The Celsius temperature scale, also known as the centigrade scale, is one of the most commonly used temperature scales in the world. This scale is based on two reference points: the boiling point and melting point of water at standard atmospheric pressure.
Range of the Celsius scale determined by the boiling point and melting point of water
The boiling point of water is the temperature at which water changes its state from a liquid to a gas at standard atmospheric pressure. This temperature is 100 degrees Celsius on the Celsius scale. In contrast, the melting point of water is the temperature at which water changes its state from a solid to a liquid at standard atmospheric pressure. This temperature is 0 degrees Celsius on the Celsius scale.
The range of the Celsius scale is therefore determined by these two reference points. The boiling point of water sets the upper limit of the scale, while the melting point of water sets the lower limit. The range of the Celsius scale is thus from 0 degrees Celsius to 100 degrees Celsius.
This range is particularly useful for everyday applications, as it covers the temperature range at which water is most commonly found in its various states: solid ice, liquid water, and gaseous steam. For example, a typical indoor room temperature is around 20-25 degrees Celsius, while the freezing point of water is 0 degrees Celsius and the temperature of boiling water is 100 degrees Celsius.
It is worth noting that the Celsius scale is not the only temperature scale in use. Other common temperature scales include the Fahrenheit scale and the Kelvin scale. However, the Celsius scale is often preferred due to its simplicity and ease of use, particularly in scientific and engineering applications.
In conclusion, the range of the Celsius scale is determined by the boiling point and melting point of water at standard atmospheric pressure. This scale is useful for everyday applications and covers the temperature range at which water is most commonly found in its various states.
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