Heat transfer
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10 Terms
What are the three methods of heat transfer?
Conduction, convection, and radiation.
What is conduction?
Heat transfer through direct contact between particles.
What is convection?
Heat transfer caused by the movement of liquids or gases due to density differences.
Why do hot fluids rise in convection?
Hot particles move faster, spread out, become less dense, and rise.
What is radiation?
Heat transfer by electromagnetic waves.
Does radiation need a medium?
No, radiation can travel through space.
What is temperature?
The average kinetic energy of particles.
Which type of heat transfer happens mostly in solids?
Conduction.
Which type of heat transfer happens mostly in liquids and gases?
Convection.
How does the Sun transfer heat to Earth?
By radiation.