p1b heat transfers Flashcards
(8 cards)
1
Q
what is thermal conductivity?
A
a measure of the rate of energy transfer by conduction across a material
2
Q
what is a thermal conductor?
A
material that allows heat to move quickly through it
3
Q
what is a thermal insulator?
A
material that only allows heat to travel slowly through it
4
Q
what is temperature a measure of?
A
the motion and energy of particles
5
Q
what is the definition of conduction?
A
the transfer of thermal energy by the vibration of particles
6
Q
what is the definition of convection?
A
the transfer of thermal energy when particles in a heated fluid rise
7
Q
what is radiation?
A
the transfer of thermal energy as a wave
8
Q
what is the definition of specific heat capacity?
A
the amount of energy required to increase the temperature of 1kg of a substance by 1 degree celcius
