[header] How to save cooking gas [title] Get a feel for two important words used in this article. [step] These words are sometimes used interchangeably and hence need a clarification : [substeps] Temperature-temperature is usually measured in degrees centigrade (c) or fahrenheit (f). The higher the temperature within a cooking pan the quicker the cooking. 
However, a temperature that is too high may burn the food. Heat-heat is a form of energy and therefore is usually measured in jules (j) or kilo watt hours (kwh).