Heat Transfer key definitions Flashcards
1
Q
absorb
A
to take in energy
2
Q
condense
A
gas turns to liquid
3
Q
conduction
A
the way heat travels through solids
4
Q
conductor
A
a material which lets energy flow through it easily
5
Q
contract
A
get smaller
6
Q
convection current
A
a current created by heat causing changes in the density of a fluid
7
Q
emit
A
to give out energy
8
Q
evaporate
A
liquid turns to gas
9
Q
expand
A
get bigger
10
Q
fluid
A
a gas or liquid
11
Q
gas
A
particles that are spread out and not attached to each other
12
Q
heat insulator
A
material that does not let heat energy flow through it easily
13
Q
infrared radiation
A
a wave that can travel through transparent things and a vacuum (empty space)
14
Q
insulator
A
a material which does not let energy flow through it easily
15
Q
joules (J)
A
the units for measuring energy
