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the efficiency of a machine or, more generally, of any process in which some energy or work is put in and some combination of useful work or energy comes out. efficiency is the ratio of the desired output (work or energy) to the input |
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| first consumer organism in a given food chain |
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| animals that obtain their food by feeding only on plant-eating animals |
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| any of various compounds of carbon, hydrogen, and oxygen (as sugars, starches, cellulose), most of which are formed by green plants and most of which are formed by green plants and which constitute a major class of animal foods. |
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| a number that measures the quantity of matter. It is obtained on the Earth's surface by dividing the weight of a body by the acceleration due to gravity. |
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the ability to move matter around. That something which is neccessary to maintain life and a vibrant society. |
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the energy possessed by a moving object. Energy of motion. |
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stored energy. Energy that is due to the position or configuration of mass. |
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| the transfer of energy that involves a force acting through a distance. |
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| the energy of an object as represented by its movement, its position, or both. |
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| a form of kinetic energy that flows from one ody to another because of a temperature difference between them. The effects of heat energy result from the motion of molecules. |
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| the energy of electromagnetic waves including light. |
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| a special kind of kinetic energy. Electrical energy is the energy of electrical charges, usually electrons in motion. |
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| the energy that is stored in the chemical bonds that hold molecules together. |
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