heat transfer vocabulary Flashcards
1
Q
law of conservation of energy
A
energy cannot be created or destroyed just transformed under normal conditions
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
conduction convection radiation
4
Q
conduction
A
heat transfer 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 easily transferred
9
Q
temperature
A
the measure of the average speed of all particles
10
Q
thermal energy
A
the total of all particles in an object
