Describes the relative weight of material.

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Multiple Choice

Describes the relative weight of material.

Explanation:
Density is the measure of how much mass is packed into a given volume, so it determines how heavy a material feels per unit size. When you compare equal volumes, the material with higher density weighs more, which is why a small piece of lead weighs more than a similarly sized piece of wood. The other properties don’t describe weight: viscosity is about resisting flow, thermal conductivity about transferring heat, and elasticity about how a material deforms under force. So density best explains the relative weight of a material.

Density is the measure of how much mass is packed into a given volume, so it determines how heavy a material feels per unit size. When you compare equal volumes, the material with higher density weighs more, which is why a small piece of lead weighs more than a similarly sized piece of wood. The other properties don’t describe weight: viscosity is about resisting flow, thermal conductivity about transferring heat, and elasticity about how a material deforms under force. So density best explains the relative weight of a material.

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