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==Key Stage 5==
===Meaning===
===About the Celsius Scale===
*Defined in terms of the [[Triple Point|triple point]] of [[water]], where the [[temperature]] is exactly 0.01'''°C'''.
*Used worldwide for most [[temperature]] [[measure]]ments except in scientific research where the [[Absolute Temperature Scale|Kelvin scale]] is preferred.
*Named after the Swedish astronomer Anders Celsius.
*Commonly used in everyday [[temperature]] [[measure]]ments and weather reporting.