an indication of how objectively true a measurement is
accuarcy
measurement method that uses an instrument's continuos scale
analog
a process of comparing a measuring scale to one known to be true
calibration
measurement method that is based on observations of discrete events
digital
an assumption or a prediction before an experiment
hypothesis
the organization of SI is built from seven base quantities
international system of units (SI)
the apparent shift in the position of an object as seen from different angles
paralax
the exactness or fineness of a measuring scale or an indication of how well readings between the divisions of a measuring scale can be estimated
precision
the number of digits that properly describe a measurement or calculation based on a measurement
significant figures
in general, it is one-half the smallest division of a measuring scale
uncertainty
describes a standard size for how much of a quantity is being measured
unit
system established in the early nineteenth century. derived from the measuring system assembled by England's Queen Elizabeth incorporates medieval form of measurements
USCS (US Customary System)
a process to ensure measurements are made from the starting point of a measurement scale