convection Flashcards
1
Q
what is thermal convection?
A
the transfer of thermal energy by particles moving through a fluid (gas or liquid) once the particles have heated up they rise, because hot fluids rise, and are replaced with cold particles, so the process repeats.
2
Q
what can convection transfer heat through?
A
liquids and gases
3
Q
how can you prevent from happening?
A
make a vacuum