accurate, close to true value, precision of repeated results, measure of the consistency of repeated measurements, precision of 1 reading, ... is determined by the resolution of the equipment, error, difference between the measured result and true value, uncertainty, the range in which the true value can be considered to lie, systematic error, constant value which the results of an experiment are above/below the correct value, systematic error can be caused by ..., calibration, zero or parallax error, random error, chance difference between the observed and true values, causes a range of results, repeatable, same values obtained when same person does same experiment with same equipment, reproducible, same values/ trend obtained when different people do a different experiment with different equipment, valid, experiment carried out with sufficient method, controls etc

Secience experiments ks5 key terms

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