Heat transfer Flashcards
1
Q
When does heat transfer occur
A
When objects are at different temperatures
2
Q
What is conduction
A
When particles vibrate, knock into each other and pass on some energy
3
Q
What is convection
A
Occurs in liquids and gases, which expand when they are hot and start to rise
4
Q
What is radiation
A
Transfers energy without particles. All hot objects emit infrared radiation.
5
Q
What is an insulator
A
It does not allow heat through it
6
Q
What is a conductor
A
It does allow heat to pass through them easily
7
Q
A
