Question

Select a good and bad conductor of heat from the following:

copper, mercury, wood, iron, air, saw-dust, cardboard, silver, plastic, wool.

Answer 1

Part-1: Good conductors

• The substances which allow the heat to pass through them easily are good conductors of heat.

• Mercury, copper, silver, iron.

• The above mentioned substances allow the heat to pass through them easily.

Part-2: Bad conductors

• The substances which do not allow the heat to pass through them easily are bad conductors of heat

• Wood, air, saw dust, plastic, wool, cardboard.

• The above mentioned substances do not allow the heat to pass through them easily.