Mercury thermometer was invented in the year-

In the process of radiation, energy transmits as

Which of the following is a measure of the average energy of the particles in a substance?

The process which keep our atmosphere warm is 

Which among the following  is the spontaneous transfer of heat energy from a region of higher temperature to a region of lower temperature?

The word 'latent' orginates from.

Name the device used to measure temperature

Matter is made up of 

The heat added to change the state of a substance is called

Heat is a form of