Heat Transfer Questions

Which of the following is an example of conduction?

• Warm air rising in a room

• The Sun heating the sand on a beach

• A metal spoon heating up in hot soup

• Boiling water moving in a pot

Which material would be the best insulator?

• Metal

• Wood

• Copper

• Aluminum

Which type of heat transfer does NOT require matter to transfer energy?

• Conduction

• Convection

• Radiation

What is an example of convection?

• A. A pan heating up on a stove

• B. Hot air rising and cold air sinking

• C. The Sun warming your skin

• D. A metal rod heating up when placed in fire

Which of these is the best example of radiation?

• A. A campfire warming your hands

• B. A metal spoon getting hot in boiling water

• C. Hot water rising in a pot

• D. Heat moving through the walls of a house

Which is NOT a factor engineers consider when designing insulation for buildings?

• The cost of materials

• How well the material conducts heat

• The color of the material

Why do space blankets have a shiny, reflective surface?

• To absorb more heat from the environment

• To reduce heat loss by reflecting radiation

• To allow heat transfer through conduction

• To let air flow through for better convection

Which of these best describes the purpose of insulation in a home?

• To increase heat conduction

• To trap warm or cool air inside

• To let radiation heat the house more efficiently

• To allow energy to transfer easily

Which statement is true about energy transfer?

Which design improvement would best prevent heat loss in a house?

• Using metal walls to allow conduction

• Adding thick insulation in the walls

• Keeping windows open for more airflow

• Using thin glass to let radiation pass through