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### 13 Cards in this Set

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 Qualitative Measurements give results in descriptive, nonnumreical form Quantitative Measurements give results in a definite form, usually as numbers and units Scientific Notation a number written as the product of two numbers: a coefficient and 10 raised to a power Accurary a measure of how close a measurement comes to the actual or true value of whatever is measured Precision a measure of how close a series of measurement depends on more than one measurement Accepted value the correct value based on reliable references Experiment Value the value measured in the lab Error the difference between the accepted value and th experimental value Percent Error the absolute value of the error divided by the accepted value, multiplied by 100% Significant Digits the result of a mathematical operation can never be more precise measurement International System of Units (SI) revised version of metric system Weight a force that measures the pull on a given mass by gravity Density the ratio of the mass of an object to its volume (d=m/v)