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Physical Science Chap 9

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febetaya's version from 2016-02-01 22:47

Section

Question Answer
absolute zeroThe lowest temperature theoretically possible; the temperature at which all molecular motion ceases.
barometerA device for measuring atmospheric pressure.
barometric pressureThe local value of atmospheric pressure.
boiling pointThe temperature at which a substance enters a phase transition from liquid to gas (or vapor), or vice versa.
brittlenessA physical property that describes a substance's tendency to shatter.
chemical propertyA property that describes a chemical reactions a substance will or will not engage in. (Describes the chemical behavior of a substance.)
combustionA chemical reaction in which a substance combines with oxygen to produce heat and flame.
compressive strengthA physical property that describes the ability of a substance to withstand crushing forces.
corrosionThe destructive oxidation of a metal.
densityThe ratio of mass to volume for a substance; a physical property that describes the amount of mass in a given volume.
ductilityA physical property, typical of many metals, that indicates that a substance can be drawn into a wire by pulling the substance through a die (a metal block with a hole in it).
elasticityA physical property that describes a substance's ability to stretch without breaking or becoming permanently deformed.
electrical conductivityA physical property that describes the ability of a substance to conduct electricity. Metals typically have high electrical conductivity.
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