The metric form of temperature measurement is Celsius. Zero degrees represents freeing point of water and 100 degrees represents boiling point of water with this scale
Fahrenheit is the English way of measuring temperature. 32 degrees represents the freezing point of water and 212 is the boiling point of water with this scale.
The Kelvin scale is an absolute temperate scale in which 0 degrees represents the lowest attainable temperature. With the Kelvin scale, water boils at 373 degrees and will freeze at 272 degrees!
BTU stands for British Thermal Unit. It is used for measuring thermal energy. The calorie is used for the same thing except it is the metric way of measuring it. You may have seen how many calories are in food on the nutrition facts. Did you know that your house uses 859,845.2 calories to burn 1 kilowatt hour of power?
