Thermal Energy

Front

Energy transferred from a higher temperature object to a lower temperature object is ___.

Back

heat

Front

What is the sum of the kinetic and potential energies of an object?

Back

Thermal energy

Front

Two isolated objects, at different temperatures, are put in contact with each other. Which of the following is/are true when the system reaches thermal equilibrium? I. The cool object gains the same amount of heat lost by the warm object. II. Both objects will have the same final temperature III. Both objects lose the same amount of heat

Back

I AND II ONLY

Front

Which best describes temperature?

Back

It is proportional to the average kinetic energy of particles in an object

Front

Which thermal exchange process does not require a medium?

Back

radiation

Front

Which thermal exchange process carries thermal energy through boiling water as it heats on top of a stove? Options: Conduction, convection, radiation, evaporation

Back

convection

Front

How is thermal energy transferred to the other end of a solid bar when heated at one end?

Back

Heated molecules vibrate more rapidly and pass energy to other molecules

Front

In which material is all of the heat transferred by the vibration of molecules? Options: air, mercury, rubber, water.

Back

rubber

Front

When a piece of smoldering rope is held at the opening of the box in the diagram, smoke moves in the direction indicated below.

Back

Convection

Front

Why are the tubes inside solar heating panels painted black?

Back

Black surfaces absorb radiation well