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Details Title: chap 2 Description: key terms Total Flash Cards: 20 Created: 04/19/2008 16:11:32	To study from this set of flash cards, or to create your own your own study flash cards, register HERE. If you are already a registered user, CLICK HERE.
Cards Term conversion factor Definition a factor used to convert between two separate units; a conversion factor is constructed from any two quantities known to be equivalent Term decimal part Definition one part of a number expressed in scientific notation Term density Definition 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 Term English system Definition a unit system commonly used in the U.S. Term exponent Definition a number that represents the number of times a term is multiplied by itself Term exponential part Definition one part of a number expressed in scientific notation; it represents the number of places the decimal point has moved Term international system (SI) Definition the standard set of units for science measurements, based on the metric system Term kilogram Definition the SI standard unit of mass Term Liter Definition a measurement of volume   1L= 1000mL 1L= 1.057 quarts 1U.S. gallon= 3.785L Term Mass Definition a measure of the quantity of matter within an object Term meter (m) Definition the SI standard unit of lenght Term Metric System Definition the unit system commonly used throughout most of the world Term prefix multipliers Definition prefixes used by the SI system with the standard units. the multipliers change the value of the unit by powers of 10 Term scientific notation Definition a system used to write very big or very small numbers Term second (s) Definition the SI unit of time Term SI units Definition 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 Term Significant figures Definition the non-place-holding digits in a reported measurement; they repersent the precision of a measured quantity Term solution map Definition it is a visual outline that shows the strategic route required to solve a problem Term units Definition previously agreed upon quantities used to report experimental measurements   units are vital in chemistry Term volume Definition a measure of space. any unit of lenght, when cubed, becomes a unit of volume