Heat transfer

Ironing a wrinkled shirt.

• Conduction

• Radiation

Grilling food

• Conduction

• Radiation

How does conduction differ from radiation?

• Heat transfer in direct contact

• Heat transfers without direct contact

• The warm portion rises while the cooler part sinks

What mode of heat transfer is reduced by the outer cup?

• Conduction

• Radiation

How does shiny mirrored surface reduces radiation process?

• It blocks the heat minimizing heat transfer from the other part

• It reflects heat to the water

• It absorbs heat minimizing heat transfer