Convection

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5 Terms

1
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Convection

when energetic particles move from hotter to0 colder regions in gases and liquids

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How is energy transferred in convection?

by heating to tes of gas/liquid

shared across kes of particles

3
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Why does the density increase?

particles are able to move

particles gain more energy when heated and move faster and space between ind particles ^

4
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How is a convection current created?

liquids/gases can flow

warmer less dense region rises above cooler more dense region

if constant heating source, cycle continues

convection current created

5
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How do radiators work?

  1. E transferred from radiator to nearby particles by conduction

  2. Air becomes warmer + less dense- move faster

  3. Warmer air less dense rises and is replaced with cooler air

  4. warm air transfers heat to surroundings becomes cool denser air and sinks

  5. if cycle repeats and causes flow of air to circulate, convection current created