The transfer of heat through and between solids is known as what?

• A. Convection
• B. Radiation
• C. Conduction
• D. Insulation

Answer: (C)

The transfer of heat through and between solids is referred to as conduction. This process occurs at the microscopic level, where heat energy is transferred from one molecule to another through direct contact. When a solid object is heated, its molecules begin to vibrate and, in turn, collide with adjacent molecules, passing on the energy and thus increasing the temperature of the material. This is what allows heat to travel through solids, such as metal bars or walls in a building, making conduction a crucial concept in understanding heat transfer in fire scenarios.

Conduction is particularly relevant in firefighting, as understanding how heat moves through materials can help responders assess the risks and implement safety measures effectively.