Science Word Cards 0.0 / 5 ? ScienceControlled Assessment VocabGCSEAQA Created by: retrovintageCreated on: 01-02-14 16:05 Hypothesis A proposal intended to explain certain facts. 1 of 27 Prediction A statement suggesting what may happen in the future. 2 of 27 Repeatable If you can repeat an experiment by yourself and get similar results or pattterns. 3 of 27 Data Information that has been collected, either qualitiative or quantitative. 4 of 27 Reproducible Repeated by another person or through a different technique/method to obtain similar results or patterns. 5 of 27 Resolution The smallest measurement that can be made using a piece of equipment. 6 of 27 Valid Suitability of the investigation for the question being asked. 7 of 27 Evidence Data that has shown to be valid. 8 of 27 Variables These are physical, chemical or biological quantities or characteristics. 9 of 27 Independent Variables The values are changed or selected by the investigator. 10 of 27 Dependent Variables The value is measured for each and every change in the independent variable. 11 of 27 Continuous Variables Variables that have can have values either by counting or by measurement. They have any numerous value. 12 of 27 Categoric Variables Have values that are labels. 13 of 27 Control Variables One which may, with the independent variable, affect the outcome of the investigation and so should be controlled or kept the same. 14 of 27 Range The maximum and minimum values of the independent and dependent variables. 15 of 27 Interval The quantity between readings. 16 of 27 True value The value that would be found in an ideal measurement with no mistakes. 17 of 27 Uncertainty The interval within which the true value can be expected to lie within a level of confidence or probability. 18 of 27 Fair Test An experiment in which only the independent variable has been allowed to affect the dependent variable. 19 of 27 Precise Measurements in which there is very little spread about the mean value. 20 of 27 Accurate A measurement is accurate if it is close to the true value. 21 of 27 Calibration When you mark a scale on a measuring instrument. 22 of 27 Measurement error The difference between a measured value and the true value. 23 of 27 Anomalies An inconsistent measurement. 24 of 27 Random error Causes readings to be spread about the true value in an unpredictable wayfrom one to the other. 25 of 27 Systematic error Causes measurements to be spread about the true value by a consistent amount each time. 26 of 27 Zero error A systematic error caused by equipment not being calibrated correctly and not returning to zero. 27 of 27
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