Thermal Energy Quiz

What is thermal conduction?

• The transfer of heat through a fluid (liquid or gas) caused by molecular motion.

• The transfer of heat through electromagnetic waves.

• The transfer of heat from one part of a body to another with which it is in contact.

• The process of reducing the transfer of heat.

Which material is the best conductor of thermal energy?

• Wood

• Plastic

• Copper

• Wool

What is thermal convection?

• The transfer of heat through electromagnetic waves.

• The transfer of heat from one part of a body to another with which it is in contact.

• The transfer of heat through a fluid (liquid or gas) caused by molecular motion.

• The process of reducing the transfer of heat.

In which direction does heat flow?

• From colder objects to hotter objects.

• From hotter objects to colder objects.

• Heat does not flow.

• In a circular motion.

What is thermal radiation?

• The transfer of heat through a fluid (liquid or gas) caused by molecular motion.

• The transfer of heat from one part of a body to another with which it is in contact.

• The process of reducing the transfer of heat.

• The transfer of heat through electromagnetic waves.

Which of the following is an example of conduction?

• Heating a room with a space heater.

• Boiling water in a pot.

• Touching a hot stove and feeling it burn.

• The warmth of the Sun on your face.

What is the primary method of heat transfer in solids?

• Convection

• Radiation

• Conduction

• Insulation

Which of the following is an example of convection?

• Using a blanket to keep warm.

• A spoon getting hot from stirring hot soup.

• Wind blowing and cooling a hot surface.

• Feeling the heat from a fire without touching it.

What does insulation do in the context of thermal energy?

• Increases the transfer of heat.

• Has no effect on the transfer of heat.

• Reduces the transfer of heat.

• Converts thermal energy to electrical energy.

Which of the following materials is a good insulator?

• Aluminum

• Copper

• Styrofoam

• Iron