Question

you sit with friends around a campfire, roasting marshmallows. which transfer of thermal energy involved in this system is an example of conduction? a. thermal energy moves through the air from the flame to the marshmallow. b. thermal energy moves through the air and warms your face. c. thermal energy moves from the marshmallow to your finger when you touch the marshmallow. d. thermal energy moves within the air above the flame as the warm air rises.

Explanation:

Conduction is the transfer of heat energy through direct contact. Option C describes heat transfer by direct contact when touching the marshmallow. Options A, B and D describe heat transfer by convection (movement of fluids - air in this case).

Answer:

C. Thermal energy moves from the marshmallow to you when you touch the marshmallow.