Convection Flashcards
1
Q
Does convection occur in solids, liquids or gases?
A
Convection only takes place in liquids and gases
2
Q
Why cold liquids and gases sink?
A
They sink because when cooled they contract and become more dense
3
Q
Why do hot liquids and gases rise?
A
They rise because when heated they expand and become less dense
4
Q
What is convection?
A
Convection is when the more energetic particles move from the hotter region to the cooler region and take their heat energy with them