| A | B |
|---|
| convection | heat transfer by circulation |
| conduction | heat transfer by two objects in contact with each other |
| radiation | heat transfer by waves |
| atmosphere | the mixture of gases that surrounds the Earth |
| air pressure | the weight of the air that pushes down on us |
| convection example | macaroni noodles boiling in a pot |
| radiation example | you get warm when you stand outside in the sun |
| conduction example | chocolate melts in your hand |
