Convection Flashcards
1
Q
Do substances expand when heated?
A
Yes
2
Q
How do objects expand when heated?
A
The particles vibrate more. They do not expand.
3
Q
When hot air expands What does it do?
A
It rises.
4
Q
Does cool air rise or sink?
A
Sink`
5
Q
What is a good method of heat transfer in liquids and gases?
A
Convection currents
6
Q
Does convectio currents work for solids?
A
No
