The way the heat is moving from the hot coffee is called...
Convection
The heat from a hot burner to a pot is transferred by ______.
conduction
This is a lava lamp. When the light bulb heats the wax, the wax rises. When the wax cools, it falls. This cycle of rising/falling is an example of:
Convection
A group of friends gather around a fire to stay warm.
Radiation