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Chapter 18: Solids Vocabulary
Solids
9
Physics
11th Grade
07/20/2012

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Term
crystal
Definition
A regular geometric shape found in a solid in which the component particles are arranged in an orderly, three-dimensional, repeating pattern.
Term
density
Definition
A property of a substance, equal to its mass per volume
Term
weight density
Definition
The weight of a substance divided by its volume.
Term
specific gravity
Definition
The ratio of the mass (or weight) of a substance to the mass (or weight) of an equal volume of water.
Term
elastic
Definition
Term applied to a material that returns to its original shape after it has been stretched or compressed.
Term
inelastic
Definition
Term applied to a material that does not return to its original shape after it has been stretched or compressed. (Also called plastic.)
Term
Hooke's law
Definition
The distance of stretch or squeeze (extension or compression) of an elastic material is directly proportional to the applied force.
Term
elastic limit
Definition
The distance of stretching or compressing beyond which an elastic material will not return to its original shape.
Term
scaling
Definition
The study of how size affects the relationship among weight, strength, and surface area.
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