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?

Which of the following actions would increase heat transfer between two objects?

A spoon placed on a hot stove becomes warm over time. This is an example of which type of heat transfer?

Which of the following is an example of heat transfer by $\mathrm{conduction}$?

Which type of heat transfer is primarily responsible for enabling hot air balloons to fly?

If an ice cube is placed on a hot radiator, how is most of the kinetic energy transferred from the radiator to the ice cube?$E=\mathrm{KE}$

Which of the following is not a method of heat transfer?

Which method of heat transfer involves the transfer of heat through a liquid or gas?

When a cold drink is left sitting in a hot room, which of the following best describes what happens to its temperature over time?

In a diagram showing a vertical column of dense material being heated from below, at which location does heat transfer by convection first begin as the material heats up? $1$ (bottom), $2$ (lower middle), $3$ (upper middle), or $4$ (top)

Which best explains why Greg's hands get warm as he holds a bowl of hot soup?