Thermal conduction and insulation
Lesson 4 / 10
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I can explain how energy is transferred by thermal conduction in metals and non–metals.
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The faster the particles of a substance are vibrating or moving, the higher the substance's temperature.
In solids, energy is transferred by vibrating particles colliding with nearby particles, causing them to vibrate more.
Metals are good conductors as their free electrons move through them more quickly when heated and transfer energy.
Thermal conductors can feel cold because they transfer energy quickly away from their surface.
Thermal insulators can feel warm because they do not transfer energy quickly from their surface.
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