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Conduction, Convection, Radiation

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by

Samuel Medel

on 8 May 2014

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Transcript of Conduction, Convection, Radiation

Conduction, Convection, Radiation
There are three ways that heat is transferred conduction, convection, and radiation.
How Heat is Transferred
Examples
1. A pot sitting on a hot burner
2. Touching a metal spoon that is sitting in a pot of boil
3. Using a heating blanket to get warming water
4. Picking up a hot cup of coffee
Convection
The transfer of heat by the movement of currents within a fluid
Examples
1. Hot air corn popper - The hot air moves against the corn kernels causing them to get hot enough to pop
2.Hot air balloon - A heater inside the balloon heats the air and so the air moves upward.
3. Boiling water- hot water rising cold water on the bottom.
Radiation
The transfer of energy by electromagnetic waves
Examples
1. Light from the sun
2. A campfire's heat
3. Microwaves
4. Waves produced by mobile phones
Conduction
Conduction is the transfer of heat from one particle of matter to another .
A cube of ice is placed into the hand of a man. Over time, heat conducted from the man’s hand to the ice cube will cause the ice to melt.
Radiator - Puts warm air out at the top and draws in cooler air at the bottom
Radiation from the Sun, a mixture of electromagnetic waves ranging from infrared to ultraviolet rays
Full transcript