In our daily life heat energy offers many services. It is used

• as a source of power (generate electricity), in geothermal power plants, for warming our houses on cold morning days.
• in the industry for food processing, manufacturing of glass, paper, textile and to melt metals so that it can be shaped to the required design …etc.
• for cooking, for making tea or coffee.
• in temperature maintenance of warm-blooded animals.
• in the form of heating pads (thermotherapy). It is believed that heat increases blood circulation, promotes healing.
• for drying washed clothes.
• for sterilization.
• in incubation, to grow chicken in the egg.
• When the heat from the sun contacts water on the earth, it evaporates by forming water vapor, which causes the water cycle. The water cycle is a phenomenon responsible for the rain and life on earth.
• Heat energy is the base for all automotive vehicles like cars, buses, trucks, etc.