Heat transfer Flashcards
1
Q
Law conservation of energy
A
Energy cannot be created or destroyed just transferred
2
Q
Heat
A
Thermal energy that flows due to a difference in temperature. Heat flows from hot to cold.
3
Q
Heat transfer
A
A method by which heat flows.
4
Q
Conduction
A
Heat transfer within or beneath 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 which energy can be easily transferred.
9
Q
Temperature
A
The measure of the average speed if all particles.
10
Q
Thermal Energy
A
The total energy of all particles in an object.
