Here are some examples of common thermal conductors:

* Metals: Metals like copper, aluminum, silver, and gold are excellent thermal conductors. This is why they are used in cookware, radiators, and electrical wiring.

* Water: Water is a relatively good conductor of heat, which is why it's used in cooling systems.

* Diamond: Diamond is the best known thermal conductor, even exceeding the conductivity of metals.

* Concrete: Concrete is a good conductor of heat, which is why it can be used for floors and walls in buildings.

It's important to note that some materials are better thermal conductors than others. The thermal conductivity of a material measures its ability to transfer heat. The higher the thermal conductivity, the better the material conducts heat.

Here are some examples of thermal insulators, materials that resist the flow of heat:

* Wood: Wood is a good insulator, which is why it's used for building materials.

* Fiberglass: Fiberglass is a common insulator used in homes and buildings.

* Air: Air is a good insulator, which is why it's used in double-pane windows.

* Plastic: Plastic is a good insulator, which is why it's used for many products, including food containers and water bottles.