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Energy - definition of energy - Physics - About.com
Energy is the capacity of a physical system to perform work. Energy exists in several forms such as heat, kinetic or mechanical energy, light, potential energy,  ...
http://physics.about.com/od/glossary/g/energy.htm
Potential Energy - definition of potential energy - Physics - About.com
Potential energy, or stored energy, is the ability of a system to do work due to its position or internal structure. For example, gravitational potential energy is a ...
http://physics.about.com/od/glossary/g/potentialenergy.htm
Kinetic Energy - Definition of Physics Terms - About.com
Kinetic energy is the energy of motion, a concept which is used widely in physics to solve problems involving changes in motion.
http://physics.about.com/od/energyworkpower/f/KineticEnergy.htm
Energy Medicine - About Holistic Healing
Energy Medicine is a term used for holistic healing therapies that are focused on manipulating "life force" to bring about balance and wellness.
http://healing.about.com/od/energyhealing/tp/energy-medicine.htm
Heat Energy - definition of heat energy - Physics - About.com
Definition: Heat energy (or just heat) is a form of energy which transfers among particles in a substance (or system) by means of kinetic energy of those particle.
http://physics.about.com/od/glossary/g/heat.htm
Energy Density -- Why Some Foods are Fattening
Energy density is the amount of energy -- as represented by the number of calories -- in a specific weight of food. Energy-dense foods have a large number of ...
http://nutrition.about.com/od/gettingstarted/f/What-Is-Energy-Density.htm
Dark Energy (Definition) - Physics - About.com
Definition: Dark energy is a hypothetical form of energy that permeates space and exerts a negative pressure, which would have gravitational effects to account  ...
http://physics.about.com/od/glossary/g/darkenergy.htm
Discretionary Energy Definition
Are you familiar with the term, discretionary energy? It's the input you'd most like to see from your employees at work. Learn more about discretionary energy and  ...
http://humanresources.about.com/od/glossaryd/g/discretionary_energy.htm
How to Reduce Energy Costs and Energy Conservation Tips
Energy Conservation tips - Energy conversation can save you money. Ways to conserve energy dollars at home. Saving energy all year round. Energy saving ...
http://housewares.about.com/od/homeessentials/a/energysavetips.htm
What Is Energy? - Chemistry Definition - About.com
May 13, 2014 ... Energy may be defined as the ability to do work. It is a scalar physical quantity. Although energy is conserved, there are many different types of ...
http://chemistry.about.com/od/chemistryglossary/a/energydef.htm
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