The temperature 0 K is called absolute zero and corresponds to the point at which the molecules and atoms have the least possible thermal energy.
K. A Plasma lamp In physics and chemistry, a plasma is an ionized gas, and is usually considered to be a distinct phase of matter.
In this scale a temperature difference of 1 degree is the same as a 1Ktemperature difference, so the scale is essentially the same as the kelvin scale, but offset by the temperature at which water freezes (273.15 K).