You sit with friends around a campfire, roasting marshmallows. Which transfer of thermal energy involved in this system is an example of
convection?
A. Thermal energy moves from the rocks surrounding the fire to the
ground beneath.
B. Thermal energy moves through the air from the flames to the
marshmallow
C. Thermal energy moves within the air above the flames as warmer
air rises
D. Thermal energy moves from the marshmallow to your fingers as
you touch the marshmallow