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11 Cards in this Set

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comparing something to a standard
measurement
international system of units
SI
objects of natural phoenomena of constant value, easy to preserve and reproduce, and practical size
standard of measurement
-used to change size of a base unit to suit our needs
prefix
how close a measurement of group of measurements is to the known (true) value
accurate
how close a group of measurements is to each other
precision
a method of determining the accuracy of a measurement or set of measurements
percet error
the mass of an object divided by its volume

m/v
density
problem solving method that treats units in calculations like algebraic factors
dimension analysis
the measurement of the energy of the particles in a sample of matter
temperature
a form of energy that is the sum of the kinetic energies of a sample of matter
heat