Question

energy transformations in a campfire

Answer 1

A fire spreads by transferring heat energy in three ways: Radiation, Convection, and Conduction. Radiation refers to the emission of energy in rays or waves. Heat moves through space as energy waves. It is the type of heat one feels when sitting in front of a fireplace or around a campfire.

Answer 2

Energy transformations:

Explanation:

• When you burn wood, additional excited atoms heat it up, releasing the log's stored potential energy (in the form of chemical energy).
• The presence of oxygen is required for this chemical reaction, which is known as combustion.
• During combustion, potential chemical energy is transferred to kinetic energy in the form of heat.
• A campfire log is thought to have stored potential energy (in the form of chemical energy).
• When a log is burned, the potential energy stored in it is released. When a log is burned, it undergoes a chemical reaction known as combustion.
• Combustion can only take place when oxygen is available.