Question

The process of heat transfer by the movement of mass from one place to another is called

Answer 1

Thank you for asking this question.  A really easy but an interesting question to ask.
The process of heat transfer by the movement of one mass from one place to another is known as convection. It involves the movement of particles  in the form of currents and is usually done in liquids and gases only. It can not take place in solids. 
I hope this answer can help you in some manner.