Revision: Heat.4

What is conduction?

• Transfer of heat through electromagnetic waves

• Movement of heat caused by the actual movement of matter

• Transfer of heat without any medium

• Direct transmission of heat energy through physical contact

Which of the following is an example of conduction?

• Ice melting

• Land and sea breeze

• Heating a pan on the burner

• The light that an incandescent bulb produces

What is convection?

• Transfer of heat without any medium

• Transfer of heat by the movement of fluids or gases

• Direct transmission of heat energy through physical contact

• Transfer of heat through electromagnetic waves

Which of the following is an example of convection?

• Heating a pan on the burner

• Land and sea breeze

• The light that an incandescent bulb produces

• Your skin being warmed by the sun

What is radiation?

• Transfer of heat through a medium

• Movement of heat caused by the actual movement of matter

• Direct transmission of heat energy through physical contact

• Transfer of heat through electromagnetic waves

Which of the following is an example of radiation?

• The light that an incandescent bulb produces

• Heating a pan on the burner

• Land and sea breeze

• Ice melting

Which method of heat transfer does not require a medium?

• Radiation

• Conduction

• Convection

• All of the above

Which heat transfer method is the slowest?

• All are equally fast

• Radiation

• Convection

• Conduction

Which heat transfer method is the fastest?

• Conduction

• Convection

• Radiation

• All are equally fast

What causes convection?

• Temperature change

• Differences in density

• Electromagnetic waves

• Physical contact