Physics for IGCSE & O level - Thermal Effects (Section 5 - No. 50)
Which is a key difference between the Celsius and Kelvin scales?
Celsius uses degrees; Kelvin does not.
Kelvin has a lower zero point
Celsius is used for scientific work, Kelvin is not.
They measure different properties.
Explanation
The Kelvin scale starts at absolute zero, whereas the Celsius scale starts at the freezing point of water.
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