Heat & Heat Transfer

Multiple Choice

The flow of heat due to a temperature difference is called...

• Heat Transfer

• Conduction

• Convection

• Radiation

Multiple Choice

In thermal energy transfer, heat always flows from the _______________ object to the _______________ object until both objects have reached equilibrium.

• Warmer to cooler

• Cooler to warmer

• Warmer to warmer

• Cooler to cooler

Multiple Choice

What is the definition of CONDUCTION?

• When heat is transferred from objects like rays of light or electromagnetically.

• a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.

• When heat transfers from objects that are touching.

• When heat transfers through the heater or AC in your house.

Multiple Choice

Which best describes the process of convection?

• Convection is the primary way  heat travels  through rays.

• Convection is the primary way heat travels  through metals.

• Convection is the primary way heat travels  through appliances.

• Convection is the primary way heat travels  through liquids and gasses.

Multiple Choice

How does heat energy reach the Earth from the Sun

• Convection

• Radiation

• Conduction

• Insulation

Multiple Choice

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

• Radiation

• Insulation

• Conduction

• Convection

Multiple Choice

How many kinds of heat transfer are there?

• 1

• 2

• 3

• 4 or more

Multiple Choice

The transfer of heat by currents through liquids of gases is called

• Perspiration

• Radiation

• Conduction

• Convection

Multiple Choice

Radiation= 

• physical contact

• warm air rising

• heat moving through empty space

• say what?