Temperature the International System of Units, it has subsequently been redefined in terms of the equivalent fixing points on the Kelvin scale, and so that a temperature increment of one degree Celsius is the same as an increment of one kelvin, though they differ by an additive offset of 273.15. The United States commonly uses the Fahrenheit scale, on which water freezes at and boils at at sea-level atmospheric pressure. Many scientific measurements use the Kelvin temperature scale (unit symbol: K), named in honor of the Scots-Irish physicist who first defined it. It is a thermodynamic or absolute temperature scale. Its
Absolute Zero (novel) Absolute Zero (novel) Absolute Zero is a 1978 children's novel by Helen Cresswell, the second book in the Bagthorpe Saga. The Bagthorpe Saga follows the lives of the Bagthorpe family, who live in Unicorn House in an unspecified part of the United Kingdom. The nearest large settlement is the (presumably) fictional town of Aysham. Jack Bagthorpe is the protagonist with his dog Zero. Jack's family become involved in entering competitions. Uncle Parker has won a trip to the Caribbean in a caption contest. In typical Bagthorpian style, the rest of the family immediately enter similar competitions in an attempt to