Why does conduction occur more readily in solids and liquids than in gases?      

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Conduction occurs more easily in solids or liquids than it does in gases because the particles within solids and liquids are closer together than the particles within a gas.

Conduction is the transfer of heat energy or electricity through particles that are touching. The particles of a solid are packed...

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Conduction occurs more easily in solids or liquids than it does in gases because the particles within solids and liquids are closer together than the particles within a gas.

Conduction is the transfer of heat energy or electricity through particles that are touching. The particles of a solid are packed tightly next to one another with little movement. The particles of a liquid are farther apart, but still close enough that they are able to flow past one another.  As the particles of a liquid or solid collide, conduction can occur.

On the other hand, the particles of a gas are spread far apart from one another. The number of collisions between gas particles is much lower than the number of collisions between solid or gas particles. Therefore, conduction does not occur as readily in gases.

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