecule. When a molecule is exposed at room temperature it becomes a clear, odourless, tasteless liquid. Water is usually coloured depending on its surroundings although in a clear environment it portrays a clear liquids with a slight hint of blue. Water is used in science research as a universal solvent as a lot of common chemicals dissolve in water. Therefore water is found rarely in a pure state naturally.

Water is a highly common substance that is renowned for its properties to become all three states of matter this process is commonly used in the water cycle in which rainwater is produced and utilised frequently for agricultural purposes and for daily household uses. Its boiling point is 100°c at sea level in which people boil water daily for sterilisation of possibly infectious water sources. The regular uses for boiling water include cooking of certain foodstuffs, cleaning and making delicious hot beverages. Whilst it regularly known to boil at 100°C it depends on the barometric pressure of the surrounding air that effects the boiling point of water. For example at sea level 100°c is the boiling temperature but if you were strangely boiling water at the summit of Mount Everest the boiling water temperature would be roughly 68°c.

Water has many amazing uses in the house of science and more are still yet to be discovered. We should not be taking water for granted in this society as many people do not have common access to water like us kiwis do.

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Link for picture:

beyondpenguins.ehe.osu.edu

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