Thermometer

Things to remember

• A device, which measures the temperature of a body, is called thermometer.
• Three temperature scales are used on thermometers: the Celsius, the Fahrenheit and the Kelvin scale.
• There are two types of thermometers  according to the thermometric liquid used: Mercury and Alcohol Thermometer.
• Mercury thermometer can measure the temperature between -39⁰ Celsius to 357⁰ Celsius.
• Alcohol thermometer can measure the temperature between - 112⁰ Celsius to 78.3⁰ Celsius.