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Heat energy is determined by how active the atoms or molecules are in a substance. The atoms and molecules in a hot substance move rapidly and seem excited while the molecules and atoms in a cool substance show less movement.


The uses of heat are nearly limitless, although examples include ovens, home heating systems, metalwork, and various kinds of engines. It should be noted that heat is not a kind of energy but rather the transfer of energy from one thing to another.


Examples of heat energy include electrical stoves, hairdryers, a just-sharpened pencil and sun rays. Heat, or thermal energy, is typically converted from mechanical, electrical or chemical energy.


Heat energy flows from one particle to another because heat is really just the accelerated movement of subatomic particles that bump against neighboring particles and cause them to move faster in a process known as conduction. Heat energy is really just kinetic energy i...


The thermal energy within an object is measured in joules. This unit is obtained from other basic units, such as mass, time and length. The unit was named in honor of Prescott Joule. A calorie is also a measure of heat.


The types of light energy available include visible light energy, infrared light energy, ultraviolet energy, electromagnetic energy and X-ray energy. The different types of energy are used by human beings in order to achieve certain objectives that make life much easier...


Some heat energy experiments for kids include "make a thermometer," "heat convection in liquids" and "energy from the sun," according to Energy Quest. Students can also learn about saving heat energy though experiences such as "Cool House," where kids study how shade tr...