When water moves in a certain direction because of uneven heating the phenomenon is called Convection. Fluids are substances that can flow. One example which can be subject to Convection is Air.
When air is heated, it rises above dry and or cool air which is heavier. So the cool air is displaced most likely moves towards the source of the heat.
If the process of heating continues or is constant, this will create a movement between both kinds of air hence - convection occurs.
See the link below for more about convection in fluids:
https://brainly.com/question/9033636
