Heat Transmission Flashcards
1
Q
What are the 3 ways that heat can be transmitted?
A
Conduction
Convection
Radiation
https://youtu.be/Eizsm5V8c_c
2
Q
Explain conduction and give an example
A
Heat energy is transferred from one molecule to it’s nearest neighbors.
Frying an egg
3
Q
Explain convection and give an example
A
Only in liquids and gases
Pan of water on the hob
4
Q
Explain radiation and give an example
A
Cooking food in a microwave
5
Q
What are the 3 possibilities when radiant energy falls on a body?
A
Transmission - energy passes through the body without warming it
Absorption - energy is absorbed by the body raising it’s temperature
Reflection - energy reflected back