Section 2- Convection
Convection Is Where Heating Occurs By Currents In A Fluid. Hot Water Is Less Dense That Cold Water And Stays On Top. Heat Is Transfered By Conduction. Heat Gets Carried By Convection, Carrying Energy With It. Convection Occurs In All Fluids. Fluids Get Heated, Less Dense, Expand And Rise. Convection Makes Wind. Land Heats And Cools Faster Than Water. At Day Land Gets Hot While Water Is Cool And Air Over Land Rises While Air Over Water Falls And Makes A Daybrease. At Night Land Gets Cold While Water Is Still Warm And The Opposite Occurs. Rising Air Expands Because Of Less Atmospheric Pressure. Expanding Air Cools And Compressed Air Warms. Air Molecules Colide. Fast, Warm, Rising Molecules Hit Slow, Cool, Falling Ones And They Rebound With Changed Speeds. Fast Get Slower And Vice Versa.
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