Physics - Heat and Temperature: Absolute scales must not have negative values, zero must be the lowest value.

Celsius is an arbitrary scale because it has negative values.

Kelvin is an absolute scale because 0 on the Kelvin scale is the temperature at which all movement stops, “zero” kinetic energy.

Question

Absolute scales must not have negative values, zero must be the lowest value.

Celsius is an arbitrary scale because it has negative values.

Kelvin is an absolute scale because 0 on the Kelvin scale is the temperature at which all movement stops, “zero” kinetic energy.

Lauren Noack · Accepted Answer

Arbitrary scales vs. Absolute scales

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Definition of an absolute scale.

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What scale is degrees Celsius?

Lauren Noack · Answer

What scale is Kelvin?

Absolute scales must not have negative values, zero must be the lowest value. Celsius is an arbitrary scale because it has negative values. Kelvin is an absolute scale because 0 on the Kelvin scale is the temperature at which all movement stops, “zero” kinetic energy.