1、Investigation skills assessment (ISA)terms Look at the definition of the word that applies to an investigation skills assessment (ISA) then click on the white box next to the word to check your answer: Return to the questions then click on the large yellow box for the next definition. Need to be dow

2、nloaded to work on PowerPoint. This is the variable that we change (or choose) in our investigation. We plot it on the x-axis of a graph.Continuous variableSystematic errorCategoric variableReliableIndependent variableEvidenceValidControl variableDiscrete variableCalibrationZero errorDependent varia

3、bleRandom errorAccurateOrdered variableFair testPreciseDataCorrect answer Well done-click here to return to the questions This is the variable could affect our result but does not because we have kept it the same in all our experiments. Continuous variableSystematic errorCategoric variableReliableIn

4、dependent variableEvidenceValidControl variableDiscrete variableCalibrationZero errorDependent variableRandom errorAccurateOrdered variableFair testPreciseDataCorrect answer Well done-click here to return to the questions This is the variable that we measure each time we change the independent varia

5、ble. It is the result of our experiment. We plot it on the y-axis of a graph.Continuous variableSystematic errorCategoric variableReliableIndependent variableEvidenceValidControl variableDiscrete variableCalibrationZero errorDependent variableRandom errorAccurateOrdered variableFair testPreciseDataC

6、orrect answer Well done- click here to return to the questions. This is the variable that is one best described by a label (usually a word) example- eye colour is blue or brown.Continuous variableSystematic errorCategoric variableReliableIndependent variableEvidenceValidControl variableDiscrete vari

7、ableCalibrationZero errorDependent variableRandom errorAccurateOrdered variableFair testPreciseDataCorrect answer Well done- click here to return to the questions. These variables can only have whole numbers. Example - The number of leaves on a plant.Continuous variableSystematic errorCategoric vari

8、ableReliableIndependent variableEvidenceValidControl variableDiscrete variableCalibrationZero errorDependent variableRandom errorAccurateOrdered variableFair testPreciseDataCorrect answer Well done- click here to return to the questions. A variable which can be measured and can have any numerical va

9、lue. Example temperature 37.6C and 45.2CContinuous variableSystematic errorCategoric variableReliableIndependent variableEvidenceValidControl variableDiscrete variableCalibrationZero errorDependent variableRandom errorAccurateOrdered variableFair testPreciseDataCorrect answer Well done: click here t

10、o return to the questions. These variables can be ranked (put into order) e.g. large, medium or small. Continuous variableSystematic errorCategoric variableReliableIndependent variableEvidenceValidControl variableDiscrete variableCalibrationZero errorDependent variableRandom errorAccurateOrdered var

11、iableFair testPreciseDataCorrect answer Well done- click here to return to the questions. The word that indicates your results and the repeats are very close together. Continuous variableSystematic errorCategoric variableReliableIndependent variableEvidenceValidControl variableDiscrete variableCalib

12、rationZero errorDependent variableRandom errorAccurateOrdered variableFair testPreciseDataCorrect answer Well done The word for a marking or scale on a measuring instrumentContinuous variableSystematic errorCategoric variableReliableIndependent variableEvidenceValidControl variableDiscrete variableC

13、alibrationZero errorDependent variableRandom errorAccurateOrdered variableFair testPreciseDataCorrect answer Well done Word for data which has been checked so it can be judged whether reliable or not.Continuous variableSystematic errorCategoric variableReliableIndependent variableEvidenceValidContro

14、l variableDiscrete variableCalibrationZero errorDependent variableRandom errorAccurateOrdered variableFair testPreciseDataCorrect answer Well done Word for your measurements; the results of your experimentsContinuous variableSystematic errorCategoric variableReliableIndependent variableEvidenceValid

15、Control variableDiscrete variableCalibrationZero errorDependent variableRandom errorAccurateOrdered variableFair testPreciseDataCorrect answer Well done Error which affects all of your results. You cannot compensate for them by taking an average of lots of readings. Your results will be inaccurate a

16、nd will not be the same as the true value.Continuous variableSystematic errorCategoric variableReliableIndependent variableEvidenceValidControl variableDiscrete variableCalibrationZero errorDependent variableRandom errorAccurateOrdered variableFair testPreciseDataCorrect answer Well done Word for a

17、measurement is one in which the mean (average) of repeated readings is close to what we know is the true value.Continuous variableSystematic errorCategoric variableReliableIndependent variableEvidenceValidControl variableDiscrete variableCalibrationZero errorDependent variableRandom errorAccurateOrd

18、ered variableFair testPreciseDataCorrect answer Well done Your results can be described by this word if you are measuring the actual thing you want to measure AND your results are accurate.Continuous variableSystematic errorCategoric variableReliableIndependent variableEvidenceValidControl variableD

19、iscrete variableCalibrationZero errorDependent variableRandom errorAccurateOrdered variableFair testPreciseDataCorrect answer Well done Errors which causes your readings to be spread about the true value. We can compensate for these errors by taking a large number of readings and find the mean (aver

20、age) of them.Continuous variableSystematic errorCategoric variableReliableIndependent variableEvidenceValidControl variableDiscrete variableCalibrationZero errorDependent variableRandom errorAccurateOrdered variableFair testPreciseDataCorrect answer Well done Your results can be described using this

21、 word because other people get the same results as you. Continuous variableSystematic errorCategoric variableReliableIndependent variableEvidenceValidControl variableDiscrete variableCalibrationZero errorDependent variableRandom errorAccurateOrdered variableFair testPreciseDataCorrect answer Well done Describes a series of experiments in which all the