what is heat energy
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the energy which raises the temperature or have a thermodynamic effect is called heat energy
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Answer:
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.
Explanation:
Ways Of Transferring Heat Energy
- Convection transfers heat energy via air and liquids. The particles move apart and become less dense as air heats up and hence causes air to rise. While cooler air moves in from below and heats up.
- Radiation warms the air using heat waves that radiate out of the hot object in all directions until absorbed by other object. Heat transfer by radiation takes place at the speed of light and travels great distances.
- Conduction transfers heat through one object to another when in direct contact. The travelling molecules of a warm object can increase the energy of the molecules in a cooler object. Solids conduct heat better than gases and liquids since particles are close together.
Heat Energy Examples
An ice cube has some heat energy and also a glass of lemonade. If you put the ice in lemonade(warmer), the lemonade will transfer some of its heat energy to ice. Put differently, the ice melts and the water and lemonade will be of same temperature. This is nothing but reaching a state of equilibrium.
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