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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