Heat Transfer

Heat transfer by direct contact

• conduction

• convection

• radiation

Heat energy moves through a fluid (gas, liquid)

• conduction

• convection

• radiation

Heat is transferred through electromagnetic rays (waves)

• conduction

• convection

• radiation

how thermal energy is transferred in conduction

• indirect contact

• direct contact

the measure of the amount of energy in matter

• thermal energy

• temperature

• transfer

heat energy; when temperatures increase, molecules vibrate, expand, and rise

• thermal energy

• temperature

• transfer

to move something- heat moves to a place where the temperatures are cooler

• thermal energy

• temperature

• transfer

Touch a light bulb

• conduction

• convection

• radiation

metal spoon touching hot soup

• conduction

• convection

• radiation

example of radiation used to warm our houses

• campfire

• space heater

• boiling water