Independent Variable - The variable being changed - what we are investigating, Dependent Variable - The variable we measure - changes based on the independent variable, Control Variable - What we keep the same - there many in each experiment, Valid Test - A test which is both fair and repeatable, Fair Test - A test where the control variables have been kept the same throughout the experiment, Repeatability - Where repeat readings are close in value, Reproducibility - If another experimenter can get the same/similar results as you under the same conditions, Anomalous result - A result which is very different from the oter repeaets, Hazard - Something which could potentially cause harm, Risk - The harm which can be caused , Random error - Unpredictable differences, reduced by taking repeats , Systematic error - If a measurement is the same by the same amount each time e.g. zero error, Uncertainity - When we get slightly different results due to random error, Resolution - The smallest change an instrument can measure,

Working scientifically

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