Temperature
Temperature: Overview
This topic describes temperature as a physical quantity which expresses hotness and coldness of a body. It briefs on the phenomenon of thermal energy. We will also learn about the instruments used to measure temperature.
Important Questions on Temperature
Mercury is a metal which is liquid at room temperature. Its melting point is . The freezing point of alcohol is . How much warmer is the melting point of mercury than freezing point of alcohol?


Explain the advantages of digital thermometer over clinical thermometer?


A six's thermometer is used to measure the human body temperature.

A laboratory thermometer can be used to measure the maximum and minimum temperatures of the day.

What is a clinical thermometer? List any two advantages of digital thermometer over clinical thermometer.

What is a digital thermometer? List any two advantages of digital thermometer over clinical thermometer.

The digital thermometers use mercury to measure the temperature.

The digital thermometer is a development of the clinical temperature thermometer, which provides extremely precise readings.

A temperature at which liquid changes into vapour is known as boiling point.

What is the normal range of temperatures in a clinical thermometer?






Which metal contracts and expands when a clinical thermometer comes in contact with a person having a fever?

Answer in one word.
What ensures that the mercury should not fall on its own in a clinical thermometer?

Name the thermometer which is used for measuring temperature while performing experiments.
(Choose from the following: Clinical thermometer/Laboratory thermometer)
