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TEACHER BACKGROUND INFORMATION THERMAL …

TEACHER BACKGROUND INFORMATION THERMAL energy In general, when an object performs work on another object, it does not transfer all of its energy to that object. Some of the energy is lost as heat due to friction, but nonetheless energy was not created nor destroyed. Since frictional loss on the form of heat always occurs, it is important to understand the subject of heat in some detail. THERMAL energy , temperature and heat are all related, but they describe very different quantities. It is important to note right away, that temperature and heat are not the same thing. TEMPERATURE Temperature is a measure of how hot or how cold an object is compared to a reference point. On the Celsius scale, the reference point is the normal boiling and freezing points of water. One of the definitions of temperature is the following: Temperature is the average kinetic energy of molecular motion.

HEAT Heat is thermal energy being transferred from a warmer object to a cooler object. According to this definition, matter does not contain heat. Matter contains thermal energy. Heat is thermal energy in transit. After heat has been transferred to an object, it ceases to be heat and becomes thermal energy. The amount of heat transferred from ...

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