Energy Transfer - radiation, convection, conduction
What is radiation?
Light energy transferring into thermal energy
What is convection?
The transfer of energy by the movement of a fluid or air
a snowball in your hand
conduction
an egg on a hot skillet
conduction
butter melting on warm pancakes
conduction
ironing a wrinkled shirt
conduction
using a curling iron to curl hair
conduction
What are the three heat transfers?
conduction, convection, radiation
Using a hair dryer to dry your hair
convection
a heater heating up the inside of the car
convection
a pan of boiling water on a stove
convection
adding hot water to your cold bath water
convection
baking a cake inside the oven
convection
pouring cold water in your hot coffee
convection
warm and cold air meeting
convection
feeling the sun's heat on your back
radiation
sun rays warming a puddle
radiation
the sun warming the surface of a rock
radiation
What is conduction?
transfer of energy from one place to another by contact