Heat transfer- key terms Flashcards
(9 cards)
1
Q
what is the meaning of emit
A
to give out energy
2
Q
what is a convection current?
A
A current created by heat causing chasing in the density of a fluid ( gas or liquid)
3
Q
Meaning of absorb
A
to take in energy
4
Q
What do you use to measure energy?
A
joules (J)
5
Q
what is the meaning of infrared radiation
A
A wave that can travel through transparent things and a vacuum ( empty space)
6
Q
meaning of radiation
A
The transfer of heat energy by electromagnetic waves
7
Q
meaning of insulator
A
A material that does not let energy pass through easily
8
Q
meaning of heat insulator
A
A material that does not let heat energy pass through easily
9
Q
Meaning of conduction
A
the way heat travels through solids
