Conduction & Convection

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  • Conduction & Convection
    • Conduction
      • Needs particles
      • Works best in solids (particles close together)
        • Gases are terrible as the particles are too far apart
      • Particles gain energy and vibrate more
        • They collide with one another and pass energy
      • Can't travel through a vacuum
      • Metals are great conductors because they have free electrons
    • Convection
      • Needs particles
      • Can't travel through a vaccum
      • CAN NOT TAKE PLACE IN SOLIDS
      • Particles gain energy and move more, taking up more space
        • Fluid becomes less dense so it rises
          • When it reaches the surface it cools, becomes more dense and sinks

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