topic 2 energy transfer by heating Flashcards

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1
Q

what is thermal conductivity?

A

a measure of how good something is at conducting heat

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2
Q

what is an insulator (thermal)

A

a substance that has a low thermal conductivity and reduces energy transfers

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3
Q

what is a conductor (thermal)

A

a substance with a high thermal conductivity and is good at transferring heat energy

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4
Q

what is specific heat capacity?

A

the amount of energy needed to change the temperature of 1kg of a substance by 1°c. the units are J/Kg/°C

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5
Q

what is a joulemeter?

A

a device that measures energy supplied

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