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forms of energy
forms of energy words
21
Science
Not Applicable
02/13/2005

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Term
energy
Definition
the ability to cause changes in matter
Term
kinetic energy
Definition
the energy in motion or the energy in use
Term
potential energy
Definition
the energy an object has because of its place or its condion
Term
electric charge
Definition
the charge obtained by its gains or loses
Term
electric force
Definition
the attraction or repulsion of objects due to their charges
Term
electric current
Definition
the flow of electrons from negetively charged objects to positively charged objects
Term
conductor
Definition
a matrial that conducts electrons easily
Term
electric circuit
Definition
the path along which electri=ons can flow
Term
insulator
Definition
a material that does not carry electrons
Term
resister
Definition
a material that resists the flow of electrons some way
Term
electromagnet
Definition
a temporary magnet made by passing electric current through a wire coiled arround an iron bar
Term
reflection
Definition
the light energy that bounces off objects
Term
refraction
Definition
bending of light rays when the pass through a substance
Term
lens
Definition
a clear piece of material that bends,refracts,light rays passing through it.
Term
pitch
Definition
an element of sound determined by the speed which sound waves move
Term
volume
Definition
loudness of a sound
Term
temperature
Definition
the average kinetic energyof all the molecules in an object
Term
heat
Definition
the transfer of thermal energy from one substance to another
Term
conduction
Definition
the direct transfer of heat between objects that touch
Term
convection
Definition
the transfer of heat as a result of the mixing of a liquid or a gas
Term
radiation
Definition
the transfer of thermal energy by elcetromagnet waves
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