Conduction
The 'conduction' of heat is how heat is transferred by moving particles that make up an object to neighboring particles. Heat can be transferred even if the particles do not move, mainly by vibration or collision between particles.
Example of Conduction
- If you put a metal spoon in hot soup, it will get hot to the tip of the spoon over time. This is the result of heat being conducted within the metal.
- When you turn on the iron, the heat is evenly transferred through the iron plate to the entire fabric. Iron is a metal that conducts heat well.
- A pot placed on a fire heats the bottom first, but the heat is transferred to the handle and becomes hot as time passes.
- The walls around the fireplace also become hot due to heat conduction through solids.
Methods of heat transfer other than conduction
In addition to 'conduction', heat is also transferred in the form of 'convection' or 'radiation'.
'Convection' is a method of transferring heat by direct movement of particles in a liquid or gaseous substance. 'Radiation' is a method of transferring heat through electromagnetic waves (or light) without the help of matter.