What is heat energy
Answers
Heat energy is the result of the movement of tiny particles called atoms, molecules or ions in solids, liquids and gases. Heat energy can be transferred from one object to another. The transfer or flow due to the difference in temperature between the two objects is called heat.
Sources of heat energy:
(1) The biggest example of heat energy in our solar system is the sun itself. The sun radiates heat to warm us up on the planet earth. When the burner of a stovetop is very hot, it is a source of heat energy.
(2) The sun is by far the most important heat energy source. This energy can be stored sunshine from millions of years ago in the form of fossil fuels, or of current supply such as biomass and solar thermal. Today, the heat energy used is more than 80% fossil (coal, gasand oil).
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- Heat is a form of energy. It flows from one object to another because of their difference in temperature. The cool object absorbs the energy and becomes warmer.
- HEAT ENERGY IS ALSO KNOW AS THERMAL ENERGY.
- Heat transfer is when heat energy flows from the object of higher temperature to an object with a lower temperature. It will never do the reverse.
- Heat energy can be transferred by the following methods: conduction, convection, and radiation.