Praxis 5005 Practice Test Practice Question
Which of the following is a measure of the ease with which heat can pass through a material?
Correct Answer: B
Rationale: Heat conductivity refers to the ability of a material to transfer heat energy. Materials with high thermal conductivity, like metals, allow heat to pass through easily, while those with low conductivity, like wood or rubber, do not.
Malleability (A) relates to a material's ability to be shaped or deformed without breaking, not heat transfer. Permeability (C) measures how easily fluids can pass through a material, which is unrelated to thermal properties. Elasticity (D) describes a material's ability to return to its original shape after deformation, also not concerning heat transfer.
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