The fact that mercury and alcohol expand when the temperature increases is used to construct thermometers. If we fix the temperature of a substance with a device known as a thermostat, we will be able to see the height reached by the column of liquid in the thermometer and the relation between temperature and height.

 

Licencia de Creative Commons Licencia Creative Commons Reconocimiento-No Comercial-Compartir Igual 3.0 España
logo INTEF
Ministerio de Educación, Cultura y Deporte