State three application of heat energy?

1. Cooking: Heat energy is used in cooking to raise the temperature of food, causing it to cook and become edible. This can be done through methods such as boiling, baking, grilling, or frying.

2. Heating: Heat energy is used to warm buildings, homes, and water for domestic use. This can be achieved through the use of heaters, radiators, boilers, or geothermal systems.

3. Industrial processes: Heat energy is used in various industrial processes such as melting metals, drying materials, and generating steam for power generation. It is also used in chemical reactions and manufacturing processes.

1. Cooking: Heat energy is used to cook food by transferring heat from a stove or oven to the food, causing it to cook and become safe to eat.
2. Heating: Heat energy is used to warm homes, offices, and other enclosed spaces. This is typically done using furnaces, boilers, or heat pumps, which transfer heat from a central source to the air or water in the building.
3. Industrial processes: Heat energy is used in a wide range of industrial processes, such as welding, forging, and refining metals.