# When exposed to equal amounts of heat energy, copper wams faster than the granite because the two materials have different what?

##### 1 Answer
Dec 29, 2016

$\text{Thermal conductivities.................}$

#### Explanation:

Thermal conductivity is the property of a material to conduct heat. Metals tend to be good thermal conductors for the same reason they are good electrical conductors: their valence electrons tend to be delocalized thruout the entire metallic lattice........