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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 ...

Thermal energy is generated and measured by heat of any kind. It is caused by the increased activity or velocity of molecules in a substance, which in turn causes temperature to rise accordingly.
There are many natural sources of thermal energy on Earth, making it an important component of alternative energy.



[edit]. According to Planck, there are three main conceptual approaches to ...

Heat - BrainPOP


In this educational animated movie about Science learn about temperature, energy, melting, Celsius, Fahrenheit, Kelvin, and thermodynamics.

In physical equations, the amount of heat transferred is usually denoted with the symbol Q. Note this crucial component to the above definition: This can be very confusing, because we're used to in day-to-day conversation talking about heat as if it's contained in somet... More »
By Andrew Zimmerman Jones, About.com Guide

Heat energy - definition of heat energy by The Free Dictionary

www.thefreedictionary.com/heat energy

heat energy. Also found in: Thesaurus, Encyclopedia, Wikipedia. Related to heat energy: electrical energy. ThesaurusAntonymsRelated ...

What is heat or thermal energy? - eSchooltoday


Thermal energy is what we call energy that comes from heat. Find out more about how heat energy is transferred in gasses, solids and liquids. These are called ...

heat energy - Dictionary Definition : Vocabulary.com

www.vocabulary.com/dictionary/heat energy

(physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs ...

heat | physics | Britannica.com


Sep 10, 2014 ... Heat, energy that is transferred from one body to another as the result of a difference in temperature. If two bodies at different temperatures are ...

What is Heat? - The Physics Classroom


in the form of heat. Just as in the case of the cooling coffee mug, energy is being transferred from the higher temperature objects to the lower temperature object.

Popular Q&A
Q: How to Conserve Heat Energy.
A: As winter approaches, many people, particularly the elderly and those living in poverty, fret about heating bills. In addition, increased fuel use is a waste of... Read More »
Source: www.ehow.com
Q: What Are the Sources of Heat Energy?
A: The capacity of a physical system to perform work is called energy. There are different types of energy, such as heat energy, mechanical energy, light energy, s... Read More »
Source: www.ehow.com
Q: How is heat energy transformed?
A: Heat transfer is a discipline of thermal engineering that concerns the generation, use, conversion, and exchange of thermal energy and heat between physical sys... Read More »
Source: wiki.answers.com
Q: What causes heat energy?
A: The fast moving electrons collide with the conductor's atoms which start to vibrate (heat). Read More »
Source: wiki.answers.com
Q: What is an example of heat energy.
A: An example of heat energy is when you rub your hands together and they get warm which is caused by friction. Read More »
Source: www.answers.com