Thermometer is a device used to measure the temperature of the people. This is not so tricky but you should know the way in which you can use the device.
Thermometer is used to check the temperature of the body. This is the reason that we use the thermometer to measure the temperature of the person who is suffering from the fever.
These are the traditional old thermometers. In which the mercury is used as a measuring object of the temperature. The procedure is simple. Mercury climbs in a glass tube.
This is something that is really easy to do. As the digits appear on the display of the thermometer and you can easily look at these numbers to read it.
All you need to do is just to follow the same procedure described for the glass and the digital thermometer above.