Conduction, Convection & Radiation - physics Flashcards
1
Q
What are poor conductors called?
A
Insulators
2
Q
Why does hot air rise?
A
It is less dense
3
Q
Why does cold air sink?
A
It is more dense
4
Q
What is the differences between conduction&conduction and radiation?
A
Unlike conduction and convection - which need particles - infrared radiation is a type of electromagnetic radiation that involves waves.
5
Q
What is conduction?
A
Heat is thermal energy. It can be transferred from one place to another by conduction.
