To make sure that food turns out as expected, control over the temperature at which it is cooked is critical. While most ovens and automated cookers have built-in thermostats, specially designed thermometers can be used to measure the temperature of as it melts or meat as it cooks.
The standard unit of measurement for temperature is degrees Celsius, where 0°C is the freezing point of water, and 100°C is its boiling point.