Energy - Research Article from World of Biology

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This encyclopedia article consists of approximately 4 pages of information about Energy.
This section contains 1,017 words
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Energy

Energy is a fundamental physical element, which can be defined simply as: the capacity of a body or system to accomplish "work." Work is defined as: the result of a force being applied over some distance. As such, work can be accomplished in various ways, as is illustrated by the following examples: (a) a baseball bat strikes a ball, causing it to fly though the air; (b) an engine transforms energy of gasoline into motion of a drive-shaft, allowing an automobile to be driven along a highway; (c) heat from a stove is absorbed by water in a kettle, causing it to boil, and (d) the pigment chlorophyll absorbs sunlight, converting its energy into a form that plants and algae can use to manufacture simple sugars through photosynthesis. In each of these cases of "work," energy has been transformed from one state to another, and a measurable outcome...

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This section contains 1,017 words
(approx. 4 pages at 300 words per page)
Buy the Energy Encyclopedia Article
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