Conduction, convection and radiation are the three methods by which heat can be transferred from one place to another. The first method (www.hyperphysics.com) is conduction by which heat can be transferred from one object to another object. This process is defined as heat is transmitted from one to another through the interaction of atoms and molecules. The atoms and molecules of the body are physically attached to each other and one part of the body is at a higher temperature to the other part of the body, heat begins to transfer. A simple experiment by which conduction can be easily understood is as follows. First, take a metal rod of any length. Hold the rod in your hand or on any support made of the insulation so that heat is not transferred to the support. Heat one end of the rod using the alcohol lamp. After a while, touch the other end of the rod, the other end of the rod also becomes heated, and the temperature of the other end of the rod also increased. Although only one end of the rod was heated with the alcohol lamp, the other end of the rod was also heated. This means that heat was transferred from one end of the rod to the other end of the rod without heating it from the other end. Thus, the transformation of heat takes place. This process is called conduction. Conduction is a process driven by free electrons. As conduction only occurs in metallic materials, the reason is that metals have free electrons and they can move freely from one part of the body to another part of the body. These electrons are not restricted by the nucleus and can therefore move easily. And when the temperature of ...... middle of paper ...... our daily life has many consequences. For example, we know that black surfaces absorb more thermal energy and reflect less thermal energy. Likewise, shiny surfaces absorb less energy and reflect more energy. This is the main reason why a black car parked in the sun will heat up more than a white car. The radiation process is also used in the field of medicine. Thermography is an interesting use of radiation in medicine. The thermograph is a scan of the body image and is a photograph depending on the radiation intensity at different locations. Since diseased parts are usually warmer, the thermograph shows prominent white and red spots, which helps doctors diagnose the disease. .britannica.com/EBchecked/topic/135577/convection