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Matter & Energy Ch 3

Vocabulary from Ch. 3: Energy

QuestionAnswer
energy the ability to cause change
kinetic energy the energy of motion
potential energy stored energy that an object has due to its position or chemical composition
law of conservation of energy states that energy can neither be created nor destroyed
energy efficiency a measurement of usable energy after an energy conversion
solar cell made up of several layers of light-sensitive materials which convert sunlight directly into electrical energy
Created by: misskazantzis
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