Question

What are good conductors and bad conductors of heat? Please give a definition and examples for each...

Answer 1

The materials through which heat can be easily passed are called good conductors of heat. Ex.Silver, Copper and Aluminum.
The materials through which heat can not be passed are called bad conducters of heat. Ex. Wood, Cotton and Wool.

Answer 2

the material which allow heat to pass through them easily are called good conductor of heat.
e.g. copper,aluminium
the material which does not allow heat energy to pass through them easily are called bad conductor of heat.
e.g. wood, plastics