heat transfer Flashcards
1
Q
Law of conservation of energy
A
energy is neither created nor destroyed only transferred
2
Q
heat
A
thermal energy flows from hot to cold
3
Q
Heat Transfer
A
A method by which heat flows
4
Q
conduction
A
Heat transfer within or between solid objects.
5
Q
convection
A
heat transfer into or out of fluids.
6
Q
radiation
A
Heat transfer due to packets of energy called photons that can travel through many substances, even empty space.
7
Q
insulator
A
A material through which energy cannot be easily transferred.
8
Q
conductor
A
A material through which energy can be easy transferred.
9
Q
Temperature
A
The measure of the average speed of all particles.
10
Q
Thermal energy
A
The total energy of all particles in an object.