20. Heat and Temperature

In the context of heat transfer, what is the primary driving force that causes heat to flow between two objects?

Which of the following lists correctly identifies the three primary mechanisms by which heat is transferred?

An ice cube is placed on a kitchen counter. Which best describes the direction of $Q$ (heat) flow in this situation?

In the context of heat transfer, which physical quantity represents the rate at which heat is transferred from one surface to another?

When exposed to sunlight, which will warm more quickly: a colorless piece of glass or a colored piece of glass, and why?