Question

1. a materials ability to allow heat to flow is called

viscosity
malleability
density
conductivity

Explanation:

• Viscosity refers to a fluid's resistance to flow.
• Malleability is the ability of a material to be hammered or pressed into shape.
• Density is mass per unit volume.
• Conductivity is the ability of a material to allow heat (or electricity) to flow.

Answer:

D. conductivity