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# scince unit 1

TermDefinition
mass the quantity of matter as determined from its weight or from Newton's second law of motion
volume the amount of space, measured in cubic units, that an object or substance occupies
temperature a measure of the warmth or coldness of an object or substance with reference to some standard value
density mass per unit volume
matter the substance or substances of which any physical object consists or is composed; something that occupies space; a particular kind of substance
gram a metric unit of mass or weight equal to 15.432 grains; one thousandth of a kilogram. Abbreviation: g
liter a unit of capacity redefined in 1964 by a reduction of 28 parts in a million to be exactly equal to one cubic decimeter. It is equivalent to 1.0567 U.S. liquid quarts and is equal to the volume of one kilogram of distilled water at 4°C. Abbreviation: l
meter The metric systems unit for length(equivalent to 39.4 in)
Relative Density Relative density, or specific gravity, is the ratio of the density (mass of a unit volume) of a substance to the density of a given reference material. Specific gravity usually means relative density with respect to water.
Metric system It is the form of measurement that most of the world uses, and it makes putting numbers into bigger or smaller forms easier.
Chemical property a property or characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed
Physical property A property or characteristic of a substance that can be changed without changing the identity or molecular structure of the substance.
Precipitate to separate (a substance) in solid form from a solution, as by means of a reagent
Combustion the act or process of burning
Created by: sbrickley

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