convection Flashcards
1
Q
what is convection?
A
convection is the transfer of heat through liquids and gases.
2
Q
what do molecules do when heated?
A
molecules start to vibrate and move.
3
Q
is warm liquids/gases less dense?
A
yes they are less dense and they rise
4
Q
are cold liquids/gases more dense
A
yes they are and they sink
