Chapter 2 Vocab Flashcards
Physical characteristics
Qualitative Data
Any numbers
Quantitative Data
Quantity that can have more than one value
Variable
Separating of a thing or idea into its parts to find out their nature, proportion, function, or relationship
Analysis
Definitive unit in a system of measurement that is based on an objective or event
Base Unit
Unit defined by a combination of base units
Derived Unit
Amount of mass per unit volume; a physical property
Density
Expresses any number between one and ten multiplied by ten raised to a power
Scientific Notation
Systematic approach to problem solving that uses conversion factors to move from one unit to another
Dimensional Analysis
Ratio of equivalent values having different units
Conversion Factor
Refers to how close a measured value is to an accepted value
Accuracy
Refers to how close a series of measurements are to one another
Precision
Difference between an experimental value and an accepted value
Error
Ratio of an error to an accepted value
Percent Error
Number of all known digits reported in measurements plus one estimated digit
Significant Figure