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Mind Map by George Lewis6591, updated more than 1 year ago
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Created by grayk
over 8 years ago
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Copied by George Lewis6591
over 8 years ago
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Conduction and convection
- Conduction
- How this works: As the temperature of a
solid is increased, the particles vibrate
more, so they gain more kinetic energy.
- The increase in kinetic energy is transferred onto
nearby particles through collisions into each other, causing
them to vibrate more.
- The increase in kinetic energy is transferred onto
nearby particles through collisions into each other, causing
them to vibrate more.
- How this works: As the temperature of a
solid is increased, the particles vibrate
more, so they gain more kinetic energy.
- Conduction in Metals
- Metal atoms exist as positively charged metal ions in a
regular lattice structure. The ions are surrounded by
negatively charged electrons.
- some of the electrons are free and can
move within the metal.
- Metal atoms exist as positively charged metal ions in a
regular lattice structure. The ions are surrounded by
negatively charged electrons.
- Convection
- Convection occurs only in liquids and gasses. as a liquid is heated the particles gain energy
- This is when hot air rises up and then cools down then falls below the warmer air and the cycle starts again
- This is when hot air rises up and then cools down then falls below the warmer air and the cycle starts again
- Convection occurs only in liquids and gasses. as a liquid is heated the particles gain energy
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