Heat transfer

The water boiling on the stove is an example of convection.

This is an example of radiation.

This is an example of which heat transfer?

This is an example of which heat transfer?

This is an example of which heat transfer?

This is an example of which heat transfer?

Toast selfies can be made because of

Heat transfer through a solid and direct contact is ...

Heat transfer through empty space as waves is...

Heat transfer through fluid (liquid or gas). Warm rises and cool sinks.