convection Flashcards
1
Q
what is convection?
A
the transfer of heat in liquids and gasses
2
Q
when does convection occur?
A
when the energetic particles move from the hotter region to the cooler region and take their heat energy with them
3
Q
what is a convection current?
A
when the particle heat up and become less dense they rise up and the particles at the top cool down, get more dense and descend down to the bottom, then they will heat up, get less dense and rise and the particles at the top will cool down, get more dense, and descend again. this continues
