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La propagazione

del calore

QuestionAnswer
Come si trasferisce il calore? Spontaneamente da un corpo più caldo a uno più freddo
Come si propaga il calore nei solidi? Per conduzione mediante urti tra le molecole
Cosa sono buoni conduttori? I metalli
Cosa sono cattivi conduttori? Il vetro,la lana,il legno e i gas.
Come si propaga il calore nei liquidi e negli aeriformi? Per convezione
Come si svolge la convezione? Si formano correnti convettive calde che salgono verso l'alto e correnti fredde che scendono verso il basso
Come si proapaga il calore nel vuoto? Per irraggiamento
Attraverso quale tipo particolare di radiazione avviene l'irraggiamento? Radiazione termica
Qualic tipi di corpi assorbono più calore? I corpi scuri e opachi
Created by: amygdalate
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