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| a factor used to convert between two separate units; a conversion factor is constructed from any two quantities known to be equivalent |
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| one part of a number expressed in scientific notation |
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a fundamental property of materials that differs from one substance to another. the units od density are those of mass divided by volume, most commonly expressed in g/cm3, g/mL, or g/L |
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| a unit system commonly used in the U.S. |
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| a number that represents the number of times a term is multiplied by itself |
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| one part of a number expressed in scientific notation; it represents the number of places the decimal point has moved |
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| international system (SI) |
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| the standard set of units for science measurements, based on the metric system |
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| the SI standard unit of mass |
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a measurement of volume 1L= 1000mL 1L= 1.057 quarts 1U.S. gallon= 3.785L |
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| a measure of the quantity of matter within an object |
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| the SI standard unit of lenght |
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| the unit system commonly used throughout most of the world |
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prefixes used by the SI system with the standard units. the multipliers change the value of the unit by powers of 10 |
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| a system used to write very big or very small numbers |
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| the most convenient system of units for science measurements, based on the metric system. The se of standard units agreed on by scientists throughout the world |
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| the non-place-holding digits in a reported measurement; they repersent the precision of a measured quantity |
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| it is a visual outline that shows the strategic route required to solve a problem |
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previously agreed upon quantities used to report experimental measurements units are vital in chemistry |
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| a measure of space. any unit of lenght, when cubed, becomes a unit of volume |
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