Flashcards
AQA How Science Works Key Words
Cards in this deck (18)
- 1RepeatableIf the investigation is repeated by yourself, using the same method, and the same results are obtained, the data is….
- 2ResolutionThe smallest change in the quantity being measured (the smallest division on the measuring instrument) is the....
- 3ValidData collected in an investigation that is reliable and answers the original question is….
- 4ReproducibleIf the investigation is repeated by another person, or by using different equipment or techniques, and the same results are obtained, the data is….
- 5Independent variableThe variable that is changed or selected by the investigator is the…..
- 6Dependent variableThe variable that is measured for each change in the independent variable is the….
- 7Control variablesVariables that could affect the outcome of the investigation, so need to be kept constant are…
- 8Continuous variablesAny variable with numerical values that can be counted or measured are….
- 9Categoric variablesVariables that have values that are given as labels (words) are….
- 10RangeThe results recorded in an investigation can be summarised by referring to the maximum and minimum values; this is the…..
- 11IntervalThe quantity between readings is the.......
- 12True valueIf a measurement is achieved without any errors, the investigator has found the….
- 13PreciseIf measurements have very little spread around the mean value they are….
- 14AccurateMeasurements that are close to the true value are….
- 15AnomaliesValues in a set of results which do not fit the pattern of the other results - they are not included in any averages....
- 16Random errorsWhen measurements are spread around the true value in an unpredictable way, they are…
- 17Systematic errorsWhen readings differ from the true value by a consistent amount each time a measurement is made, they are….
- 18Zero errorsReadings obtained using a measuring instrument that gives a reading even when nothing is being measured are….
Information
- Description
- Key words to support pupils in their ISA CAUs
- Created by
- Peter Hoskins
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