Final answer:
Good electrical conductors are often good heat conductors. Metals like copper, aluminum, gold, and silver are examples of materials that are good conductors of both electricity and heat.
Step-by-step explanation:
Good electrical conductors are often good heat conductors, too. This is because large numbers of free electrons can carry electrical current and can transport thermal energy. For example, metals like copper, aluminum, gold, and silver are good conductors of both electricity and heat because they contain many free electrons that can carry electrical current and transport thermal energy.