Heat Transfer Processes

Draw a pot of boiling water :)

Temperature is proportional to...

• Average kinetic energy of molecules

• Total kinetic energy of molecules

• Average potential energy of molecules

• Total potential energy of molecules

If we want something to be heated up MORE under the sun, what color should we paint it?

• White

• Silver

• Black

What is the main heat transfer process that an air conditioner uses to cool down a room?

• Conduction

• Convection

• Radiation

What radiation do hot objects emit that allow heat transfer by radiation?

• Infra-red

• Ultra-violet

• Radio Waves

• X-Rays

Which of the following cannot undergo convection?

• Water

• Steam

• Mercury

• Iron

Which heat transfer process is mainly responsible for the sun's heat reaching the earth?

• Conduction

• Convection

• Radiation

Which heat transfer process is mainly responsible for a metal spoon becoming warm after stirring hot coffee?

• Conduction

• Convection

• Radiation

True or False:

Vacuum flasks keep things cold by pumping heat out of the flask into its surroundings

• True

• False

True or False:

If a house is well-insulated (thermally), the daily temperature range of the inside of the house would be low.

• True

• False