Investigation skills assessment (ISA)terms

Look at the definition of the word that applies to an investigation skills assessment (ISA) then click on the number in 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.

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This is the variable that we change (or choose) in our investigation. We plot it on the x-axis of a graph.

Continuous variable

Systematic error

Categoric variable

Reliable

Independent variable

Evidence

Valid

Control variable

Discrete variable

Calibration

Zero error

Dependent variable

Random error

Accurate

Ordered variable Fair test

Precise Data

8

9

7 16

17

18

6

5 14

15

4 13

3 12

11

10

2

1

Correct 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 variable

Systematic error

Categoric variable

Reliable

Independent variable

Evidence

Valid

Control variable

Discrete variable

Calibration

Zero error

Dependent variable

Random error

Accurate

Ordered variable Fair test

Precise Data

8

9

7 16

17

18

6

5 14

15

4 13

3 12

11

10

2

1

Correct answer

Well done-click here to return to the questions

This is the variable that we measure each time we change the independent variable. It is the result of our experiment. We plot it on the y-axis of a graph.

Continuous variable

Systematic error

Categoric variable

Reliable

Independent variable

Evidence

Valid

Control variable

Discrete variable

Calibration

Zero error

Dependent variable

Random error

Accurate

Ordered variable Fair test

Precise Data

8

9

7 16

17

18

6

5 14

15

4 13

3 12

11

10

2

1

Correct 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 variable

Systematic error

Categoric variable

Reliable

Independent variable

Evidence

Valid

Control variable

Discrete variable

Calibration

Zero error

Dependent variable

Random error

Accurate

Ordered variable Fair test

Precise Data

8

9

7 16

17

18

6

5 14

15

4 13

3 12

11

10

2

1

Correct 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 variable

Systematic error

Categoric variable

Reliable

Independent variable

Evidence

Valid

Control variable

Discrete variable

Calibration

Zero error

Dependent variable

Random error

Accurate

Ordered variable Fair test

Precise Data

8

9

7 16

17

18

6

5 14

15

4 13

3 12

11

10

2

1

Correct answer

Well done- click here to return to the questions.

A variable which can be measured and can have any numerical value. Example temperature 37.6°C and 45.2°C

Continuous variable

Systematic error

Categoric variable

Reliable

Independent variable

Evidence

Valid

Control variable

Discrete variable

Calibration

Zero error

Dependent variable

Random error

Accurate

Ordered variable Fair test

Precise Data

8

9

7 16

17

18

6

5 14

15

4 13

3 12

11

10

2

1

Correct answer

Well done: click here to return to the questions.

These variables can be ranked (put into order) e.g. large, medium or small.

Continuous variable

Systematic error

Categoric variable

Reliable

Independent variable

Evidence

Valid

Control variable

Discrete variable

Calibration

Zero error

Dependent variable

Random error

Accurate

Ordered variable Fair test

Precise Data

8

9

7 16

17

18

6

5 14

15

4 13

3 12

11

10

2

1

Correct answer

Well done- click here to return to the questions.

The word that indicates your results and the repeats are very close together.

Continuous variable

Systematic error

Categoric variable

Reliable

Independent variable

Evidence

Valid

Control variable

Discrete variable

Calibration

Zero error

Dependent variable

Random error

Accurate

Ordered variable Fair test

Precise Data

8

9

7 16

17

18

6

5 14

15

4 13

3 12

11

10

2

1

Correct answer

Well done

The word for a marking or scale on a measuring instrument

Continuous variable

Systematic error

Categoric variable

Reliable

Independent variable

Evidence

Valid

Control variable

Discrete variable

Calibration

Zero error

Dependent variable

Random error

Accurate

Ordered variable Fair test

Precise Data

8

9

7 16

17

18

6

5 14

15

4 13

3 12

11

10

2

1

Correct answer

Well done

Word for data which has been checked so it can be judged whether reliable or not.

Continuous variable

Systematic error

Categoric variable

Reliable

Independent variable

Evidence

Valid

Control variable

Discrete variable

Calibration

Zero error

Dependent variable

Random error

Accurate

Ordered variable Fair test

Precise Data

8

9

7 16

17

18

6

5 14

15

4 13

3 12

11

10

2

1

Correct answer

Well done

Word for your measurements; the results of your experiments

Continuous variable

Systematic error

Categoric variable

Reliable

Independent variable

Evidence

Valid

Control variable

Discrete variable

Calibration

Zero error

Dependent variable

Random error

Accurate

Ordered variable Fair test

Precise Data

8

9

7 16

17

18

6

5 14

15

4 13

3 12

11

10

2

1

Correct 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 and will not be the same as the true value.

Continuous variable

Systematic error

Categoric variable

Reliable

Independent variable

Evidence

Valid

Control variable

Discrete variable

Calibration

Zero error

Dependent variable

Random error

Accurate

Ordered variable Fair test

Precise Data

8

9

7 16

17

18

6

5 14

15

4 13

3 12

11

10

2

1

Correct answer

Well done

Word for a measurement is one in which the mean (average) of repeated readings is close to what we know is the true value.

Continuous variable

Systematic error

Categoric variable

Reliable

Independent variable

Evidence

Valid

Control variable

Discrete variable

Calibration

Zero error

Dependent variable

Random error

Accurate

Ordered variable Fair test

Precise Data

8

9

7 16

17

18

6

5 14

15

4 13

3 12

11

10

2

1

Correct 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 variable

Systematic error

Categoric variable

Reliable

Independent variable

Evidence

Valid

Control variable

Discrete variable

Calibration

Zero error

Dependent variable

Random error

Accurate

Ordered variable Fair test

Precise Data

8

9

7 16

17

18

6

5 14

15

4 13

3 12

11

10

2

1

Correct 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 (average) of them.

Continuous variable

Systematic error

Categoric variable

Reliable

Independent variable

Evidence

Valid

Control variable

Discrete variable

Calibration

Zero error

Dependent variable

Random error

Accurate

Ordered variable Fair test

Precise Data

8

9

7 16

17

18

6

5 14

15

4 13

3 12

11

10

2

1

Correct answer

Well done

Your results can be described using this word because other people get the same results as you.

Continuous variable

Systematic error

Categoric variable

Reliable

Independent variable

Evidence

Valid

Control variable

Discrete variable

Calibration

Zero error

Dependent variable

Random error

Accurate

Ordered variable Fair test

Precise Data

8

9

7 16

17

18

6 5 14

15

4 13

3 12

11

10

2

1

Correct answer

Well done

Describes a series of experiments in which all the variables have been controlled except the variable that is being tested.

Continuous variable

Systematic error

Categoric variable

Reliable

Independent variable

Evidence

Valid

Control variable

Discrete variable

Calibration

Zero error

Dependent variable

Random error

Accurate

Ordered variable Fair test

Precise Data

8

9

7 16

17

18

6

5 14

15

4 13

3 12

11

10

2

1

Correct answer

Well done

Error caused by measuring instruments that have a false zero. It may affect all your results. It makes your results inaccurate.

Continuous variable

Systematic error

Categoric variable

Reliable

Independent variable

Evidence

Valid

Control variable

Discrete variable

Calibration

Zero error

Dependent variable

Random error

Accurate

Ordered variable Fair test

Precise Data

8

9

7 16

17

18

6

5 14

15

4 13

3 12

11

10

2

1

Correct answer

Well done – that is the end of the

quiz

Wrong answer

Click to return to the question