Question

what is radiation convection and conduction and what are the differences between the three. please explain giving examples and diagrams or videos

Answer 1

1) Conduction-  is the direct heat transfer from one substance to another
Eg: Ice melting in your hand

2) Convection- is the direct heat transfer from a fluid. Air is a fluid.
Eg: Green house effect

3) Radiation- the transfer of heat energy through empty space
Eg: The sun  

Answer 2

 Conduction-  is the direct heat transfer from one substance to another  Convection- is the direct heat transfer from a fluid. Air is a fluid   Radiation- the transfer of heat energy through empty space