A thermometer is a device that is used to measure the temperature of a body or an object. There are different types of thermometers that have different functions and methods of use. Some of the common types of thermometers are: - Digital thermometer : This is a device that uses a heat sensor to measure the temperature and displays the result on a screen. It can be used to measure the temperature in the mouth, ear, armpit, or rectum. It is easy to use and read, and it does not contain mercury or alcohol. To use a digital thermometer, you need to turn it on and place it in the desired location until it beeps. Then you can read the result on the screen and clean the thermometer with alcohol or soap and water. - Infrared thermometer : This is a device that uses infrared rays to measure the temperature without touching the body or object. It can be used to measure the temperature of the forehead, ear, or surface. It is fast and convenient, but it may be affected by environmental factors suc